Air brakes beginner test 2

1. Air Brakes
Beginner Test 2

2. This Test is designed for NEW STUDENTS
1. For each question, select the best answer by clicking on it.
2. You may change selections if you wish.
3. When you are sure of your selection, click on
4. INCORRECT selections will show the correct answer.
5. Click to continue to the next question.
Okay
NEXT
Begin Test

3. CDL AIR BRAKES BEGINNER TEST 2
1. Modern air brake systems combine three different systems. They are the
service brakes, the parking brakes and the:
c. Emergency Brakes
a. S-Cam Brakes
b. Foot Brakes

4. CDL AIR BRAKES BEGINNER TEST 2
1. Modern air brake systems combine three different systems. They are the
service brakes, the parking brakes and the:
c. Emergency Brakes
a. S-Cam Brakes
b. Foot Brakes
Okay

5. CDL AIR BRAKES BEGINNER TEST 2
1. Modern air brake systems combine three different systems. They are the
service brakes, the parking brakes and the:
c. Emergency Brakes
a. S-Cam Brakes
INCORRECT
b. Foot Brakes
NEXT
Page 57, Left column

6. CDL AIR BRAKES BEGINNER TEST 2
1. Modern air brake systems combine three different systems. They are the
service brakes, the parking brakes and the:
c. Emergency Brakes
a. S-Cam Brakes
b. Foot Brakes
Okay

7. CDL AIR BRAKES BEGINNER TEST 2
1. Modern air brake systems combine three different systems. They are the
service brakes, the parking brakes and the:
c. Emergency Brakes
a. S-Cam Brakes
b. Foot Brakes
INCORRECT
NEXT
Page 57, left column

8. CDL AIR BRAKES BEGINNER TEST 2
1. Modern air brake systems combine three different systems. They are the
service brakes, the parking brakes and the:
c. Emergency Brakes
a. S-Cam Brakes
b. Foot Brakes
Okay

9. CDL AIR BRAKES BEGINNER TEST 2
1. Modern air brake systems combine three different systems. They are the
service brakes, the parking brakes and the:
c. Emergency Brakes
CORRECT
a. S-Cam Brakes
b. Foot Brakes
NEXT

10. CDL AIR BRAKES BEGINNER TEST 2
2. Oil and water usually collect in compressed air tanks. If you do not have
an automatic tank drain, when should you drain the air tanks?
c. After every working day
a. Whenever the air reservoir
becomes full
b. After every 3 hours or 150
miles, whichever comes first

11. CDL AIR BRAKES BEGINNER TEST 2
2. Oil and water usually collect in compressed air tanks. If you do not have
an automatic tank drain, when should you drain the air tanks?
c. After every working day
a. Whenever the air reservoir
becomes full
b. After every 3 hours or 150
miles, whichever comes first
Okay

12. CDL AIR BRAKES BEGINNER TEST 2
2. Oil and water usually collect in compressed air tanks. If you do not have
an automatic tank drain, when should you drain the air tanks?
c. After every working day
a. Whenever the air reservoir
becomes full
INCORRECT
b. After every 3 hours or 150
miles, whichever comes first
Page 57, right column
NEXT

13. CDL AIR BRAKES BEGINNER TEST 2
2. Oil and water usually collect in compressed air tanks. If you do not have
an automatic tank drain, when should you drain the air tanks?
c. After every working day
a. Whenever the air reservoir
becomes full
b. After every 3 hours or 150
miles, whichever comes first
Okay

14. CDL AIR BRAKES BEGINNER TEST 2
2. Oil and water usually collect in compressed air tanks. If you do not have
an automatic tank drain, when should you drain the air tanks?
c. After every working day
a. Whenever the air reservoir
becomes full
b. After every 3 hours or 150
miles, whichever comes first
INCORRECT
Page 57, right column
NEXT

15. CDL AIR BRAKES BEGINNER TEST 2
2. Oil and water usually collect in compressed air tanks. If you do not have
an automatic tank drain, when should you drain the air tanks?
c. After every working day
a. Whenever the air reservoir
becomes full
b. After every 3 hours or 150
miles, whichever comes first
Okay

16. CDL AIR BRAKES BEGINNER TEST 2
2. Oil and water usually collect in compressed air tanks. If you do not have
an automatic tank drain, when should you drain the air tanks?
c. After every working day
CORRECT
a. Whenever the air reservoir
becomes full
b. After every 3 hours or 150
miles, whichever comes first
NEXT

17. CDL AIR BRAKES BEGINNER TEST 2
3. Why drain water from the compressed air tanks?
c. The low boiling point of water
reduces braking power
a. Water can freeze in cold
weather and cause brake failure
b. To keep from fouling the air
compressor oil

18. CDL AIR BRAKES BEGINNER TEST 2
3. Why drain water from the compressed air tanks?
c. The low boiling point of water
reduces braking power
a. Water can freeze in cold
weather and cause brake failure
b. To keep from fouling the air
compressor oil
Okay

19. CDL AIR BRAKES BEGINNER TEST 2
3. Why drain water from the compressed air tanks?
c. The low boiling point of water
reduces braking power
a. Water can freeze in cold
weather and cause brake failure
CORRECT
b. To keep from fouling the air
compressor oil
NEXT

20. CDL AIR BRAKES BEGINNER TEST 2
3. Why drain water from the compressed air tanks?
c. The low boiling point of water
reduces braking power
a. Water can freeze in cold
weather and cause brake failure
b. To keep from fouling the air
compressor oil
Okay

21. CDL AIR BRAKES BEGINNER TEST 2
3. Why drain water from the compressed air tanks?
c. The low boiling point of water
reduces braking power
a. Water can freeze in cold
weather and cause brake failure
b. To keep from fouling the air
compressor oil
INCORRECT
NEXT
Page 57, right column

