Nuclear Reactor

Q. What are the major challenges faced by a nuclear power plant?

1. Storage and disposal of nuclear waste
2. Decay of radioactive substances
3. Accidental leakage of radiation
4. All of the above.

Q. Which noble gas is used as a coolant in nuclear reactors?

1. Neon
2. Argon
3. Krypton
4. Helium

Q. Which among the following cities do not have a nuclear plant?

1. Madurai
2. Kundankulam
3. Kakrapar
4. Narora

Q.

Which actinides are man-made?

Q.

Nuclear Power Station In Uttar Pradesh Is Situated At (A)Narora. (B)Kanpur. (C)Mathura. (D)Lucknow.

Q.

Helium is used as a coolant, mostly in nuclear reactors.

1. True
2. False

Q. The walls of a nuclear reactor should be made of

1. steel
2. carbon
3. gold
4. aluminium

Q. Which of the following is used as a moderator?

1. Silicon
2. Phosphorus
3. Heavy water
4. Oxygen

Q. In nuclear reactors, heavy water is used as a :

1. projectile
2. moderator
3. arrester
4. fuel

Q. Which of the following hazards is not associated with a liquid metal breeder reactor (LMFBR)?

1. little fissionable material is formed
2. a sodium explosion occurs if it comes in contact with water
3. the plutonium by-product can be made into nuclear weapons and, therefore, poses a security risk
4. all of the above are hazards associated with the LMFBR

Q. Which among the following cities do not have a nuclear plant?

1. Kundankulam
2. Kakrapar
3. Madurai
4. Narora

Q. Where is the Tarapur atomic power station located?

1. Maharashtra
2. Tamilnadu
3. Karnataka
4. Rajasthan

Q. Which of the following options are correct regarding controlling the rate of nuclear reaction?

1. A smaller size of fuel will have controlled rate of nuclear fission reaction
2. Controlling the energy of neutrons affects the rate of nuclear fission reaction
3. A larger size of fuel has more probability of self-sustained chain reaction
4. The constituents of the nuclear fuel determine the rate of the chain reaction

Q.

The most common fuel used in the nuclear reactor is

1. Cadmium

2. Radium

3. Uranium

4. Thorium

Q.

1. true
2. false

Q. Which of the following is used as a moderator?

1. Silicon
2. Phosphorus
3. Heavy water
4. Oxygen

Q.

The velocity of neutrons in a nuclear reactor is slowed down by using:

1. heavy water $D_{2}O$

2. Zinc rod

3. ordinary water $H_{2}O$

4. fused caustic soda