Mechanical Engineering Mcqs
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

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

Supertheated steam is generated in following reactor________________?

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

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

When a reactor becomes critical, then the production of neutrons is_________________?

A. Infinite
B. Zero
C. Exactly balanced by the loss of neutrons through leakage
D. Initiated

Reactors designed for propulsion applications are designed for_______________?

A. Natural uranium
B. Enriched uranium
C. Pure uranium
D. Any type of uranium

Which of the following is more appropriate for a moderator. One which_________________?

A. Does not absorb neutrons
B. Absorbs neutrons
C. Accelerates neutrons
D. Eats up neutrons