22. CDL AIR BRAKES BEGINNER TEST 2
3. Why drain water from the compressed air tanks?
c. The low boiling point of water
reduces braking power
a. Water can freeze in cold
weather and cause brake failure
b. To keep from fouling the air
compressor oil
Okay

23. CDL AIR BRAKES BEGINNER TEST 2
3. Why drain water from the compressed air tanks?
c. The low boiling point of water
reduces braking power
INCORRECT
a. Water can freeze in cold
weather and cause brake failure
b. To keep from fouling the air
compressor oil
NEXT
Page 57, right column

24. CDL AIR BRAKES BEGINNER TEST 2
4. Air brake equipped vehicles must have:
c. A backup hydraulic system
a. A supply pressure gauge
b. An air use gauge

25. CDL AIR BRAKES BEGINNER TEST 2
4. Air brake equipped vehicles must have:
c. A backup hydraulic system
a. A supply pressure gauge
b. An air use gauge
Okay

26. CDL AIR BRAKES BEGINNER TEST 2
4. Air brake equipped vehicles must have:
c. A backup hydraulic system
a. A supply pressure gauge
CORRECT
b. An air use gauge
NEXT

27. CDL AIR BRAKES BEGINNER TEST 2
4. Air brake equipped vehicles must have:
c. A backup hydraulic system
a. A supply pressure gauge
b. An air use gauge
Okay

28. CDL AIR BRAKES BEGINNER TEST 2
4. Air brake equipped vehicles must have:
c. A backup hydraulic system
a. A supply pressure gauge
b. An air use gauge
INCORRECT
Page 58, Right column
NEXT

29. CDL AIR BRAKES BEGINNER TEST 2
4. Air brake equipped vehicles must have:
c. A backup hydraulic system
a. A supply pressure gauge
b. An air use gauge
Okay

30. CDL AIR BRAKES BEGINNER TEST 2
4. Air brake equipped vehicles must have:
c. A backup hydraulic system
INCORRECT
a. A supply pressure gauge
b. An air use gauge Page 58, Right column
NEXT

31. CDL AIR BRAKES BEGINNER TEST 2
5. What can legally hold a parking or emergency brake in position for a
truck, truck tractor, or bus?
c. Fluid pressure
b. Air pressure
a. Spring pressure

32. CDL AIR BRAKES BEGINNER TEST 2
5. What can legally hold a parking or emergency brake in position for a
truck, truck tractor, or bus?
c. Fluid pressure
b. Air pressure
a. Spring pressure
Okay

33. CDL AIR BRAKES BEGINNER TEST 2
5. What can legally hold a parking or emergency brake in position for a
truck, truck tractor, or bus?
c. Fluid pressure
b. Air pressure
a. Spring pressure
CORRECT
NEXT

34. CDL AIR BRAKES BEGINNER TEST 2
5. What can legally hold a parking or emergency brake in position for a
truck, truck tractor, or bus?
c. Fluid pressure
b. Air pressure
a. Spring pressure
Okay

35. CDL AIR BRAKES BEGINNER TEST 2
5. What can legally hold a parking or emergency brake in position for a
truck, truck tractor, or bus?
c. Fluid pressure
b. Air pressure
INCORRECT
a. Spring pressure
Page 59, Left column
NEXT

36. CDL AIR BRAKES BEGINNER TEST 2
5. What can legally hold a parking or emergency brake in position for a
truck, truck tractor, or bus?
c. Fluid pressure
b. Air pressure
a. Spring pressure
Okay

37. CDL AIR BRAKES BEGINNER TEST 2
5. What can legally hold a parking or emergency brake in position for a
truck, truck tractor, or bus?
c. Fluid pressure
INCORRECT
b. Air pressure
a. Spring pressure
Page 59, Left column
NEXT

38. CDL AIR BRAKES BEGINNER TEST 2
6. Air loss in a straight truck or bus should not be more than _____ with the
engine off and brakes on.
c. 3 psi in one minute
b. 4 psi in one minute
a. 2 psi in one minute

39. CDL AIR BRAKES BEGINNER TEST 2
6. Air loss in a straight truck or bus should not be more than _____ with the
engine off and brakes on.
c. 3 psi in one minute
b. 4 psi in one minute
a. 2 psi in one minute
Okay

40. CDL AIR BRAKES BEGINNER TEST 2
6. Air loss in a straight truck or bus should not be more than _____ with the
engine off and brakes on.
c. 3 psi in one minute
b. 4 psi in one minute
a. 2 psi in one minute
INCORRECT
Page 62, Right column
NEXT

41. CDL AIR BRAKES BEGINNER TEST 2
6. Air loss in a straight truck or bus should not be more than _____ with the
engine off and brakes on.
c. 3 psi in one minute
b. 4 psi in one minute
a. 2 psi in one minute
Okay

42. CDL AIR BRAKES BEGINNER TEST 2
6. Air loss in a straight truck or bus should not be more than _____ with the
engine off and brakes on.
c. 3 psi in one minute
b. 4 psi in one minute
INCORRECT
a. 2 psi in one minute
Page 62, Right column
NEXT

43. CDL AIR BRAKES BEGINNER TEST 2
6. Air loss in a straight truck or bus should not be more than _____ with the
engine off and brakes on.
c. 3 psi in one minute
b. 4 psi in one minute
a. 2 psi in one minute
Okay

44. CDL AIR BRAKES BEGINNER TEST 2
6. Air loss in a straight truck or bus should not be more than _____ with the
engine off and brakes on.
c. 3 psi in one minute
CORRECT
b. 4 psi in one minute
a. 2 psi in one minute
NEXT

