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Nuclear Reactor - Understanding how it works

Total questions: 1

Worksheet time: 10mins

Name
Class
Date
1-15.
1.

What is the main source of intense heat in a nuclear reactor?

a)

Uranium-235

b)

Control rods

c)

Fossil fuels

d)

Coal

2.

What is the function of a moderator in a nuclear reactor?

a)

To speed up the energy neutrons

b)

To absorb spare neutrons

c)

To slow down the energy neutrons

d)

To control the rate of fission reactions

3.

What is the shape of fuel elements in a nuclear reactor?

a)

Cylindrical shape

b)

Spherical shape

c)

Thick rods

d)

Thin rods

4.

What is the purpose of control rods in a nuclear reactor?

a)

To absorb spare neutrons

b)

To control the rate of fission reactions

c)

To speed up the energy neutrons

d)

To slow down the energy neutrons

5.

What is the function of the pump in a nuclear reactor?

a)

To circulate water in and out of the reactor core

b)

To control the rate of fission reactions

c)

To slow down the energy neutrons

d)

To absorb spare neutrons

6.

What is the role of the heat exchanger in a nuclear reactor?

a)

To absorb spare neutrons

b)

To convert heat energy into electrical energy

c)

To slow down the energy neutrons

d)

To convert steam into water

7.

What is the purpose of the shield around the nuclear reactor?

a)

To slow down the energy neutrons

b)

To absorb spare neutrons

c)

To control the rate of fission reactions

d)

To protect from radiation

8.

What is the function of the fuel elements in a nuclear reactor?

a)

To absorb spare neutrons

b)

To slow down the energy neutrons

c)

To produce fission reactions

d)

To control the rate of fission reactions

9.

What is the role of the steam in a nuclear reactor?

a)

To control the rate of fission reactions

b)

To drive the turbines

c)

To slow down the energy neutrons

d)

To absorb spare neutrons

10.

What is the purpose of using water as a moderator in nuclear reactors?

a)

To control the rate of fission reactions

b)

To slow down the energy neutrons

c)

To absorb spare neutrons

d)

To speed up the energy neutrons

11.

What is the capability of deuterons present in water used as a moderator?

a)

To speed up the energy neutrons

b)

To control the rate of fission reactions

c)

To slow down the energy neutrons

d)

To absorb spare neutrons

12.

What is the material commonly used for control rods in nuclear reactors?

a)

Boron

b)

Plutonium

c)

Uranium-235

d)

Cadmium

13.

What is the function of the control rods in a nuclear reactor?

a)

To control the rate of fission reactions

b)

To speed up the energy neutrons

c)

To slow down the energy neutrons

d)

To absorb spare neutrons

14.

What is the main purpose of a nuclear reactor?

a)

To generate electrical energy

b)

To absorb spare neutrons

c)

To slow down the energy neutrons

d)

To control the rate of fission reactions

15.

What is the role of the pump in a nuclear reactor?

a)

To slow down the energy neutrons

b)

To absorb spare neutrons

c)

To circulate water in and out of the reactor core

d)

To control the rate of fission reactions