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Mechanical Engineering Objective Questions { Nuclear Power Plants }

64. 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

65. Breeder reactors employ liquid metal coolant because it
A.Acts as good moderator
B.Produces maximum steam
C.Transfers heat from core at a fast rate
D.Breeds neutrons

66. The nuclear power plant at Tarapur has the following reactor
A.Fast breeder
B.Pressurised water
C.Boiling water
D.Sodium graphite

67. The fuel needed, with reflector in nuclear power plant, in order to generate sufficient neutrons to sustain a chain reaction, would be

68. 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 neutrons

69. The fast breeder reactor uses the following moderator
A.De-mineralised water
B.No moderator is used
C.Heavy water

70. A fission chain reaction in uranium can be developed by
A.Slowing down fast neutrons so that U235 fission continues by slow motion neutrons
B.Accelerating fast neutrons
C.Absorbing all neutrons
D.Using moderator

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