45. CDL AIR BRAKES BEGINNER TEST 2
7. To make an emergency stop with air brakes, using the stab braking
method, you should:
c. Brake as hard as you can, get
off the brakes when the wheels
lock, get back on the brakes
when the wheels start rolling
again
b. Brake as hard as you can
without locking up the wheels
a. Pump the brake pedal rapidly &
lightly

46. CDL AIR BRAKES BEGINNER TEST 2
7. To make an emergency stop with air brakes, using the stab braking
method, you should:
c. Brake as hard as you can, get
off the brakes when the wheels
lock, get back on the brakes
when the wheels start rolling
again
b. Brake as hard as you can
without locking up the wheels
a. Pump the brake pedal rapidly &
lightly
Okay

47. CDL AIR BRAKES BEGINNER TEST 2
7. To make an emergency stop with air brakes, using the stab braking
method, you should:
c. Brake as hard as you can, get
off the brakes when the wheels
lock, get back on the brakes
when the wheels start rolling
again
b. Brake as hard as you can
without locking up the wheels
a. Pump the brake pedal rapidly &
lightly
INCORRECT
NEXT
Page 63, Right column

48. CDL AIR BRAKES BEGINNER TEST 2
7. To make an emergency stop with air brakes, using the stab braking
method, you should:
c. Brake as hard as you can, get
off the brakes when the wheels
lock, get back on the brakes
when the wheels start rolling
again
b. Brake as hard as you can
without locking up the wheels
a. Pump the brake pedal rapidly &
lightly
Okay

49. CDL AIR BRAKES BEGINNER TEST 2
7. To make an emergency stop with air brakes, using the stab braking
method, you should:
c. Brake as hard as you can, get
off the brakes when the wheels
lock, get back on the brakes
when the wheels start rolling
again
b. Brake as hard as you can
without locking up the wheels
INCORRECT
a. Pump the brake pedal rapidly &
lightly
NEXT
Page 63, Right column

50. CDL AIR BRAKES BEGINNER TEST 2
7. To make an emergency stop with air brakes, using the stab braking
method, you should:
c. Brake as hard as you can, get
off the brakes when the wheels
lock, get back on the brakes
when the wheels start rolling
again
b. Brake as hard as you can
without locking up the wheels
a. Pump the brake pedal rapidly &
lightly
Okay

51. CDL AIR BRAKES BEGINNER TEST 2
7. To make an emergency stop with air brakes, using the stab braking
method, you should:
c. Brake as hard as you can, get
off the brakes when the wheels
lock, get back on the brakes
when the wheels start rolling
again
CORRECT
b. Brake as hard as you can
without locking up the wheels
a. Pump the brake pedal rapidly &
lightly
NEXT

52. CDL AIR BRAKES BEGINNER TEST 2
8. The driver must be able to see a warning before air pressure in the service
air tanks falls below _____ psi.
c. 100
b. 75
a. 60

53. CDL AIR BRAKES BEGINNER TEST 2
8. The driver must be able to see a warning before air pressure in the service
air tanks falls below _____ psi.
c. 100
b. 75
a. 60
Okay

54. CDL AIR BRAKES BEGINNER TEST 2
8. The driver must be able to see a warning before air pressure in the service
air tanks falls below _____ psi.
c. 100
b. 75
a. 60
CORRECT
NEXT

55. CDL AIR BRAKES BEGINNER TEST 2
8. The driver must be able to see a warning before air pressure in the service
air tanks falls below _____ psi.
c. 100
b. 75
a. 60
Okay

56. CDL AIR BRAKES BEGINNER TEST 2
8. The driver must be able to see a warning before air pressure in the service
air tanks falls below _____ psi.
c. 100
b. 75
INCORRECT
a. 60
NEXT
Page 62, Left column

57. CDL AIR BRAKES BEGINNER TEST 2
8. The driver must be able to see a warning before air pressure in the service
air tanks falls below _____ psi.
c. 100
b. 75
a. 60
Okay

58. CDL AIR BRAKES BEGINNER TEST 2
8. The driver must be able to see a warning before air pressure in the service
air tanks falls below _____ psi.
c. 100
INCORRECT
b. 75
a. 60
NEXT
Page 62, Left column

59. CDL AIR BRAKES BEGINNER TEST 2
9. To check the free play of manual slack adjusters on S-Cam brakes, you
should:
c. Park on level ground and drain
off air pressure before adjusting
b. Stop on level ground and apply
the parking brakes
a. Park on level ground, chock
the wheels and release the
parking brake

60. CDL AIR BRAKES BEGINNER TEST 2
9. To check the free play of manual slack adjusters on S-Cam brakes, you
should:
c. Park on level ground and drain
off air pressure before adjusting
b. Stop on level ground and apply
the parking brakes
a. Park on level ground, chock
the wheels and release the
parking brake
Okay

61. CDL AIR BRAKES BEGINNER TEST 2
9. To check the free play of manual slack adjusters on S-Cam brakes, you
should:
c. Park on level ground and drain
off air pressure before adjusting
b. Stop on level ground and apply
the parking brakes
a. Park on level ground, chock
the wheels and release the
parking brake
CORRECT
NEXT

62. CDL AIR BRAKES BEGINNER TEST 2
9. To check the free play of manual slack adjusters on S-Cam brakes, you
should:
c. Park on level ground and drain
off air pressure before adjusting
b. Stop on level ground and apply
the parking brakes
a. Park on level ground, chock
the wheels and release the
parking brake
Okay

63. CDL AIR BRAKES BEGINNER TEST 2
9. To check the free play of manual slack adjusters on S-Cam brakes, you
should:
c. Park on level ground and drain
off air pressure before adjusting
b. Stop on level ground and apply
the parking brakes
INCORRECT
a. Park on level ground, chock
the wheels and release the
parking brake
NEXT
Page 61, Right column

