In the breeder reactors the generation of new fissionable atom is_________________?

A. At the lower rate than the consumption
B. At a higher rate than the constuption
C. At an equal rate of the consumption
D. Depends on other considerations

Supertheated steam is generated in following reactor________________?

A. Boiling water
B. Gas cooled
C. Pressurised water
D. All of the above

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

The size of the reactor is said to be critical when_________________?

A. Chain reaction can be initiated
B. It becomes uncontrollable
C. It explodes
D. It produces no power

In triggering fission, which type of neutrons are more effective_________________?

A. Fast
B. Slow
C. In bulk
D. Static

Breeder reactors employ liquid metal coolant because it_______________?

A. Acts as good moderator
B. Produces maximum steam
C. Transfers heat from core at a fast rate
D. Breeds neutrons

Reactors for propulsion applications use_________________?

A. Natural uranium
B. Molten lead
C. Any form of uranium
D. Thorium

A pressurised water reactor employs pressuriser for the following application________________?

A. To maintain constant pressure in primary circuit under varying load
B. To supply high pressure steam
C. To increase pressure of water in primary circut
D. To provide subcooled water at high pressure

The function of control rods in nuclear plants is to__________________?

A. Control temperature
B. Control readioactive pollution
C. Control absorption of neutron
D. Control fuel consumption

Which of the following can be used as a coolant in nuclear plant________________?

A. Light or heavy water
B. Molten lead
C. Carbon dioxide
D. Freon