Nuclear Power Engineering MCQs

Question 1

The main purpose of control rod in a nuclear reactor is to control the

Accepted Answer

Chain reaction and hence the power output by regulating the number of secondary neutrons causing fission

Answer

Emission of hazardous radiation

Answer

Conversion of fissile material into fertile material

Answer

Velocity of the secondary neutrons

Question 2

The number of neutrons in the nucleus of Uranium-233 ( 92 U 233 ) is

Accepted Answer

141

Answer

92

Answer

233

Answer

325

Question 3

Nuclear power generation capacity in India is

Accepted Answer

3000 MW

Answer

10000 MW

Answer

More than hydroelectric power generation capacity

Answer

More than thermal power generation capacity

Question 4

In β-decay of radioactive material, the ratio of neutron to proton

Accepted Answer

Decreases

Answer

Increases

Answer

Remains same

Answer

Is unpredictable may increase or decrease

Question 5

Hydrogen has __________ isotopes.

Accepted Answer

Three

Answer

No

Answer

One

Answer

Two

Question 6

Research reactors are normally meant for

Accepted Answer

Producing high neutron flux 10 12 - 10 13 neutrons/cm 2 , sec and studying the effect of neutron bombardment on dif ferent materials

Answer

Accelerating the neutrons

Answer

Power generation

Answer

None of these

Question 7

The half life period of a radioactive element depends upon the

Accepted Answer

None of these

Answer

Temperature

Answer

Pressure

Answer

Amount of element present

Question 8

In the nuclear reaction, 93 N 239 → 93 Pu 239 + ?; the missing particle is a/an

Accepted Answer

Electron

Answer

Proton

Answer

Neutron

Answer

Position

Question 9

Isotopes of an element have different

Accepted Answer

Mass number

Answer

Electronic configuration

Answer

Nuclear charge

Answer

Chemical properties