MCQs on Power Generation

« Back         CONTENTS          Next »

1. A steam power stations basically work on the
(a) thermodynamic cycle.
(b) Rankin cycle.
(c) Vapor pressure cycle.
(d) Carton cycle.   [accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed]            B [/accordion-item][/accordion]

2. The overall efficiency of modern steam power station is about
(a) 15%.
(b) 29%.
(c) 47%.
(d) 59%.   [accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed]            B [/accordion-item][/accordion]

3. Which of the following power plant has highest efficiency?
(a) Steam power plant.
(b) Hydro power plant.
(c) Nuclear power plant.
(d) Diesel power plant.    [accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed]            B [/accordion-item][/accordion]

4. Which of the following power plant has least efficiency?
(a) Nuclear power plant.
(b) Hydro power plant.
(c) Steam power plant.
(d) Diesel power plant.   [accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed]            C [/accordion-item][/accordion]

5. The major heat loss in a steam power stations occur in
(a) condenser.
(b) compressor.
(c) turbine.
(d) super heater.   [accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed]            A [/accordion-item][/accordion]

6. Low power factor is usually not due to
(a) Discharge lamps.
(b) Arc lamps.
(c) Induction lamps.
(d) Incandescent lamps.   [accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed]            D [/accordion-item][/accordion]

7. The area under the load curve represents
(a) load current.
(b) connected load.
(c) energy consumed.
(d) maximum demand.   [accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed]            C [/accordion-item][/accordion]

8. What does the highest points on the daily load curve represents?
(a) average load.
(b) based load.
(c) maximum demand.
(d) load factor.     [accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed]            C [/accordion-item][/accordion]

9. An over excited synchronous motor on no load is known as
(a) phase advancer.
(b) synchronous condenser.
(c) exciter.
(d) alternator.    [accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed]            B [/accordion-item][/accordion]

10. In hydro power plant, surge tank is provided for the protection of
(a) turbine.
(b) bulb.
(c) penstock.
(d) dam.   [accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed]            C [/accordion-item][/accordion]

11. Salvage value of the plant is always
(a) positive.
(b) negative.
(c) zero.
(d) any of the above.   [accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed]            D [/accordion-item][/accordion]

12. When power factor is improved, the kilowatt capacity of alternator is
(a) increases.
(b) decreases.
(c) remain same.
(d) none of the above.   [accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed]            A [/accordion-item][/accordion]

13. To improve the power factor of a three phase load, the capacitors are mainly connected in
(a) star.
(b) delta.
(c) series.
(d) any of the above.     [accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed]            B [/accordion-item][/accordion]

14. Direct conversion of heat into electric power is possible through
(a) fuel cell.
(b) batteries.
(c) thermionic converter.
(d) all of the above.    [accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed]            C [/accordion-item][/accordion]

15. Which of the following power plant generally operates at high speed?
(a) Diesel power plant.
(b) Nuclear Power Plant.
(c) Stream Power plant.
(d) Hydro Power plant.    [accordion clicktoclose=true tag=h4][accordion-item title=”Answer” state=closed]            C [/accordion-item][/accordion]

« BACK                                        NEXT »

Leave a Reply

Your email address will not be published. Required fields are marked *