64. CDL AIR BRAKES BEGINNER TEST 2
9. To check the free play of manual slack adjusters on S-Cam brakes, you
should:
c. Park on level ground and drain
off air pressure before adjusting
b. Stop on level ground and apply
the parking brakes
a. Park on level ground, chock
the wheels and release the
parking brake
Okay

65. CDL AIR BRAKES BEGINNER TEST 2
9. To check the free play of manual slack adjusters on S-Cam brakes, you
should:
c. Park on level ground and drain
off air pressure before adjusting
INCORRECT
b. Stop on level ground and apply
the parking brakes
a. Park on level ground, chock
the wheels and release the
parking brake
NEXT
Page 61, Right column

66. CDL AIR BRAKES BEGINNER TEST 2
10. The brake pedal in an air brake system:
c. Is connected to slack adjusters
by a series of rods and linkages
b. Controls the air pressure
applied to put on the brakes
a. Controls the speed of the air
compressor

67. CDL AIR BRAKES BEGINNER TEST 2
10. The brake pedal in an air brake system:
c. Is connected to slack adjusters
by a series of rods and linkages
b. Controls the air pressure
applied to put on the brakes
a. Controls the speed of the air
compressor
Okay

68. CDL AIR BRAKES BEGINNER TEST 2
10. The brake pedal in an air brake system:
c. Is connected to slack adjusters
by a series of rods and linkages
b. Controls the air pressure
applied to put on the brakes
a. Controls the speed of the air
compressor
INCORRECT
NEXT
Page 57, right column

69. CDL AIR BRAKES BEGINNER TEST 2
10. The brake pedal in an air brake system:
c. Is connected to slack adjusters
by a series of rods and linkages
b. Controls the air pressure
applied to put on the brakes
a. Controls the speed of the air
compressor
Okay

70. CDL AIR BRAKES BEGINNER TEST 2
10. The brake pedal in an air brake system:
c. Is connected to slack adjusters
by a series of rods and linkages
b. Controls the air pressure
applied to put on the brakes
CORRECT
a. Controls the speed of the air
compressor
NEXT

71. CDL AIR BRAKES BEGINNER TEST 2
10. The brake pedal in an air brake system:
c. Is connected to slack adjusters
by a series of rods and linkages
b. Controls the air pressure
applied to put on the brakes
a. Controls the speed of the air
compressor
Okay

72. CDL AIR BRAKES BEGINNER TEST 2
10. The brake pedal in an air brake system:
c. Is connected to slack adjusters
by a series of rods and linkages
INCORRECT
b. Controls the air pressure
applied to put on the brakes
a. Controls the speed of the air
compressor
Page 57, right column
NEXT

73. CDL AIR BRAKES BEGINNER TEST 2
11. When driving down a long, steep hill, you should:
c. Use controlled braking
b. Apply the brakes just hard
enough to feel a definite
slowdown
a. Use stab braking

74. CDL AIR BRAKES BEGINNER TEST 2
11. When driving down a long, steep hill, you should:
c. Use controlled braking
b. Apply the brakes just hard
enough to feel a definite
slowdown
a. Use stab braking
Okay

75. CDL AIR BRAKES BEGINNER TEST 2
11. When driving down a long, steep hill, you should:
c. Use controlled braking
b. Apply the brakes just hard
enough to feel a definite
slowdown
a. Use stab braking
INCORRECT
NEXT
Page 64, Right column

76. CDL AIR BRAKES BEGINNER TEST 2
11. When driving down a long, steep hill, you should:
c. Use controlled braking
b. Apply the brakes just hard
enough to feel a definite
slowdown
a. Use stab braking
Okay

77. CDL AIR BRAKES BEGINNER TEST 2
11. When driving down a long, steep hill, you should:
c. Use controlled braking
b. Apply the brakes just hard
enough to feel a definite
slowdown
CORRECT
a. Use stab braking
NEXT

78. CDL AIR BRAKES BEGINNER TEST 2
11. When driving down a long, steep hill, you should:
c. Use controlled braking
b. Apply the brakes just hard
enough to feel a definite
slowdown
a. Use stab braking
Okay

79. CDL AIR BRAKES BEGINNER TEST 2
11. When driving down a long, steep hill, you should:
c. Use controlled braking
INCORRECT
b. Apply the brakes just hard
enough to feel a definite
slowdown
a. Use stab braking
NEXT
Page 64, Right column

80. CDL AIR BRAKES BEGINNER TEST 2
12. The brake system that applies and releases the brakes when the driver
uses the brake pedal is the:
c. Service brake system
b. Parking brake system
a. Emergency brake system

81. CDL AIR BRAKES BEGINNER TEST 2
12. The brake system that applies and releases the brakes when the driver
uses the brake pedal is the:
c. Service brake system
b. Parking brake system
a. Emergency brake system
Okay

82. CDL AIR BRAKES BEGINNER TEST 2
12. The brake system that applies and releases the brakes when the driver
uses the brake pedal is the:
c. Service brake system
b. Parking brake system
a. Emergency brake system
INCORRECT
NEXT
Page 57, left column

83. CDL AIR BRAKES BEGINNER TEST 2
12. The brake system that applies and releases the brakes when the driver
uses the brake pedal is the:
c. Service brake system
b. Parking brake system
a. Emergency brake system
Okay

84. CDL AIR BRAKES BEGINNER TEST 2
12. The brake system that applies and releases the brakes when the driver
uses the brake pedal is the:
c. Service brake system
b. Parking brake system
INCORRECT
a. Emergency brake system
NEXT
Page 57, left column

85. CDL AIR BRAKES BEGINNER TEST 2
12. The brake system that applies and releases the brakes when the driver
uses the brake pedal is the:
c. Service brake system
b. Parking brake system
a. Emergency brake system
Okay

