200 Important Electrical Power Generation MCQ Question and Answer | PDF Free Download
1.The efficiency of solar cell is about
- A25%
- B15%
- C40%
- D60%
4.The output of a solar cell is of the order of
- A0.5 W
- B1.0 W
- C5.0 W
- D10.0 W
5.A module is a
- ASeries-arrangement of solar cells
- BParallel arrangement of solar cells
- CSeries-parallel arrangement of solar cells
- DNone of the above
6.For satellites the source of energy is
- ASolar cell
- BFuel cell
- C Edison cell
- DCryogenic storage
7.Fuel cell converts chemical energy into
- AHeat energy
- BLow-voltage direct current electrical energ
- CLow-voltage alternating current electrical energy
- DMechanical energy
8.Which of the following area is preferred for solar plants?
- ACoastal areas
- BHot arid zones
- CMountain tops
- DHigh rainfall zones
9.In solar power plants the solar heat is transferred to
- AMolten salts
- BLiquid metals
- CWater steam
- DAny of the above
10.For under water movement of a submarine the power is provided by
- ATidal energy
- BMHD generator
- CBatteries
- DThermionic generator
11.The power station that does not require any moving part is
- AThermionic convertor
- BWind power generation
- CTidal power plant
- DSolar power generation
12.A generating station which has a high investment cost and low operating cost is usually operated as a
- APeak load station
- BBase load station
- CMedium load station
- DNone of the above
13.Which of the following power plants normally operates at high speeds?
- AHydroelectric
- BSteam-turbine
- CPetrol engine
- DDiesel engine
14.Which of the following power plants is free from environmental problem?
- ADiesel engine
- BNuclear
- CHydroelectric
- DSteam
15.Which power plant cannot have single unit of 100 MW capacity?
- ASteam power plant
- BNuclear power plant
- CHydroelectric power plant
- DDiesel engine power plant
16.Which of the following plants will take least time in starting from cold conditions to full-load operation?
- ANuclear power plant
- BSteam power plant
- CHydroelectric plant
- DGas turbine plant
17.Which of the following generating plants has the minimum operating cost?
- ASteam plant
- BHydroelectric plant
- CNuclear plant
- DDiesel plant
18.Which of the following power plant has the maximum capital cost?
- ASteam plants
- BHydro-plants
- CDiesel plants
- DNuclear plants
19.In a steam power plant, which of its following components needs maximum maintenance attention?
- ACondenser
- BBoiler
- CSteam turbine
- DSuperheater
20.A steam power plant is being supplied with coal having much more ash content than that foe which it was designed. Which of its following units needs major modifications?
- AAsh handling unit
- BPulverising unit
- CCondenser
- DCooling towers