NUCLEAR POWER ENGINEERING QUIZ

Critical mass is the minimum mass of nuclear fissile material required for the

Sustainment of chain reaction

Economic power generation

None of these

Power generation on commercial scale

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Coolant used in a fast breeder reactor is

Molten sodium

Ordinary water

Helium

Heavy water

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Fast breeder Test Reactor (FBTR) is located at

Kota (in Rajasthan)

Tarapur (in Maharashtra)

BARC (Trombay)

Kalpakkam (near Madras)

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Coolant used in a boiling water reactor is

Steam

Water

A mixture of water & steam

Hydrogen gas

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Which of the following is a non-fissile material?

Plutonium⁻²39

Uranium⁻²35

Uranium⁻²33

Thorium⁻²32

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Which of the following nuclear materials is fissile?

Plutonium⁻²39

Thorium⁻²32

None of these

Uranium⁻²38

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Pressure in a Pressurised Water Reactor (PWR) is used for

Maintaining constant pressure in the primary cooling circuit under varying loads

None of these

Pressurising the water in the primary coolant circuit

Superheating the steam

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Thermal neutrons which are used to cause the fission of U-235 have energy __________ eV.

1-25

> 200

> 1

< 0.025

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The phenomenon of nuclear fission is opposite to that of

Radioactive decay

Thermionic emission

Nuclear fusion

Combustion

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Molten sodium is used as a coolant in a fast breeder reactor, because of its

Neutron breeding capability

Excellent moderating properties

Capability to increase the reaction rate in the core

Faster heat removal capability from the core

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