1. The area under a load curve gives
(a) average demand.
(b) energy consumed.
(c) maximum demand.
(d) none of the above. [accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed] B [/accordion-item][/accordion]
2. An instrument used to measure the flow of liquid through a pipe is
(a) pressure gauge.
(b) hydrometer.
(c) Venturi metre.
(d) Phantom. [accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed] C [/accordion-item][/accordion]
3. Which of the following power plant has highest Depreciation charges?
(a) Thermal plant.
(b) Diesel plant.
(c) Hydroelectric plant.
(d) All have same. [accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed] A [/accordion-item][/accordion]
4. Which of the following application uses betz law?
(a) Solar cell.
(b) Tidal power plants.
(c) MHD system.
(d) Wind mills. [accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed] D [/accordion-item][/accordion]
5. Which of the following is the essential requirement of peak load plant?
(a) It should run at high speed.
(b) It should produce high voltage.
(c) It should be small size.
(d) It should be capable of starting quickly. [accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed] D [/accordion-item][/accordion]
6. In thermal power plant, heat from the flue gases is utilized in
(a) super heater.
(b) condenser.
(c) economizer.
(d) chimney. [accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed] C [/accordion-item][/accordion]
7. Which of the following equipment provides fluctuating load?
(a) Exhaust fan.
(b) Lathe machine.
(c) Welding transformer.
(d) All of the above. [accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed] C [/accordion-item][/accordion]
8. Energy from gravitational field is energy obtained from
(a) wind
(b) biomass
(c) coal
(d) tides [accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed] D [/accordion-item][/accordion]
9. Which of the following is superior quality of coal?
(a) Peat.
(b) Lignite.
(c) Coke.
(d) Bituminous coal. [accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed] B [/accordion-item][/accordion]
10. Demand factor is defined as
(a) average load/maximum load.
(b) maximum demand/connected load.
(c) connected load/maximum demand.
(d) average load x maximum load. [accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed] B [/accordion-item][/accordion]
11. Which material is used to made a solar cell?
(a) aluminum.
(b) Germanium.
(c) silicon.
(d) scandium. [accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed] C [/accordion-item][/accordion]
12. Which of the following power plants is least reliable?
(a) wind.
(b) tidal.
(c) geothermal.
(d) solar. [accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed] A [/accordion-item][/accordion]
13. The fuel used in nuclear reactor is
(a) radium.
(b) cadmium.
(c) uranium.
(d) all of the above. [accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed] C [/accordion-item][/accordion]
14. Which of the following device is used to measure vacuum?
(a) Barometer.
(b) Hygrometer.
(c) U-tube manometer.
(d) Venturi metre. [accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed] C [/accordion-item][/accordion]
15. The voltage of a single solar cells is about
(a) 0.5 volt.
(b) 1 volt.
(c) 1.8 volt.
(d) 1. 5 volt. [accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed] A [/accordion-item][/accordion]