Electric Power Generation MCQs
1. The graphical representation of discharge vs time is known as__________
A. Load curve
B. Monograph
C. Hydrograph
D. Hectograph
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2. Water hammer effect occurs in which structure of a DAM_____________
A. Penstock
B. Surge tank
C. Generator
D. Transformer
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3. The power plant which has minimum running cost__________
A. Thermal plant
B. Hydro plant
C. Coal power plant
D. Nuclear power plant
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4. Economiser is used for heating_____________
A. Feedwater
B. Steam
C. Air
D. All of these
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5. Which one of the following is not a renewable source:
A. Sun
B. Wind
C. Hydro
D. Uranium
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6. Efficiency of a plant is not much considerable when it is employed to run as
A. Base load plant
B. Peak load plant
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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
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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
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9. Size and cost of investment on power plant depends on______________
A. Maximum demand
B. Average demand
C. Available space
D. None of these
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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
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11. Elemental composition of Coal is analyzed by___________
A. Proximate analysis
B. Ultimate analysis
C. Gross analysis
D. None of these
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12. Reflectors of a nuclear reactor are made of________________
A. Steel
B. Cast iron
C. Aluminum
D. Beryllium
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13. Jet aircraft is powered by____________
A. Petrol engine
B. Gas turbine
C. Diesel engine
D. DC Batteries
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14. Coal rank classifies coal on the basis of_______________
A. Ash content
B. Metamorphism degree
C. Size of powder
D. Carbon percentage
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15. Gas turbine works on which cycle______________
A. Ranking cycle
B. Dual cycle
C. Carnot cycle
D. Brayton cycle
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16. MHD generator abbreviates_______________
A. Mega hear dissipation generator
B. Magneto Hydro Dynamic generator
C. Magneto Hysteresis dissipation Generator
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17. Reheat factor in steam turbines depends on which factor_____________
A. Initial pressure
B. Exit pressure
C. Stage efficiency
D. All of these
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18. Impulse turbines having diagonal jets is____________
A. Pelton
B. Turgo
C. Francis
D. Propeller
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19. Which method of generating electric power from seawater is more advantageous________
A. Ocean currents
B. Wave power
C. Tidal power
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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
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