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Republic of the Philippines
Department of Education
Region IV—A (CALABARZON)
CITY SCHOOLS DIVISION OF DASMARIÑAS
DR. JOSE P. RIZAL SENIOR HIGH SCHOOL
Sto. Cristo, City of Dasmariñas, Cavite
Name: _____________________________ Course/Year/Section:_________________
FIRST QUARTER EXAMINATION
ELECTRICAL INSTALLATION & MAINTENANCE 3
Direction:Choose the letter of the best answer. Shade the letter of the correct answer on the separateanswer sheet provided
1. It is an actof providinga more responsiveand comprehensive regulation for the practice,licensing,and registration of electrical
engineers and electricians.
(a) RA 2079 (b) RA 1396
(c) RA 9136 (d) RA 7920
2. It refers to the power plantmounted on wheels as used in the railroad transportation industry.
(a) Power Plantdesign (b) Electric locomotive
(c) Utilization Equipment (d) RA 7920
3. It refers to any building,roomor separateplacewhich houses or encloses electric supply equipment connected to transmissionor
distribution lines and the interior of which is accessible,as rule,only to properly qualified persons.
(c) Substation (d) kVA
4. It refers to an establishmentor a system for the production and modification of electric energy
(c) Substation (d) Electric Plant
5. Itrefers to manufacturing assembly plants,including engineering shops,shipyards or other business endeavors where electrical mac
hinery and equipment are installed.
(a) Industrial plantor factory (b) Electric locomotive
(c) Utilization Equipment (d) Electric Plant
6. It is any waterborne unitwhich is designed and builtto have an electric plant.
(a) Institutional building (b) Watercraft
(c) Commercial Establishment (d) Electric Plant
7. Theseare department stores,supermarkets, shopping malls,officebuildings,hotels,theaters, stadiums,condominiums, convention
centers, restaurants and the like,used for business or profit.
(a) Institutional building (b) Watercraft
(c) Commercial Establishment (d) Electric Plant
8. When the new engineering lawwas enacted by congress?
(a) July 25, 1994 (b) June 26, 2005
(c) August 9, 1993 (d) October 13, 1996
9. The common name for lawintended for the regulation of electrical profession in the Philippines.
(a) The New Electrical EngineeringLaw (b) The New Electric Engineering Law
(c) The New Engineering Law (d) The New ElectricalsEngineeringLaws
10. The followingmay mean for the term “practice of electrical engineering”except.
(a) Design (b) Supervision
(c) Consultation (d) Public service
11. It is any equipment which produces, modifies,regulates, or controls the supply of electric energy.
(a) UtilizationEquipment (b) Electric plant
(c) Electric supply equipment (d) Watercraft
12. What is meant by IEEE?
(a) Institute of Integrated Electrical Engineers (b) Integrated Electronics Electrical Engineers
(c) International Instituteof Electrical Engineering (d) Institute of Electrical ElectronicsEngineers
13. It is also known as "electric power industry reform act of 2001"
(a) RA 7920 (b) RA 3691
(c) RA 2079 (d) RA 9136
14. It is their duty to prepare Electric Cooperatives (ECs) in operating and competing under the deregulated electricity market within
five (5) years from the effectivity of the Act, specifically in an environmentof Open Access and retail wheelingand Retail
Competition
(a) NGCP (b) NAPOCOR
(c) National Electrification Administration (d) Meralco
15. It is responsiblefor the distribution of electrical energy to the household consumers.
16. It is the company that generates electrical power through the power generation plants.
17. It was previously termed as TRANSCO or Transmission Company.
18. The nominal voltagedistributed by the distribution company to the household consumers.
(a) 220V AC, 60Hz (b) 230V AC, 60Hz
(c) 110V AC (d) 110V AC, 60Hz

19. Which of the followingcondition thata current takes as the path.
(a) High resistance (b) High resistanceplus other path
(c) Lower Resistance (d) Least resistanceplus other path
20. Which of the followingis considered as the most effective ground faultcurrent path?
(a) Earth (b) Bonded Grounding
(c) Wire (d) Ground open
21. What is meant by the acronym GSC?
(a) Great ServiceConductor (b) GroundingService entrance Conduit
(c) Grounded Service Conductor (d) Ground ServicingConductor
22. Which of the followingis notpermitted for grounding conductor.
(a) Aluminum Electrodes (b) Round ring
(c) Plate electrode (d) Metal Underground Water Pipe
23. What is meant by EGC?
(a) Electrical GroundingConductor (b) Electrical GroundingConduit
(c) Equipment GroundingConductor (d) Equipment Grounding Conduit
24. It is a premises wiringsystem whose power is derived from a sourceof electrical energy or equipment other than a service.
(a) Simultaneous Driven System (b) Separately Driven Sign
(c) Simulated Deviation System (d) Separately Derived System
25. Which of the followingis NOTa proper solution for groundingproblems.
(a) Proper GroundingPractices (b) Isolated ground
(c) Signal reference (d) Open grounding
26. Which of the followingoccupation is beingallowed by the lawto practiceelectrical works.
(a) Registered Master Electrician (b) NC I Passer
(c) Electrical Engineering Graduate (d) Technician
27. Which among of the four has the highestcapacity and capability over electrical systemoperation.
(a) Registered Master Electrician (b) Registered Electrical Engineer
(c) Professional Electrical Engineer (d) Master Electrical Engineer
28. It is a device installed in a buildingor structurethat is used to protect from lightningeffect.
(a) Guy Wire (b) Lightning Effect Protector
(c) Lightning Arrester (d) MastStand
29. A piece of conductor that supports the mast of the lightningprotective device.
(a) Guy Wire (b) Lightning Effect Protector
(c) Lightning Arrester (d) MastStand
30. In which of the followingcondition will theleakagecurrent shall go through.
(a) Low Resistance (b) Lowest Resistance
(c) Lightly low resistance (d) High Resistance
31. A code that provides standard for electrical works in thePhilippines.
(a) NEC (b) UL
(c) NEMA (d) PEC
32. It refers to combiningchemicalswith certain metals causes a chemical reaction thattransfers electrons.
(a) Electrochemistry (b) Static Electricity
(c) Magnetic Induction (d) Piezoelectric Effect
33. When an object with a normally neutral chargeloses electrons,dueto friction,and comes in contactwith another objecthavi nga
normal charge,an electric chargeis exerted between the two objects.
34. It refers to the rotatingcoils of wirethrough a stationary magnetic field or by rotatinga magnetic field through a stationary coil of
wire produces a potential.
35. The bendingor twistingcertain materialswill causeelectrons to driveout of orbitin the direction of the force. When the force is
released,the electrons return to their original orbit.
36. When heating two joined dissimilar materialswill causea transfer of electrons between the materials settingup a currentflow,
what is known as?
(a) Photoelectric effect (b) Thermoelectricity
37. It refers to the dislodgingof electrons fromtheir orbits by lightbeams creates positively-charged objects.
38. It is the freeingelectrons from a hot surfacecauses electronsto escape.
(c) Thermionic emission (d) Piezoelectric Effect

