Electric Power Generation MCQ Questions and Answers

Electric Power Generation MCQs

1. The graphical representation of discharge vs time is known as__________

A. Load curve

B. Monograph

C. Hydrograph

D. Hectograph

Show Answer
C. Hydrograph

 

2. Water hammer effect occurs in which structure of a DAM_____________

A. Penstock

B. Surge tank

C. Generator

D. Transformer

Show Answer
A. Penstock

 

3. The power plant which has minimum running cost__________

A. Thermal plant

B. Hydro plant

C. Coal power plant

D. Nuclear power plant

Show Answer
B. Hydro plant

 

4. Economiser is used for heating_____________

A. Feedwater

B. Steam

C. Air

D. All of these

Show Answer
A. Feedwater

 

5. Which one of the following is not a renewable source:

A. Sun

B. Wind

C. Hydro

D. Uranium

Show Answer
D. Uranium

 

6. Efficiency of a plant is not much considerable when it is employed to run as

A. Base load plant

B. Peak load plant

Show Answer
B. Peak load plant

 

7. Fuel transportation is major concern in case of____________

A. Hydroelectric power plant

B. Nuclear power plant

C. Diesel power plant

D. Coal power plant

Show Answer
D. Coal power plant

 

8. Find the power generated by a 100% efficient, hydroelectric power station having 5.0 m head and 1.0 m3/s. Assume water density to be 1000 kg/m3:

A. 17 kW

B. 32 kW

C. 42.5 kW

D. 49 kW

Show Answer
D. 49 kW

 

9. Size and cost of investment on power plant depends on______________

A. Maximum demand

B. Average demand

C. Available space

D. None of these

Show Answer
A. Maximum demand

 

10. Compounding of steam turbines is done in order to_____________

A. Increase the rotor speed

B. Decrease the rotor speed

C. Increase specific enthalpy

D. None of these

Show Answer
B. Decrease the rotor speed

 

11. Elemental composition of Coal is analyzed by___________

A. Proximate analysis

B. Ultimate analysis

C. Gross analysis

D. None of these

Show Answer
B. Ultimate analysis

 

12. Reflectors of a nuclear reactor are made of________________

A. Steel

B. Cast iron

C. Aluminum

D. Beryllium

Show Answer
D. Beryllium

 

13. Jet aircraft is powered by____________

A. Petrol engine

B. Gas turbine

C. Diesel engine

D. DC Batteries

Show Answer
B. Gas turbine

 

14. Coal rank classifies coal on the basis of_______________

A. Ash content

B. Metamorphism degree

C. Size of powder

D. Carbon percentage

Show Answer
D. Carbon percentage

 

15. Gas turbine works on which cycle______________

A. Ranking cycle

B. Dual cycle

C. Carnot cycle

D. Brayton cycle

Show Answer
D. Brayton cycle

 

16. MHD generator abbreviates_______________

A. Mega hear dissipation generator

B. Magneto Hydro Dynamic generator

C. Magneto Hysteresis dissipation Generator

Show Answer
B. Magneto Hydro Dynamic generator

 

17. Reheat factor in steam turbines depends on which factor_____________

A. Initial pressure

B. Exit pressure

C. Stage efficiency

D. All of these

Show Answer
D. All of these

 

18. Impulse turbines having diagonal jets is____________

A. Pelton

B. Turgo

C. Francis

D. Propeller

Show Answer
B. Turgo

 

19. Which method of generating electric power from seawater is more advantageous________

A. Ocean currents

B. Wave power

C. Tidal power

Show Answer
C. Tidal power

 

20. Which type of alternator is used in Hydropower plants________________

A. Salient pole alternator

B. Non-salient alternator

C. Turbo alternator

D. None of above mentioned

Show Answer
A. Salient pole alternator

 

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