JNTU Ananthapur Basic civil and mechanical engineering fourth unit multiple choice questions and answers

1. 1.In wich year a hydroelectric power station was
designed and built by William, Lord
Armstrong at Cragside, England.
• A.1878
• B.1879
• C.1880
• D.1881

2. 2..A nonrenewable resource is a natural
resource that cannot be re-made or re-grown
at a scale comparable to its consumption.
• A. True
• B.False

3. 3.Identify nonrenewable resource
• A.wood,
• B.flowing water
• C.and fossil fuels
• D.all

4. • 4.Energy from the flow of water
• A. HYDROELECTRIC
• B.THERMAL
• C.DIESEL
• D.NUCLER

5. 5.In ------------plants water from rivers are
stored by constructing dams. The water from
the dam flows down through pipes and
rotates the turbines of generators to produce
electricity.
A. Hydro power plants
B.Thermal power plants
C.Nucler power plants
D. None

6. 6.-----------used to convert pressure and kinetic
energy of flowing water into mechanical
energy.
A. Water Turbine
B.PUMP
C. TAIL RACE
D. Draft Tube

7. 7.It is a machine used to convert mechanical
energy into electrical energy.
• A. Generator
• B.Pump
• C.Turbine
• D.none

8. 8. The waste materials and dead parts of living things are
called.
A. Biomass
B.diesel
C.petrol
D.none

9. 9.Biogas is a mixture of gases containing
• A. methane,
• B. Carbon dioxide
• C. hydrogen
• D.hydrogen sulphide.
• E.All

10. • 10.--------is used in wind mills which
converts the kinetic energy of the wind
into mechanical or electrical energy.
• A.Wind energy
• B.Tidal energy
• C.geo energy
• D.none

11. :
11.Identify Nuclear Power Plants in India
A.IGCAR, Kalpakkam in Chennai.
B.Rana Pratap Sagar in Rajasthan
C. Narora in Uttar Pradesh
D.Kakarpur near Seurat at Gujarat
E.All

12. • 12. Centrifugal pump is a_________
a) Turbomachinery
b) Flow regulating device
c) Drafting device
d) Inter cooling device

13. • 13. Turbomachines work under ________
a ) Newtons first law
b) Newtons second law
c) Newtons third law
d) Kepler’s law

14. • 14. The main function of nozzle is to
__________
a) Varying temperatures
b) Pressure variations
c) Load variations
d) Heat vari

15. • 15.. The main function of centrifugal pumps
are to ________
a) Transfer speed
b) Transfer pressure
c) Transfer temperature
d) Transfer energy

16. • 16. Centrifugal pumps transfer energy from
_______
a) Rotor to fluid
b) Fluid to rotor
c) Draft to rotor
d) Rotor to draft

17. • 17. Which among the following control the
flow rate?
a) Valve
b) Pump
c) Head
d) Tank pipe

18. • 18.. Turbines and compressors work with the
gas, while centrifugal pump transfers energy.
a) True
b) False

19. • 19. Centrifugal pumps are used to transport
________
a) Pressure
b) Speed
c) Power
d) Fluid

20. • 20. The fluid coming into the centrifugal pump
is accelerated by ________
a) Throttle
b) Impeller
c) Nozzle
d) Governor