NUCLEAR POWER ENGINEERING QUIZ

Fission of U-235 on slow neutron bombardment can be represented by

92U235 + 0n1 → 56Ba143 + 36Kr90 + 3 0n1 + Q (energy)

92U235 + 0n1 → 56Ba143 + 36Kr90 + 3 0n1

92U235 + 0n1 → 92U236 + 3 0n1+ Q (energy)

92U235 + 0n1 → 56Ba143 + 36Kr90

TRUE ANSWER : ?
YOUR ANSWER : ?

Atoms with same number of neutrons, but different number of nucleons are called

Isotones

Isotopes

Isoters

Isobars

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The molecular weight of heavy water is

18

20

36

10

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YOUR ANSWER : ?

Which of the following is a non-fissile material?

Uranium⁻²35

Plutonium⁻²39

Thorium⁻²32

Uranium⁻²33

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YOUR ANSWER : ?

Which of the following is not an ore of uranium?

Rescolite

Carnotite

Kyanite

Pitchblende

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Which of the following reactors is operated at high neutron flux and low power level?

Research reactor

Heterogeneous reactor

Breeder reactor

Liquid metal (e.g., molten sodium) cooled reactor

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An element having large number of __________ is most easily subjected to nuclear fission.

Nucleons

Electrons

Neutrons

Protons

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Graphite is used in nuclear reactor as

Lubricant

Retarder of neutron velocity

Fuel

Insulation lining of the reactor

TRUE ANSWER : ?
YOUR ANSWER : ?

Sodium melts (at atmospheric pressure) at a temperature of __________ °C.

58

348

98

588

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Thermal shield is used in high powered nuclear reactors to

Absorb the fast neutrons

Protect the walls of the reactor from radiation damage

Protect the fuel element from coming in contact with the coolant

Slow down the secondary neutrons

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YOUR ANSWER : ?