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Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

Mechanical Engineering MCQs prepared for job test and interview preparation, especially for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover key topics such as Machine Design, Theory of Machines, Hydraulic Machines, and other important mechanical engineering concepts.

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

Review Detailed Answer

Correct Answer: does not absorb neutrons

Solid- fuel for nuclear reactions may be fabricated into various small shapes such as___________________?

A plates

B pallets

C pins

D any one of the above

Review Detailed Answer

Correct Answer: any one of the above

Reactors designed for propulsion applications are designed for_______________?

A natural uranium

B enriched uranium

C pure uranium

D any type of uranium

Review Detailed Answer

Correct Answer: enriched uranium

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

Review Detailed Answer

Correct Answer: exactly balanced by the loss of neutrons through leakage

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

Review Detailed Answer

Correct Answer: at a higher rate than the constuption

Supertheated steam is generated in following reactor________________?

A boiling water

B gas cooled

C pressurised water

D all of the above

Review Detailed Answer

Correct Answer: gas cooled

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

Review Detailed Answer

Correct Answer: 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

Review Detailed Answer

Correct Answer: chain reaction can be initiated

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

A fast

B slow

C in bulk

D static

Review Detailed Answer

Correct Answer: slow

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

Review Detailed Answer

Correct Answer: transfers heat from core at a fast rate

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Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

All Topics 1919

All Topics 1919

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

Solid- fuel for nuclear reactions may be fabricated into various small shapes such as___________________?

Reactors designed for propulsion applications are designed for_______________?

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

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

Supertheated steam is generated in following reactor________________?

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

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

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

Breeder reactors employ liquid metal coolant because it_______________?