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.

A boiling water reactor uses following as fuel________________?

A enriched uranium

B plutonium

C thorium

D U

Review Detailed Answer

Correct Answer: enriched uranium

In nuclear fission___________________?

A the original elements change into completely different elements

B the electrons of the element change

C the molecules rearrange themselves to form other molecules

D none of the above

Review Detailed Answer

Correct Answer: the original elements change into completely different elements

For economical operation of a nuclear plant__________________?

A used fuel should be reprocessed

B moderator should be used

C coolant should be employed

D control rods should be used

Review Detailed Answer

Correct Answer: used fuel should be reprocessed

Each fission of U235 produces following number of fast neutrons per fission________________?

A 1 neutron

B 1 — neutrons

C 1 – 2 neutrons

D 2 — neutrons

Review Detailed Answer

Correct Answer: 2 — neutrons

A fast breeder reactor__________________?

A uses graphite rods as moderator

B has powerful moderator

C has no moderator

D uses ferrite material as moderator

Review Detailed Answer

Correct Answer: has no moderator

A fast breeder reactor uses following as fuel_________________?

A enriched uranium

B plutonium

C thorium

D U235

Review Detailed Answer

Correct Answer: U235

In boiling water reactor, moderator is__________________?

A coolant itself

B ferrite rod

C graphite rod

D liquid sodium metal

Review Detailed Answer

Correct Answer: coolant itself

Pressurised water reactor is designed________________?

A for boiling pi water in the core

B to use liquid sodium metal as coolant

C to use intermediate coolant

D to prevent the water coolant from boiling in the core

Review Detailed Answer

Correct Answer: to prevent the water coolant from boiling in the core

A fast breeder reactor uses_______________?

A 90% U-235

B U-238

C U-235

D Pu-239

Review Detailed Answer

Correct Answer: 90% U-235

Effective moderators are those materials which contain____________________?

A light weight atoms

B heavy weight atoms

C critical atoms

D zero weight atoms

Review Detailed Answer

Correct Answer: light weight atoms

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Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

All Topics 1919

All Topics 1919

A boiling water reactor uses following as fuel________________?

In nuclear fission___________________?

For economical operation of a nuclear plant__________________?

Each fission of U235 produces following number of fast neutrons per fission________________?

A fast breeder reactor__________________?

A fast breeder reactor uses following as fuel_________________?

In boiling water reactor, moderator is__________________?

Pressurised water reactor is designed________________?

A fast breeder reactor uses_______________?

Effective moderators are those materials which contain____________________?