86. CDL AIR BRAKES BEGINNER TEST 2
12. The brake system that applies and releases the brakes when the driver
uses the brake pedal is the:
c. Service brake system
CORRECT
b. Parking brake system
a. Emergency brake system
NEXT

87. CDL AIR BRAKES BEGINNER TEST 2
13. The most common type of foundation brakes found on heavy vehicles is
the:
c. Wedge drum
b. Disc
a. S-Cam drum

88. CDL AIR BRAKES BEGINNER TEST 2
13. The most common type of foundation brakes found on heavy vehicles is
the:
c. Wedge drum
b. Disc
a. S-Cam drum
Okay

89. CDL AIR BRAKES BEGINNER TEST 2
13. The most common type of foundation brakes found on heavy vehicles is
the:
c. Wedge drum
b. Disc
a. S-Cam drum
CORRECT
NEXT

90. CDL AIR BRAKES BEGINNER TEST 2
13. The most common type of foundation brakes found on heavy vehicles is
the:
c. Wedge drum
b. Disc
a. S-Cam drum
Okay

91. CDL AIR BRAKES BEGINNER TEST 2
13. The most common type of foundation brakes found on heavy vehicles is
the:
c. Wedge drum
b. Disc
INCORRECT
a. S-Cam drum
NEXT
Page 58, Left column

92. CDL AIR BRAKES BEGINNER TEST 2
13. The most common type of foundation brakes found on heavy vehicles is
the:
c. Wedge drum
b. Disc
a. S-Cam drum
Okay

93. CDL AIR BRAKES BEGINNER TEST 2
13. The most common type of foundation brakes found on heavy vehicles is
the:
c. Wedge drum
INCORRECT
b. Disc
a. S-Cam drum
NEXT
Page 58, Left column

94. CDL AIR BRAKES BEGINNER TEST 2
14. Vehicles with air brakes must have:
c. Both a. and b.
b. An air pressure supply gauge
a. A low air warning device

95. CDL AIR BRAKES BEGINNER TEST 2
14. Vehicles with air brakes must have:
c. Both a. and b.
b. An air pressure supply gauge
a. A low air warning device
Okay

96. CDL AIR BRAKES BEGINNER TEST 2
14. Vehicles with air brakes must have:
c. Both a. and b.
b. An air pressure supply gauge
a. A low air warning device
INCORRECT
NEXT
Page 58, Right column

97. CDL AIR BRAKES BEGINNER TEST 2
14. Vehicles with air brakes must have:
c. Both a. and b.
b. An air pressure supply gauge
a. A low air warning device
Okay

98. CDL AIR BRAKES BEGINNER TEST 2
14. Vehicles with air brakes must have:
c. Both a. and b.
b. An air pressure supply gauge
INCORRECT
a. A low air warning device
NEXT
Page 58, Right column

99. CDL AIR BRAKES BEGINNER TEST 2
14. Vehicles with air brakes must have:
c. Both a. and b.
b. An air pressure supply gauge
a. A low air warning device
Okay

100. CDL AIR BRAKES BEGINNER TEST 2
14. Vehicles with air brakes must have:
c. Both a. and b.
CORRECT
b. An air pressure supply gauge
a. A low air warning device
NEXT

101. CDL AIR BRAKES BEGINNER TEST 2
15. The driver must be able to see a warning that is given before air pressure
in service air tanks falls below:
c. 85 psi
b. 60 psi
a. 45 psi

102. CDL AIR BRAKES BEGINNER TEST 2
15. The driver must be able to see a warning that is given before air pressure
in service air tanks falls below:
c. 85 psi
b. 60 psi
a. 45 psi
Okay

103. CDL AIR BRAKES BEGINNER TEST 2
15. The driver must be able to see a warning that is given before air pressure
in service air tanks falls below:
c. 85 psi
b. 60 psi
a. 45 psi
INCORRECT
NEXT
Page 58, Right column

104. CDL AIR BRAKES BEGINNER TEST 2
15. The driver must be able to see a warning that is given before air pressure
in service air tanks falls below:
c. 85 psi
b. 60 psi
a. 45 psi
Okay

105. CDL AIR BRAKES BEGINNER TEST 2
15. The driver must be able to see a warning that is given before air pressure
in service air tanks falls below:
c. 85 psi
b. 60 psi
CORRECT
a. 45 psi
NEXT

106. CDL AIR BRAKES BEGINNER TEST 2
15. The driver must be able to see a warning that is given before air pressure
in service air tanks falls below:
c. 85 psi
b. 60 psi
a. 45 psi
Okay

107. CDL AIR BRAKES BEGINNER TEST 2
15. The driver must be able to see a warning that is given before air pressure
in service air tanks falls below:
c. 85 psi
INCORRECT
b. 60 psi
a. 45 psi
Page 58, Right column
NEXT

108. CDL AIR BRAKES BEGINNER TEST 2
16. Which of the following makes the total stopping distance for air brakes
longer than that for hydraulic brakes?
c. Effective braking distance
b. Brake lag distance
a. Perception distance

109. CDL AIR BRAKES BEGINNER TEST 2
16. Which of the following makes the total stopping distance for air brakes
longer than that for hydraulic brakes?
c. Effective braking distance
b. Brake lag distance
a. Perception distance
Okay

110. CDL AIR BRAKES BEGINNER TEST 2
16. Which of the following makes the total stopping distance for air brakes
longer than that for hydraulic brakes?
c. Effective braking distance
b. Brake lag distance
a. Perception distance
INCORRECT
NEXT
Page 63, right column

111. CDL AIR BRAKES BEGINNER TEST 2
16. Which of the following makes the total stopping distance for air brakes
longer than that for hydraulic brakes?
c. Effective braking distance
b. Brake lag distance
a. Perception distance
Okay

