As of November 2020, how many nuclear power reactors are operating in India?

A first order reaction is to be treated in a series of two mixed reactors. The total volume of the two reactors is minimum, when the reactors are

A

Equal in size

B

Of different sizes

C

Of such size that the ratio of their volumes is

D

None of these

Which of the following nuclear reactors is the most efficient thermodynamically while operating between the same temperature and pressure limits of the reactor?

A

Molten sodium cooled

B

CO₂ gas cooled

C

Pressurised water

D

Boiling water

According to the history of the Ruppur Nuclear Power Station Bangladesh first conceived of building a nuclear power plant in-

A

1961

B

1981

C

1996

D

2011

Which of the following types of nuclear reactors is most prone to radioactive hazards?

A

Gas cooled reactor

B

Molten Sodium Reactor

C

Boiling water reactor

D

Pressurised water reactor

Which is the most commonly used molten metal for cooling of nuclear reactors?

A

Zinc

B

Sulphur

C

Sodium

D

Manganese

Nuclear fuel generally used in reactors is uranium oxide instead of uranium, because the former has higher

A

Melting point, hence can be subjected to higher temperature

B

Density ; hence core volume for a given power output would be smaller

C

Resistance to effects of irradiation

D

All of the above

Heavy water used in the nuclear reactors to slow down the speed of neutrons is

A

Highly purified water

B

A compound of oxygen and deuterium

C

Water having dissolved salts of heavy metals

D

None of these

The control rods in the control system of nuclear reactors are used to

A

Absorb excess neutrons

B

Control fuel consumption

C

Control temperature

D

All of these

Nuclear reactors are used

A

To produce heat for thermoelectric power

B

To produce fissionable material

C

To propel ships, submarines, aircrafts

D

All of these

Gas cooling as compared to water cooling of nuclear reactors

A

Can not attain a high temperature

B

Is more efficient as gas has a higher specific heat

C

Can produce only saturated steam for feeding to power turbine

D

None of these

As of November 2020, how many nuclear power reactors are operating in India?

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