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.

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

Reactors for propulsion applications use_________________?

A natural uranium

B molten lead

C any form of uranium

D thorium

Review Detailed Answer

Correct Answer: molten lead

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

Review Detailed Answer

Correct Answer: to maintain constant pressure in primary circuit under varying load

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

Review Detailed Answer

Correct Answer: control absorption of neutron

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

Review Detailed Answer

Correct Answer: light or heavy water

Which of the following is the primary fuel________________?

A Ulii

B U

C U238

D Pu:

Review Detailed Answer

Correct Answer: U

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Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

All Topics 1919

All Topics 1919

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_______________?

Reactors for propulsion applications use_________________?

A pressurised water reactor employs pressuriser for the following application________________?

The function of control rods in nuclear plants is to__________________?

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

Which of the following is the primary fuel________________?