112. CDL AIR BRAKES BEGINNER TEST 2
16. Which of the following makes the total stopping distance for air brakes
longer than that for hydraulic brakes?
c. Effective braking distance
b. Brake lag distance
CORRECT
a. Perception distance
NEXT

113. CDL AIR BRAKES BEGINNER TEST 2
16. Which of the following makes the total stopping distance for air brakes
longer than that for hydraulic brakes?
c. Effective braking distance
b. Brake lag distance
a. Perception distance
Okay

114. CDL AIR BRAKES BEGINNER TEST 2
16. Which of the following makes the total stopping distance for air brakes
longer than that for hydraulic brakes?
c. Effective braking distance
INCORRECT
b. Brake lag distance
a. Perception distance
Page 63, right column
NEXT

115. CDL AIR BRAKES BEGINNER TEST 2
17. What is the first thing to do when a low air pressure warning comes on?
c. Stop and safely park as soon as
possible
b. Push in the tractor protection
valve
a. Pull out the tractor protection
valve

116. CDL AIR BRAKES BEGINNER TEST 2
17. What is the first thing to do when a low air pressure warning comes on?
c. Stop and safely park as soon as
possible
b. Push in the tractor protection
valve
a. Pull out the tractor protection
valve
Okay

117. CDL AIR BRAKES BEGINNER TEST 2
17. What is the first thing to do when a low air pressure warning comes on?
c. Stop and safely park as soon as
possible
b. Push in the tractor protection
valve
a. Pull out the tractor protection
valve
INCORRECT
NEXT
Page 64, Right column

118. CDL AIR BRAKES BEGINNER TEST 2
17. What is the first thing to do when a low air pressure warning comes on?
c. Stop and safely park as soon as
possible
b. Push in the tractor protection
valve
a. Pull out the tractor protection
valve
Okay

119. CDL AIR BRAKES BEGINNER TEST 2
17. What is the first thing to do when a low air pressure warning comes on?
c. Stop and safely park as soon as
possible
b. Push in the tractor protection
valve
INCORRECT
a. Pull out the tractor protection
valve
NEXT
Page 64, Right column

120. CDL AIR BRAKES BEGINNER TEST 2
17. What is the first thing to do when a low air pressure warning comes on?
c. Stop and safely park as soon as
possible
b. Push in the tractor protection
valve
a. Pull out the tractor protection
valve
Okay

121. CDL AIR BRAKES BEGINNER TEST 2
17. What is the first thing to do when a low air pressure warning comes on?
c. Stop and safely park as soon as
possible
CORRECT
b. Push in the tractor protection
valve
a. Pull out the tractor protection
valve
NEXT

122. CDL AIR BRAKES BEGINNER TEST 2
18. The braking power of the spring brakes:
c. Depends on the adjustment of
the service brakes
b. Is not affected by the condition
of the service brakes
a. Can only be tested by highly
trained brake service people

123. CDL AIR BRAKES BEGINNER TEST 2
18. The braking power of the spring brakes:
c. Depends on the adjustment of
the service brakes
b. Is not affected by the condition
of the service brakes
a. Can only be tested by highly
trained brake service people
Okay

124. CDL AIR BRAKES BEGINNER TEST 2
18. The braking power of the spring brakes:
c. Depends on the adjustment of
the service brakes
b. Is not affected by the condition
of the service brakes
a. Can only be tested by highly
trained brake service people
INCORRECT
NEXT
Page 59, Right column

125. CDL AIR BRAKES BEGINNER TEST 2
18. The braking power of the spring brakes:
c. Depends on the adjustment of
the service brakes
b. Is not affected by the condition
of the service brakes
a. Can only be tested by highly
trained brake service people
Okay

126. CDL AIR BRAKES BEGINNER TEST 2
18. The braking power of the spring brakes:
c. Depends on the adjustment of
the service brakes
b. Is not affected by the condition
of the service brakes
INCORRECT
a. Can only be tested by highly
trained brake service people
Page 59, Right column
NEXT

127. CDL AIR BRAKES BEGINNER TEST 2
18. The braking power of the spring brakes:
c. Depends on the adjustment of
the service brakes
b. Is not affected by the condition
of the service brakes
a. Can only be tested by highly
trained brake service people
Okay

128. CDL AIR BRAKES BEGINNER TEST 2
18. The braking power of the spring brakes:
c. Depends on the adjustment of
the service brakes
CORRECT
b. Is not affected by the condition
of the service brakes
a. Can only be tested by highly
trained brake service people
NEXT

129. CDL AIR BRAKES BEGINNER TEST 2
19. The air compressor governor controls:
c. The speed of the air compressor
b. Air pressure applied to the
brakes
a. When air is pumped into the air
tanks

130. CDL AIR BRAKES BEGINNER TEST 2
19. The air compressor governor controls:
c. The speed of the air compressor
b. Air pressure applied to the
brakes
a. When air is pumped into the air
tanks
Okay

131. CDL AIR BRAKES BEGINNER TEST 2
19. The air compressor governor controls:
c. The speed of the air compressor
b. Air pressure applied to the
brakes
a. When air is pumped into the air
tanks
CORRECT
NEXT

132. CDL AIR BRAKES BEGINNER TEST 2
19. The air compressor governor controls:
c. The speed of the air compressor
b. Air pressure applied to the
brakes
a. When air is pumped into the air
tanks
Okay

133. CDL AIR BRAKES BEGINNER TEST 2
19. The air compressor governor controls:
c. The speed of the air compressor
b. Air pressure applied to the
brakes
INCORRECT
a. When air is pumped into the air
tanks
NEXT
Page 57, Left column

