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 particle initiates the fission process in a nuclear reactor?

Proton

Neutron

Electron

2 / 40

What is a potential environmental impact of nuclear energy?

Water scarcity

Radioactive waste

Air pollution

3 / 40

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

Hygrometer

Barometer

Geiger counter

4 / 40

Which type of reactor uses liquid metal as a coolant?

Pressurized Water Reactor (PWR)

Boiling Water Reactor (BWR)

Fast Breeder Reactor (FBR)

5 / 40

Which element is commonly used in nuclear fusion reactions?

Plutonium

Hydrogen

Uranium

6 / 40

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

Technological challenges

High radiation levels

High greenhouse gas emissions

7 / 40

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

Copper

Cadmium

Aluminum

8 / 40

Which treaty aims to prevent the spread of nuclear weapons?

Kyoto Protocol

Paris Agreement

Non-Proliferation Treaty (NPT)

9 / 40

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

Control rods

Reactor core

Turbine

10 / 40

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

Minimum mass required for a sustained chain reaction

Maximum mass of a nucleus

Average mass of an isotope

11 / 40

What is the main component of nuclear waste?

Spent fuel rods

Carbon dioxide

Sulfur dioxide

12 / 40

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

Maintenance and safety

Low demand for electricity

Fuel shortage

13 / 40

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

Becquerel

Curie

Sievert

14 / 40

Which of these particles has the highest penetration power?

Beta particles

Gamma rays

Alpha particles

15 / 40

Which of the following is a fusion reaction?

Deuterium + Tritium → Helium

Plutonium + Neutron → Neptunium

Uranium-235 + Neutron → Barium

16 / 40

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

Krypton

Neon

Carbon

17 / 40

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

Uranium-235

Uranium-238

Uranium-233

18 / 40

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

Gamma rays

Alpha particles

Beta particles

19 / 40

Which nuclear accident occurred in 1986 in Ukraine?

Three Mile Island

Fukushima

Chernobyl

20 / 40

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

USA

France

Russia

21 / 40

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

High initial cost

Low greenhouse gas emissions

Long-term waste management

22 / 40

What is the main byproduct of nuclear fission?

Water

Oxygen

Heat

23 / 40

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

Release energy

Absorb neutrons

Generate electricity

24 / 40

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

Gas turbines

Steam turbines

Diesel generators

25 / 40

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

House the turbines

Store fuel rods

Prevent release of radiation

26 / 40

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

Primary fission

Secondary fission

Tertiary fission

27 / 40

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

Fusion

Fission

Radioactivity

28 / 40

What is the primary fuel used in nuclear reactors?

Uranium

Coal

Natural Gas

29 / 40

What is the process of splitting a nucleus called?

Fission

Fusion

Radioactivity

30 / 40

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

Time taken for half the radioactive atoms to decay

Time taken for a substance to heat up

Time taken for a reaction to start

31 / 40

Which type of nuclear reactor is most common worldwide?

Boiling Water Reactor (BWR)

Pressurized Water Reactor (PWR)

Fast Breeder Reactor (FBR)

32 / 40

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

Remove heat

Slow down neutrons

Absorb neutrons

33 / 40

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

They are recycled

They become radioactive waste

They evaporate

34 / 40

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

Fusion

Decay

Fission

35 / 40

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

Centrifugation

Filtration

Evaporation

36 / 40

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

Increase neutron speed

Absorb neutrons

Slow down neutrons

37 / 40

What is the primary safety concern with nuclear reactors?

Radioactive leaks

Fossil fuel depletion

Greenhouse gas emissions

38 / 40

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

Condenser

Core

Turbine

39 / 40

Which country has the largest number of operational nuclear reactors?

USA

France

China

40 / 40

What is a key challenge in managing nuclear waste?

Low energy output

High water usage

Long-term storage

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