Power Plant Engineering MCQ - Set 01

Practice Test: Question Set - 01

1. Enriched uranium is required as a fuel in a nuclear reactor, if light water is used as moderator and coolant, because light water has
    (A) High neutron absorption cross-section
    (B) Low moderating efficiency
    (C) High neutron scatter cross-section
    (D) Low neutron absorption cross-section

2. The efficiency of a nuclear power plant in comparison to conventional and nuclear consideration is
    (A) Higher cost of nuclear fuel
    (B) High initial cost
    (C) High heat rejection in condenser
    (D) Lower temperature and pressure conditions

3. The control rods in the control system of nuclear reactors are used to
    (A) Absorb excess neutrons
    (B) Control fuel consumption
    (C) Control temperature
    (D) All of these

4. Electron volt is the unit of
    (A) Atomic power
    (B) Energy
    (C) Voltage
    (D) Radio activity

5. A moderator, in nuclear power plants, is a medium introduced into the fuel mass in order to
    (A) Slow down the speed of fast moving neutrons
    (B) Control the reaction
    (C) Reduce the temperature
    (D) Extracts heat from nuclear reaction

6. One gram of uranium will produce energy equivalent to approximately
    (A) 1 tonne of high grade coal
    (B) 4.5 tonnes of high grade coal
    (C) 10 tonnes of high grade coal
    (D) 100 tonnes of high grade coal

7. Which of the following type of pump is used in liquid metal cooled reactor for circulation of liquid metal
    (A) Centrifugal
    (B) Axial
    (C) Reciprocation
    (D) Electromagnetic

8. Where reactor operation is designed with fast neutrons such as in reactors using highly enriched fuel, the moderator used is
    (A) Heavy water
    (B) Graphite
    (C) Carbon dioxide
    (D) No moderator is needed

9. The nuclear energy is measured as
    (A) MeV
    (B) Curie
    (C) Farads
    (D) MW

10. Isotopes of same elements have
    (A) Same atomic number and different masses
    (B) Same chemical properties but different atomic numbers
    (C) Different masses and different atomic numbers
    (D) Different chemical properties and same atomic numbers

11. A boiling water reactor uses following as fuel
    (A) Enriched uranium
    (B) Plutonium
    (C) Thorium
    (D) U

12. Which of the following statement is correct regarding the features of a Breeder reactor?
    (A) It produces more fuel than it consumes
    (B) It requires highly enriched fuel
    (C) It requires liquid sodium metal as moderator
    (D) All of the above

13. In nuclear fission each neutron that causes fission releases
    (A) No new neutron
    (B) At least one new neutron
    (C) One new neutron
    (D) More than one new neutron

14. Artificial radioactive isotopes find application in
    (A) Power generation
    (B) Nucleonic devices
    (C) Nuclear fission
    (D) Medical field

15. Each fission of U₂₃₅ produces on the average _________ fast neutrons as a product of reaction.
    (A) 2.46
    (B) 24.6
    (C) 246
    (D) 2460

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Power Plant Engineering:
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