Multiple Choice Questions (MCQ) on Nuclear power plants

Multiple Choice Questions (MCQ) on Nuclear power plants

 

Which of the following fuel material occurred naturally?

  1. U235
  2. Pu239
  3. Pu241
  4. U-233

(Ans:a)

 

The function of a moderator is to

  1. absorb the part of the Kinetic energy of the neutrons
  2. extract the heat
  3. reflect back some of the neutrons
  4. start the reactor

(Ans:a)

 

Which of the following is not used as moderator?

  1. water
  2. heavy water
  3. graphite
  4. boron

(Ans:d)

 

When the control rods are inserted into the reactor, K (Multiplication factor) becomes

  1. 0
  2. ˃1
  3. 1
  4. <1

(Ans:d)

 

The function of coolant is to

  1. extract heat from reactor
  2. slow down neutrons
  3. control the reaction
  4. reflect the neutrons

(Ans:a)

 

Which of the following has highest moderating ratio?

  1. D2O
  2. H2O
  3. Carbon
  4. Helium

(Ans:a)

 

The reactor performs the following function as that of _____ in a steam power plant.

  1. furnace
  2. turbine
  3. electric generator
  4. boiler

(Ans:a)

 

In pressurized water reactor

  1. light water is used as coolant
  2. light water is used as coolant and moderator
  3. heavy water is used as coolant
  4. heavy water is used as coolant and moderator

(Ans:b)