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Mechanical Engineering :: Power Plant Engineering

  1. Reactors for propulsion applications use

  2. A.

     Natural uranium

    B.

     Molten lead

    C.

     Any form of uranium

    D.

     Thorium


  3. Reactors designed for propulsion applications are designed for

  4. A.

     Natural uranium

    B.

     Enriched uranium

    C.

     Pure uranium

    D.

     Any type of uranium


  5. Reactors for propulsion applications are designed for

  6. A.

     Any form of uranium

    B.

     Natural uranium

    C.

     Enriched uranium

    D.

     Plutonium


  7. The size of the reactor is said to be critical when

  8. A.

     Chain reaction can be initiated

    B.

     It becomes uncontrollable

    C.

     It explodes

    D.

     It produces no power


  9. Which of the following statement is correct regarding the features of a Breeder reactor?

  10. 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


  11. In fast breeder reactors

  12. A.

     Any type of moderator can be used

    B.

     Graphite is used as the moderator

    C.

     Heavy water is used as the moderator

    D.

     Moderator is dispensed with


  13. Pick up the wrong statement fast breeder reactors

  14. A.

     Operate at extremely high power densities

    B.

     Are liquid metal cooled

    C.

     Produce more fuel than they consume

    D.

     Use water as coolant


  15. In a thermal power plant, coal from the coal handling plant is moved to the boiler bunker through a

  16. A.

     Belt conveyor

    B.

     Bucket conveyor

    C.

     Fork lift truck

    D.

     Overhead crane


  17. A fission chain reaction in uranium can be developed

  18. A.

     By increasing the contents of U₂₃₅

    B.

     By slowing down fast neutrons so that U₂₃₅ fission continues by slow neutron

    C.

     Both (A) and (B)

    D.

     None of these


  19. The efficiency of a nuclear power plant in comparison to conventional and nuclear consideration is

  20. A.

     Higher cost of nuclear fuel

    B.

     High initial cost

    C.

     High heat rejection in condenser

    D.

     Lower temperature and pressure conditions