Top 10 Nuclear Power Plant MCQs

1. 1 kg of Uranium can produce energy as much as:

1. 20 kg coal
2. 200 kg coal
3. 5000 kg coal
4. 10000 kg coal

Correct answer: 4

Source: https://www.euronuclear.org/info/encyclopedia/f/fuelcomparison.htm

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2. Fission reaction takes place in:

1. Turbine
2. Reactor
3. Heat exchanger
4. Alternator

Correct answer: 2

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3. The correct statement about a standalone nuclear reactor supplying power to varying loads:

1. It is most efficient of all plants
2. It is slightly less efficient than a coal-fired power plant
3. It is inefficient
4. None of the above

Correct answer: 3

A nuclear reactor can’t efficiently respond to load fluctuation an is thus inefficient for varying load condition

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4. Nuclear fuel can stay in reactor for as long as:

1. 5 hours only
2. 5 weeks
3. 5 months
4. 5 years

Correct answer: 4

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5. Number of atoms in 5 kg of U235 fuel is:

1. 2.35 * 2²⁶
2. 1.28 * 10²⁵
3. 2.56 * 9⁹⁹
4. 2200 * 9⁹⁹

Correct answer: 2

Number of atoms = 5 kg / 235 * 6.023 * 10²⁶

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6. The overall efficiency of a nuclear power plant is:

1. 10 – 20%
2. 20 – 30%
3. 30 – 40%
4. 40 – 50%

Correct answer: 3

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7. Type of turbine used in a nuclear power plant:

1. Hydro
2. Steam
3. Gas
4. None of above

Correct answer: 2. Steam

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8. The most popular type of moderator used in nuclear power plants:

1. Light water
2. Heavy water
3. Graphite
4. None of above

Correct answer: 1

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9. Water temperature and pressure in steam generator vessel should be less than reactor coolant temperature and pressure.

Above statement is:

1. Completely correct
2. Completely wrong
3. Correct about temperature only
4. Correct about pressure only

Correct answer: 1

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10. NRC stands for:

1. Nuclear regulatory commission
2. Nuclear recycling control
3. Nuclear record
4. Nuclear recurring charge

Correct answer: 1