NUCLEAR POWER ENGINEERING QUIZ

Primary purpose of a __________ nuclear reactor is to supply a high neutron flux of the order of 10¹³ to 10¹⁴ neutrons/cm² second.

Power

Homogeneous

Research

Breeder

TRUE ANSWER : ?
YOUR ANSWER : ?

The disintegration rate of a radioactive element

Progressively decreases

Remains constant throughout

May increase or decrease depending on the material

Progressively increases

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is a non-fissile material?

Plutonium⁻²39

Uranium⁻²35

Thorium⁻²32

Uranium⁻²33

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is not used as a moderator in nuclear reactor?

Boron hydride

Molten sodium

Light water

Beryllium

TRUE ANSWER : ?
YOUR ANSWER : ?

In the nuclear reaction, 93N239 → 93Pu239 + ?; the missing particle is a/an

Neutron

Electron

Position

Proton

TRUE ANSWER : ?
YOUR ANSWER : ?

β-rays emission in radioactive disintegration is always accompanied by the emission of

Neutrons

None of these

γ-rays

α-rays

TRUE ANSWER : ?
YOUR ANSWER : ?

Heat is generated in a nuclear reactor (thermal) by

Combustion of a nuclear fuel e.g. uranium

Absorption of neutrons in uranium atoms

Fusion of atoms of uranium

Fission of U-235 by neutrons

TRUE ANSWER : ?
YOUR ANSWER : ?

Fast breeder nuclear reactors using enriched uranium as fuel may contain upto a maximum of __________ percent of U-235 (i.e. fissile material).

45

85

15

65

TRUE ANSWER : ?
YOUR ANSWER : ?

Heavy water plant is not located at

Kota

Tuticorin

Ramagundam

Talcher

TRUE ANSWER : ?
YOUR ANSWER : ?

The atomic number of a radioactive element is not changed, when it emits __________ rays.

α

γ

α & β

β

TRUE ANSWER : ?
YOUR ANSWER : ?

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