Nuclear Power Plant - Nuclear Power plant Objective Questions and Answers

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

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

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

14. In a gas cooled rector(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

15. Ina 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

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