39. It is the group of magnetic field lines emitted outward from the north pole of a magnet.
(a) Magnetic flux (b) Magnetic flux density
(c) Permeability (d) Ferromagnetic Materials
40. It refers to the ability of a material to concentrate magnetic lines of flux.
(a) Magnetic flux (b) Magnetic flux density
(c) Permeability (d) Ferromagnetic Materials
41.Which of the followinghas thehighestmagnetic property.
(a) Paramagnetic (b) Diamagnetic
(c) Non-magnetic (d) Ferromagnetic Materials
42.Materials such as aluminum,platinum,manganese,and chromium areexamples of ___________.
43.These arematerial in which their relativepermeability islessthan 1.
44.A Danish scientistwho discovered the relationship between magnetismand electrical current. Oersted
(a) Faraday (b) Oersted
(c) Tesla (d) Simon Ohm
45. It is the strength of a magnetic field in a coil of wire.
(a) PiezoelectricEffect (b) Magnetomotive force (mmf)
(c) Magnetic Induction (d) Magnetic flux density
46. When a coil with a certain number of ampere-turns is stretched to twice its length, the magnetic field intensity,or the
concentration of its magnetic lines of force, will behalf as great.Whatis beingreferred to?
(a) PiezoelectricEffect (b) Magnetomotive force (mmf)
(c) Magnetic field intensity (d) Magnetic flux density
47. Whatis known as the opposition to the production of flux in a material?
(a) PiezoelectricEffect (b) Reluctance
(c) Magnetic field intensity (d) Magnetic flux density
48. It is a unitof measure for magnetic flux.
(a) Photoelectric effect (b) Ampere-Turn
(c) Tesla (d) Weber
49. Which of the followingmaterialsis considered as diamagnetic?
(a) Silver (Ag) (b) Gold (Au)
(c) Copper (Cu) (d) Iron (Fe)
50. It is oneof the best example of ferromagnetic materials.
(a) Silver (Ag) (b) Gold (Au)
(c) Copper (Cu) (d) Iron (Fe)
51. Which of the followingmaterialsisconsidered as paramagnetic materials?
(a) Silver (Ag) (b) Zinc
(c) Chromium (d) Ferric
52. It is a phenomenon or event when current in a coil reverses direction thousands of times per second.
(a) Hysteresis (b) Reluctance
(c) Photoelectric effect (d) Reversing
53. He is the scientistwho discovered theconcept of electromagnetic induction.
(a) Faraday (b) Oersted
(c) Tesla (d) Simon Ohm
54. Whatis meant by the acronymEMF?
(a) Electrostatic Magnetic Force (b) Electromagnetic Force
(c) Electromotive Force (d) Electrical Magnets Force
55. It states that an induced voltagewill havea polarity thatwill opposethemagnetic field thatcaused the induced voltage.
(a) Faraday Law (b) Lenz law
(c) Hysteresis Law (d) BH Magnetization Law
56. A lawstatingthatthe induced voltage depends on the number of turns of a coil and howfastthe conductor cuts acrossthe
magnetic lines of forceor flux.
(a) Faraday Law (b) Lenz law
(c) Hysteresis Law (d) BH Magnetization Law
57. A symbol used referringto a resistor that has a variablevalues.
(a) (b)
(b) (d)

58. A symbol used for electrical relays.
(a) (b)
(b) (d)
59. A devicethat converts low electrical voltageto a higher level.
(a) Conductor (b) Step Up Transformer
(c) Transformer (d) Step Down Transformer
60. The frequency of the alternatingsourcein common electrical outlets in thePhilippines.
(a) Time/Period (b) AC Volt
(c) Farad (d) Hertz
Preparedby:
JUANR. DELA CRUZ
EIM Teacher
ContentChecked
FRONTON I. ORONAN MELVIN B. LAYUGAN
Master TeacherI Concurrent,School Principal IV
ContentNoted
VIRGILIOO. GUEVARRAJR, Ed.D
EducationProgramSupervisor
EPP-TLE-TVL
ContentChecked/Verified
MERCELITA D. MENDOZA
PublicSchoolsDistrictSupervisor
ClusterVIII

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