134. CDL AIR BRAKES BEGINNER TEST 2
19. The air compressor governor controls:
c. The speed of the air compressor
b. Air pressure applied to the
brakes
a. When air is pumped into the air
tanks
Okay

135. CDL AIR BRAKES BEGINNER TEST 2
19. The air compressor governor controls:
c. The speed of the air compressor
INCORRECT
b. Air pressure applied to the
brakes
a. When air is pumped into the air
tanks
NEXT
Page 57, Left column

136. CDL AIR BRAKES BEGINNER TEST 2
20. The application pressure gauge shows the driver how much pressure:
c. Is being applied to the brakes
b. Is in the air tanks
a. Has been used on the trip

137. CDL AIR BRAKES BEGINNER TEST 2
20. The application pressure gauge shows the driver how much pressure:
c. Is being applied to the brakes
b. Is in the air tanks
a. Has been used on the trip
Okay

138. CDL AIR BRAKES BEGINNER TEST 2
20. The application pressure gauge shows the driver how much pressure:
c. Is being applied to the brakes
b. Is in the air tanks
a. Has been used on the trip
INCORRECT
NEXT
Page 58, Right column

139. CDL AIR BRAKES BEGINNER TEST 2
20. The application pressure gauge shows the driver how much pressure:
c. Is being applied to the brakes
b. Is in the air tanks
a. Has been used on the trip
Okay

140. CDL AIR BRAKES BEGINNER TEST 2
20. The application pressure gauge shows the driver how much pressure:
c. Is being applied to the brakes
b. Is in the air tanks
INCORRECT
a. Has been used on the trip
NEXT
Page 58, Right column

141. CDL AIR BRAKES BEGINNER TEST 2
20. The application pressure gauge shows the driver how much pressure:
c. Is being applied to the brakes
b. Is in the air tanks
a. Has been used on the trip
Okay

142. CDL AIR BRAKES BEGINNER TEST 2
20. The application pressure gauge shows the driver how much pressure:
c. Is being applied to the brakes
CORRECT
b. Is in the air tanks
a. Has been used on the trip
NEXT

143. CDL AIR BRAKES BEGINNER TEST 2
21. If your vehicle has an alcohol evaporator, every day during cold weather,
you should:
c. Check the air tanks for alcohol
content
b. Clean the air filter with alcohol
a. Check and fill the alcohol level

144. CDL AIR BRAKES BEGINNER TEST 2
21. If your vehicle has an alcohol evaporator, every day during cold weather,
you should:
c. Check the air tanks for alcohol
content
b. Clean the air filter with alcohol
a. Check and fill the alcohol level
Okay

145. CDL AIR BRAKES BEGINNER TEST 2
21. If your vehicle has an alcohol evaporator, every day during cold weather,
you should:
c. Check the air tanks for alcohol
content
b. Clean the air filter with alcohol
a. Check and fill the alcohol level
CORRECT
NEXT

146. CDL AIR BRAKES BEGINNER TEST 2
21. If your vehicle has an alcohol evaporator, every day during cold weather,
you should:
c. Check the air tanks for alcohol
content
b. Clean the air filter with alcohol
a. Check and fill the alcohol level
Okay

147. CDL AIR BRAKES BEGINNER TEST 2
21. If your vehicle has an alcohol evaporator, every day during cold weather,
you should:
c. Check the air tanks for alcohol
content
b. Clean the air filter with alcohol
INCORRECT
a. Check and fill the alcohol level
Page 57, Right column
NEXT

148. CDL AIR BRAKES BEGINNER TEST 2
21. If your vehicle has an alcohol evaporator, every day during cold weather,
you should:
c. Check the air tanks for alcohol
content
b. Clean the air filter with alcohol
a. Check and fill the alcohol level
Okay

149. CDL AIR BRAKES BEGINNER TEST 2
21. If your vehicle has an alcohol evaporator, every day during cold weather,
you should:
c. Check the air tanks for alcohol
content
INCORRECT
b. Clean the air filter with alcohol
a. Check and fill the alcohol level
NEXT
Page 57, Right column

150. CDL AIR BRAKES BEGINNER TEST 2
22. During normal driving, spring brakes are usually held back by:
c. Air pressure
b. Bolts and clamps
a. Spring pressure

151. CDL AIR BRAKES BEGINNER TEST 2
22. During normal driving, spring brakes are usually held back by:
c. Air pressure
b. Bolts and clamps
a. Spring pressure
Okay

152. CDL AIR BRAKES BEGINNER TEST 2
22. During normal driving, spring brakes are usually held back by:
c. Air pressure
b. Bolts and clamps
a. Spring pressure
INCORRECT
NEXT
Page 59, Left column

153. CDL AIR BRAKES BEGINNER TEST 2
22. During normal driving, spring brakes are usually held back by:
c. Air pressure
b. Bolts and clamps
a. Spring pressure
Okay

154. CDL AIR BRAKES BEGINNER TEST 2
22. During normal driving, spring brakes are usually held back by:
c. Air pressure
b. Bolts and clamps
INCORRECT
a. Spring pressure
Page 59, Left column
NEXT

155. CDL AIR BRAKES BEGINNER TEST 2
22. During normal driving, spring brakes are usually held back by:
c. Air pressure
b. Bolts and clamps
a. Spring pressure
Okay

156. CDL AIR BRAKES BEGINNER TEST 2
22. During normal driving, spring brakes are usually held back by:
c. Air pressure
CORRECT
b. Bolts and clamps
a. Spring pressure
NEXT

157. CDL AIR BRAKES BEGINNER TEST 2
23. Stopping with air brakes takes more time than with hydraulic brakes
because with air brakes:
c. It takes a little time for the air
to flow through the lines to the
brakes
b. The governor must cut in
before the air compressor will
work
a. Air is constantly being lost
through the one-way check
valve

