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This set of Energy Conversion Multiple Choice Questions & Answers (MCQs) focuses on Energy Conversion Set 24
Q1 | Solar cells are made of
- Antimony
- Phosphorous
- Silica
- Sulphur
- Steel
Q2 | A tidal power plant is being installed in India near
- Bay of Bengal
- Vishakhapatnam
- Gulf of Cambay
- Goa
- Cochin
Q3 | Water is fed to the boiler at
- Atmospheric pressure
- At 100 kg/cm2
- Less than atmospheric pressure
- Slightly more than atmospheric pressure
- At pressure more than the steam pressure
Q4 | Phase, advancers for power factor improvement are generally used for
- Induction motors below 200 HP
- Are lamps of high wattage
- Transformers of 100 MVA and above
- Induction motors below 10 HP
- Induction motors below 100 HP
Q5 | The pressure of steam used in modern thermal power plants is upto
- 100 kg/cm2
- 250 kg/cm2
- 350 kg/cm2
- 170 kg/cm2
- 15 kg/cm2
Q6 | The supply and distribution of electrical energy in states is controlled by
- Department of Science and Technology
- NTPC
- Electricity Board
- Department of Industries
- BHEL
Q7 | As compared to copper, the conductivity of aluminium is nearly
- 60%
- 40%
- 80%
- 20%
- 85%
Q8 | The equipment used for pulverising is known as
- Ball mill
- Hopper
- Coke oven
- Stoker
- Burner
Q9 | The dimensions of generalised constants A and D are
- ohms and ohms
- mhos and ohms
- mhos and mhos
- ohms and mhos
- Both are dimensionless
Q10 | Which of the following material has high scrap value as compared to initial cost?
- Cast iron
- Copper
- Aluminium
- Steel
- Wood
Q11 | Which plant has least pollution problem?
- Nuclear power plant
- Hydro-electric power plant
- Steam power plant
- Diesel engine power plant
- Gas turbine power plant
Q12 | The standard frequency of electric power supply in India is
- 1 Hz
- 50 Hz
- 220 Hz
- 440 Hz
- 60 Hz
Q13 | An air preheater is an essential part of which of the following power plant?
- Steam power plant
- Hydro-electric power plant
- Gas turbine power plant
- Diesel engine power plant
- Nuclear power plant
Q14 | The compressor used in gas turbine is usually
- Lobe type compressor
- Multistage axial flow compressor
- Screw compressor
- Multistage reciprocating compressor
- Single stage reciprocating compressor
Q15 | In a steam locomotive the power is generated in
- Steam turbine
- Single acting condensing steam engine
- Double acting condensing steam engine
- Double acting non-condensing steam engine
- Single acting non-condensing steam engine
Q16 | Which of the following domestic utility item consumes least power?
- Heat convector
- Electric shaver
- Electric iron
- Desert cooler
- Toaster