NUCLEAR POWER PLANT MCQ, POWER GENERATION AND TECHNOLOGY (PGT) :


1.The first nuclear power plant in the world was commissioned in.......
A.U.S.A.
B.U.S.S.R
C.England
D.None of the above

Ans-.U.S.S.R in 1954

2. In all plant minimum quality of fuel is required in........
A.Thermal power plant
B.Hydro electric power plant
C.Nuclear power plant
D.Gas turbine plant
Ans-Nuclear power plant

3. The avarage thermal efficiency of modern nuclear power plant is about........
A.30%
B.60%
C.40%
D.80%
Ans-.30%

4. Reflectors of a nuclear reactors are made of........
A.Boron
B.Cast iron
C.Beryllium
D.Steel

Ans-.Beryllium

5. The nuclear energy is measured as........
A.MeV
B.MW
C.Curie
D.None of the above

Ans.MeV

6. In the nuclear fission reactions......isotope of uranium is used
A.U238
B.U235
C.U233
D.None of the above
Ans-.U233

7. The conversion ratio of a breeder reactor is........
A.Equal to unity
B.More than unity
C.Leass than unity
D.None of the above

Ans-.More than unity

8. ......is the most commonly used moderator
A.Graphite
B.Sodium
C.Deuterium
D.Heavy water

Ans-.Graphite

9. The function of the moderator in a nuclear is to........
A.Stop chain reaction
B.Absorb neutrons
C.Reduce the speed of neutrons
D.Reduce temperature

Ans-.Reduce the speed of neutrons

10. Fast breed reactors are best suited for........
A.Of large thorium deposits
B.Of large uranium deposits
C.Of large plutonium deposits
D.None of the above

Ans.Of large thorium deposits

11. The function of a moderator in a nuclear reactor is......
A.To slow down the fast moving electrons
B.To speed up the slow moving electron
C.To start the chain reaction
D.To transfer heat produced inside the reactor to a heat exchanger

Ans-To slow down the fast moving electrons

12. When nuclear reactor is operating at constant power the multiplication factor 
is........
A.Equal to unity
B.More than unity
C.Leass than unity
D.None of the above
Ans-.Equal to unity

13. In a nuclear reactor function of reflector is to......
A.Reduce the speed of the neutrons
B.Stop the chain reaction
C.Reflect the escaping neutrons back into the core
D.None of the above

Ans-C.Reflect the escaping neutrons back into the core

14. In a gas cooled reactor(GCR).......is used as moderator and coolant respectively
A.Heavy water and CO2
B.Graphite and CO2
C.Graphite and air
D.None of the above

Ans-B.Graphite and CO2

15. In a pressuried water reactor (PWR)........
A.The coolant water is pressurised to work as moderator
B.The coolant water boils in the core of the reactor
C.The coolant water is pressurised to prevent boiling of water in the core
D.None of the above

Ans-C.The coolant water is pressurised to prevent boiling of water in the core