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MCQs on Power Generation

May 4, 2017 by admin

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1. Alternators are rated in
(a) kVA.
(b) kW.
(c) kVAR.
(d) HP.    

Answer

           A 

 2. The capacity of a power plant is expressed in terms of
(a) MVA.
(b) MW.
(c) MVAR.
(d) tones.      

Answer

           A 

 3. The turbine are generally rated in
(a) HP.
(b) kVA.
(c) kVAR.
(d) tones.  

Answer

           A 

 4. Which of the following is not a source of power?
(a) Thermocouple.
(b) Photo-voltaic cell.
(c) Solar cell.
(d) Photoelectric cell.    

Answer

           A 

 5. Which of the following should be used for extinguishing electrical fires?
(a) Water.
(b) Carbon tetra-chloride fire extinguisher.
(c) Foam type fire extinguisher.
(d) CO2 fire extinguisher.    

Answer

           B 

 6. Which of the following power plant required minimum amount of fuel?
(a) Hydro power plant.
(b) Steam power plant.
(c) Diesel power plant.
(d) Nuclear power plant.    

Answer

           A 

 7. During load shedding
(a) system power factor is changed.
(b) some loads are switched off.
(c) system voltage is reduced.
(d) system frequency is reduced.    

Answer

           B 

 8. In nuclear power plant, which of the following is used to moderate the speed of neutron?
(a) moderator.
(b) controller.
(c) valve.
(d) filter.  

Answer

           A 

 9. Which of the following material act as coolant in a nuclear power plant?
(a) liquid sodium.
(b) graphite.
(c) beryllium.
(d) all of the above.      

Answer

           A 

You may also read
• Why all the voltage levels are multiples of 11 kV?
• Why Motor rated in kW instead of kVA?

 10. Load factor of a power station is generally
(a) equal to unity.
(b) less than unity.
(c) more than unity.
(d) equal to zero.    

Answer

           B 

 11. Impulse turbine generally operates at ______ water head?
(a) high.
(b) low.
(c) medium.
(d) none of the above.    

Answer

           A 

 12. Turbo turbines are designs to run at
(a) low speed.
(b) normal speed.
(c) high speed.
(d) any of the above.  

Answer

           C 

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Also Read :

  • Why all the voltage levels are multiples of 11 kV? asked by Bahu
  • What is the function of a choke in tube light? asked by varu
  • What is the difference between Earthing and Grounding? asked by admin
  • Why Motor rated in kW instead of kVA? asked by Guma


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