Coolant used in a fast breeder reactor is

The breeding gain in case of thermal breeder reactor as compared to fast breeder reactor is

A

Same

B

Lower

C

Higher

D

Unity

Molten sodium is used as a coolant in a fast breeder reactor, because of its

A

Excellent moderating properties

B

Neutron breeding capability

C

Faster heat removal capability from the core

D

Capability to increase the reaction rate in the core

Use of molten metal as a coolant in fast breeder reactor helps in

A

Rapid heat transfer from the core

B

Accelerating the reaction rate in the core

C

Breeding neutrons

D

Accelerating the neutrons

Molten sodium (as a coolant in fast breeder reactor)

A

can't attain high temperature at normal pressure

B

is not at all corrosive even at a higher temperature

C

is highly radioactive at elevated temperature & can cause explosion when it comes in contact with air or water

D

none of these

A thermal nuclear reactor compared to a fast breeder reactor

A

Uses slower neutrons for fission

B

Uses faster neutrons for fission

C

Gives higher power density

D

Requires less fuel to run at the same power level

__________ moderator is used in a fast breeder reactor.

A

Heavy water

B

Graphite

C

No

D

Beryllium

The energy produced by a thermal reactor of same size as a breeder reactor is

A

Almost same

B

Slightly more

C

Slightly less

D

Much less

A fast breeder reactor

A

Uses graphite rods as moderator

B

Has powerful moderator

C

Has no moderator

D

Uses ferrite material as moderator

A fast breeder reactor uses

A

90% U₂₃₅

B

U₂₃₈

C

U₂₃₅

D

Pu₂₃₉

Fast breeder reactor uses

A

Boiler

B

Direct cycle of coolant system

C

Double circuit system of coolant cycle

D

Multi passes system

Coolant used in a fast breeder reactor is

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