158. CDL AIR BRAKES BEGINNER TEST 2
23. Stopping with air brakes takes more time than with hydraulic brakes
because with air brakes:
c. It takes a little time for the air
to flow through the lines to the
brakes
b. The governor must cut in
before the air compressor will
work
a. Air is constantly being lost
through the one-way check
valve
Okay

159. CDL AIR BRAKES BEGINNER TEST 2
23. Stopping with air brakes takes more time than with hydraulic brakes
because with air brakes:
c. It takes a little time for the air
to flow through the lines to the
brakes
b. The governor must cut in
before the air compressor will
work
a. Air is constantly being lost
through the one-way check
valve
INCORRECT
NEXT
Page 64, Left column

160. CDL AIR BRAKES BEGINNER TEST 2
23. Stopping with air brakes takes more time than with hydraulic brakes
because with air brakes:
c. It takes a little time for the air
to flow through the lines to the
brakes
b. The governor must cut in
before the air compressor will
work
a. Air is constantly being lost
through the one-way check
valve
Okay

161. CDL AIR BRAKES BEGINNER TEST 2
23. Stopping with air brakes takes more time than with hydraulic brakes
because with air brakes:
c. It takes a little time for the air
to flow through the lines to the
brakes
b. The governor must cut in
before the air compressor will
work
INCORRECT
a. Air is constantly being lost
through the one-way check
valve
NEXT
Page 64, Left column

162. CDL AIR BRAKES BEGINNER TEST 2
23. Stopping with air brakes takes more time than with hydraulic brakes
because with air brakes:
c. It takes a little time for the air
to flow through the lines to the
brakes
b. The governor must cut in
before the air compressor will
work
a. Air is constantly being lost
through the one-way check
valve
Okay

163. CDL AIR BRAKES BEGINNER TEST 2
23. Stopping with air brakes takes more time than with hydraulic brakes
because with air brakes:
c. It takes a little time for the air
to flow through the lines to the
brakes
CORRECT
b. The governor must cut in
before the air compressor will
work
a. Air is constantly being lost
through the one-way check
valve
NEXT

164. CDL AIR BRAKES BEGINNER TEST 2
24. In air brake vehicles, the parking brakes should be used:
c. As little as possible because the
air can leak off
b. Whenever the vehicle is parked
a. To hold your speed when going
downhill

165. CDL AIR BRAKES BEGINNER TEST 2
24. In air brake vehicles, the parking brakes should be used:
c. As little as possible because the
air can leak off
b. Whenever the vehicle is parked
a. To hold your speed when going
downhill
Okay

166. CDL AIR BRAKES BEGINNER TEST 2
24. In air brake vehicles, the parking brakes should be used:
c. As little as possible because the
air can leak off
b. Whenever the vehicle is parked
a. To hold your speed when going
downhill
INCORRECT
Page 64, Right column
NEXT

167. CDL AIR BRAKES BEGINNER TEST 2
24. In air brake vehicles, the parking brakes should be used:
c. As little as possible because the
air can leak off
b. Whenever the vehicle is parked
a. To hold your speed when going
downhill
Okay

168. CDL AIR BRAKES BEGINNER TEST 2
24. In air brake vehicles, the parking brakes should be used:
c. As little as possible because the
air can leak off
b. Whenever the vehicle is parked
CORRECT
a. To hold your speed when going
downhill
NEXT

169. CDL AIR BRAKES BEGINNER TEST 2
24. In air brake vehicles, the parking brakes should be used:
c. As little as possible because the
air can leak off
b. Whenever the vehicle is parked
a. To hold your speed when going
downhill
Okay

170. CDL AIR BRAKES BEGINNER TEST 2
24. In air brake vehicles, the parking brakes should be used:
c. As little as possible because the
air can leak off
INCORRECT
b. Whenever the vehicle is parked
a. To hold your speed when going
downhill
Page 64, Right column
NEXT

171. CDL AIR BRAKES BEGINNER TEST 2
25. To test air brake service, you should brake firmly when moving slowly
forward. This should result in:
c. Neither a. or b.
b. An unusual feel
a. The vehicle pulling to one side

172. CDL AIR BRAKES BEGINNER TEST 2
25. To test air brake service, you should brake firmly when moving slowly
forward. This should result in:
c. Neither a. or b.
b. An unusual feel
a. The vehicle pulling to one side
Okay

173. CDL AIR BRAKES BEGINNER TEST 2
25. To test air brake service, you should brake firmly when moving slowly
forward. This should result in:
c. Neither a. or b.
b. An unusual feel
a. The vehicle pulling to one side
INCORRECT
NEXT
Page 62, Right column

174. CDL AIR BRAKES BEGINNER TEST 2
25. To test air brake service, you should brake firmly when moving slowly
forward. This should result in:
c. Neither a. or b.
b. An unusual feel
a. The vehicle pulling to one side
Okay

175. CDL AIR BRAKES BEGINNER TEST 2
25. To test air brake service, you should brake firmly when moving slowly
forward. This should result in:
c. Neither a. or b.
b. An unusual feel
INCORRECT
a. The vehicle pulling to one side
Page 62, Right column
NEXT

176. CDL AIR BRAKES BEGINNER TEST 2
25. To test air brake service, you should brake firmly when moving slowly
forward. This should result in:
c. Neither a. or b.
b. An unusual feel
a. The vehicle pulling to one side
Okay

177. CDL AIR BRAKES BEGINNER TEST 2
25. To test air brake service, you should brake firmly when moving slowly
forward. This should result in:
c. Neither a. or b.
CORRECT
b. An unusual feel
a. The vehicle pulling to one side
NEXT

178. CDL AIR BRAKES BEGINNER TEST 2
Test Complete
End Test