Home » Electrical Engineering » Electrical Engineering MCQ » Electrical Power Generation MCQ

200 Important Electrical Power Generation MCQ Question and Answer | PDF Free Download

Electrical Power Generation MCQ Question and Answer PDF Free Download

1.Artificial draught is produced by

  • AA forced fan
  • BAn induced fan
  • CInduced and forced fan
  • DAll of the above 
Answer / Hint Save Question Comment On Question
Correct Answer : (D)

All of the above 

Explanation:

Artificial draught is produced by  forced fan and induced fan.

2.For forced draught the blower is located 

  • AAt the top of the chimney
  • BNear the base of the chimney 
  • CNear the base of the boiler
  • DAny where permissible
Answer / Hint Save Question Comment On Question
Correct Answer : (C)

Near the base of the boiler

Explanation:

For forced draught the blower is located near the base of the boiler.

3.The draught produced in locomotive boilers is by

  • AForced fan
  • BSteam jet
  • CChimney
  • DMotion of locomotive
Answer / Hint Save Question Comment On Question
Correct Answer : (B)

Steam jet

Explanation:

The draught produced in locomotive boilers is by Steam jet.

4.The pressure at the furnace is minimum in case of

  • AInduced draught system
  • BForced draught system
  • CBalanced draught system
  • DNatural draught system
Answer / Hint Save Question Comment On Question
Correct Answer : (C)

Balanced draught system

Explanation:

The pressure at the furnace is minimum in case of Balanced draught system.

5.Huge quantity of water is required in a steam power plant. It is required

  • ATo raise the steam in boilers
  • BFor cooling purposes such as in condensers
  • CAs a carrying medium such as in disposal of ash
  • DAll of the above
Answer / Hint Save Question Comment On Question
Correct Answer : (D)

All of the above

Explanation:

Huge quantity of water is required in a steam power plant. It is required To raise the steam in boilers, For cooling purposes such as in condensers and As a carrying medium such as in disposal of ash.

6.The first nuclear power plant installed in  India is

  • ATurbo-alternators run atKota (Rajastan)
  • BTarapur (Maharashtra)
  • CKalpakkam (TN)
  • DNarora (U.P.) 
Answer / Hint Save Question Comment On Question
Correct Answer : (B)

Tarapur (Maharashtra)

Explanation:

7.Nuclear reactors usually employ

  • AFission
  • BFusion
  • CBoth fission and fusionNone of the above
  • DNone of the above
Answer / Hint Save Question
Correct Answer : (A)

Fission

Explanation:

8.Graphite is used in nuclear power plant as

  • AFuel 
  • BCoolant
  • CModerator
  • DElectrode
Answer / Hint Save Question Comment On Question
Correct Answer : (C)

Moderator

Explanation:

Graphite is used in nuclear power plant as Moderator.

9.Which of the following materials cannot be used as a moderator?

  • ADeuterium
  • BGraphite
  • CHeavy water
  • DBeryllium
Answer / Hint Save Question
Correct Answer : (A)

Deuterium

Explanation:

10.Which material is used in controlling chain reaction in a nuclear reactor?

  • AThorium
  • BHeavy water
  • CBoron
  • DBeryllium
Answer / Hint Save Question
Correct Answer : (C)

Boron

Explanation:

11.Control rods used in nuclear reactors are made of

  • AZirconium 
  • BBoron
  • CBeryllium
  • Dcadmium
Answer / Hint Save Question Comment On Question
Correct Answer : (D)

cadmium

Explanation:

Control rods used in nuclear reactors are made of cadmium.

12.In a nuclear reactor, chain reaction is controlled by introducing

  • AIron rods
  • BCadmium rods 
  • CGraphite rods 
  • DBrass rods 
Answer / Hint Save Question
Correct Answer : (D)

Brass rods 

Explanation:

13.Heavy water is used in nuclear power plant as

  • AFuel
  • BCoolant 
  • CModerator
  • DBoth (b) and (c)
Answer / Hint Save Question Comment On Question
Correct Answer : (D)

Both (b) and (c)

Explanation:

Heavy water is used in nuclear power plant as both Coolant  and Moderator.

14.Which of the following materials can be used as a coolant?

  • AHeavy water 
  • BCO2
  • CHelium
  • DAny of the above
Answer / Hint Save Question
Correct Answer : (D)

Any of the above

Explanation:

15.The function of reflector in a nuclear reactor is to

  • ABounce back most of the neutrons that escape from the fuel core
  • BReduce the speed of the neutrons
  • CStop the chain reaction
  • DAll of the above
Answer / Hint Save Question Comment On Question
Correct Answer : (A)

Bounce back most of the neutrons that escape from the fuel core

Explanation:

The function of reflector in a nuclear reactor is to bounce back most of the neutrons that escape from the fuel core.

16.Reflectors of a nuclear reactor are made of

  • ACast iron
  • BBeryllium
  • CSteel
  • DBoron
Answer / Hint Save Question
Correct Answer : (B)

Beryllium

Explanation:

17.The radiation shield for a nuclear power reactor for biological safety is provided by having the reactor

  • AImmersed in water pool
  • BEncased by thick metal walls
  • CEncased by thick concrete wall
  • DIsolated from outside word with strong magnetic fields
Answer / Hint Save Question
Correct Answer : (C)

Encased by thick concrete wall

Explanation:

18.In boiler water reactor (BWR) 

  • AThe feed water acts both coolant and a moderator
  • BEnriched uranium is used as fuel
  • CThere is a danger of radioactive contamination of steam
  • DAll of the above
Answer / Hint Save Question
Correct Answer : (D)

All of the above

Explanation:

19.In a four stroke petrol engine during suction stroke

  • AOnly petrol is sucked in 
  • BOnly air is sucked in 
  • CMixture of petrol and air is sucked in
  • DAny combustible gas is sucked in 
Answer / Hint Save Question
Correct Answer : (C)

Mixture of petrol and air is sucked in

Explanation:

20.In a four stroke engine, the four operations (suction, compression, expansion and exhaust) are completed in  ____________ revolution(s) of crankshaft.

  • A8
  • B4
  • C2
  • D1
Answer / Hint Save Question
Correct Answer : (C)

2

Explanation: