Nuclear Energy MCQs with Answers

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Nuclear Energy Online Quiz

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• Test Name: Nuclear Energy MCQ Quiz Practice
• Type: Quiz Test
• Total Questions: 40
• Total Marks: 40
• Time: 40 minutes

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Nuclear Energy

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1 / 40

What is the term for the splitting of a heavy nucleus into lighter nuclei?

Fission

Fusion

Decay

2 / 40

Which country was the first to develop and use nuclear power for electricity generation?

USA

France

Russia

3 / 40

What is the purpose of a containment building in a nuclear power plant?

Store fuel rods

House the turbines

Prevent release of radiation

4 / 40

What is a potential environmental impact of nuclear energy?

Air pollution

Radioactive waste

Water scarcity

5 / 40

Which country has the largest number of operational nuclear reactors?

USA

China

France

6 / 40

Which type of reactor uses liquid metal as a coolant?

Boiling Water Reactor (BWR)

Fast Breeder Reactor (FBR)

Pressurized Water Reactor (PWR)

7 / 40

What does a nuclear power plant primarily use to generate electricity?

Diesel generators

Gas turbines

Steam turbines

8 / 40

What does the term "critical mass" refer to in nuclear physics?

Maximum mass of a nucleus

Average mass of an isotope

Minimum mass required for a sustained chain reaction

9 / 40

What is the main component of nuclear waste?

Carbon dioxide

Sulfur dioxide

Spent fuel rods

10 / 40

What does the term "half-life" refer to in nuclear physics?

Time taken for a substance to heat up

Time taken for a reaction to start

Time taken for half the radioactive atoms to decay

11 / 40

What is the primary purpose of a control rod in a nuclear reactor?

Absorb neutrons

Generate electricity

Release energy

12 / 40

What type of radiation is composed of 2 protons and 2 neutrons?

Beta particles

Gamma rays

Alpha particles

13 / 40

What unit is used to measure radiation dose absorbed by the human body?

Sievert

Becquerel

Curie

14 / 40

In which part of the nuclear reactor does the fission reaction occur?

Core

Condenser

Turbine

15 / 40

Which element is produced as a byproduct in a nuclear fission reaction?

Krypton

Neon

Carbon

16 / 40

What is the process of splitting a nucleus called?

Fusion

Radioactivity

Fission

17 / 40

What is the term for the combining of two light atomic nuclei to form a heavier nucleus?

Fission

Radioactivity

Fusion

18 / 40

Which nuclear accident occurred in 1986 in Ukraine?

Chernobyl

Three Mile Island

Fukushima

19 / 40

What is the name of the device used to measure radiation levels?

Hygrometer

Geiger counter

Barometer

20 / 40

Which treaty aims to prevent the spread of nuclear weapons?

Paris Agreement

Kyoto Protocol

Non-Proliferation Treaty (NPT)

21 / 40

What is the primary purpose of a coolant in a nuclear reactor?

Remove heat

Slow down neutrons

Absorb neutrons

22 / 40

What happens to the fuel rods after they are used in a nuclear reactor?

They are recycled

They become radioactive waste

They evaporate

23 / 40

What is the main advantage of nuclear energy over fossil fuels?

Long-term waste management

Low greenhouse gas emissions

High initial cost

24 / 40

What is the primary fuel used in nuclear reactors?

Natural Gas

Uranium

Coal

25 / 40

Which of these particles has the highest penetration power?

Beta particles

Alpha particles

Gamma rays

26 / 40

What particle initiates the fission process in a nuclear reactor?

Neutron

Electron

Proton

27 / 40

What is the main disadvantage of nuclear fusion as an energy source currently?

High radiation levels

Technological challenges

High greenhouse gas emissions

28 / 40

Which element is commonly used in nuclear fusion reactions?

Uranium

Hydrogen

Plutonium

29 / 40

What is the primary reason for the shutdown of nuclear reactors?

Maintenance and safety

Fuel shortage

Low demand for electricity

30 / 40

Which of the following is a fusion reaction?

Plutonium + Neutron → Neptunium

Deuterium + Tritium → Helium

Uranium-235 + Neutron → Barium

31 / 40

What type of uranium isotope is most commonly used in nuclear reactors?

Uranium-233

Uranium-235

Uranium-238

32 / 40

What is the name of the process used to enrich uranium?

Filtration

Evaporation

Centrifugation

33 / 40

What is the term for the initial splitting of a nucleus in a fission chain reaction?

Tertiary fission

Primary fission

Secondary fission

34 / 40

What is a key challenge in managing nuclear waste?

Long-term storage

Low energy output

High water usage

35 / 40

What is the primary safety concern with nuclear reactors?

Fossil fuel depletion

Radioactive leaks

Greenhouse gas emissions

36 / 40

What is the main byproduct of nuclear fission?

Oxygen

Heat

Water

37 / 40

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

Absorb neutrons

Increase neutron speed

Slow down neutrons

38 / 40

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

Aluminum

Cadmium

Copper

39 / 40

Which type of nuclear reactor is most common worldwide?

Fast Breeder Reactor (FBR)

Boiling Water Reactor (BWR)

Pressurized Water Reactor (PWR)

40 / 40

Which part of a nuclear reactor converts thermal energy into mechanical energy?

Turbine

Control rods

Reactor core

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