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.

Enriched uranium is one in which__________________?

A %age of U235 has been artificially in-creased

B %age of U has been artificially increased

C %age of U234 has been artificially in-creased

D extra energy is pumped from outside

Review Detailed Answer

Correct Answer: %age of U235 has been artificially in-creased

Which of the following are ferrite materials__________________?

A U233andPu239

B U

C U238andPu239

D U238andTh239

Review Detailed Answer

Correct Answer: U

The main interest of shielding in nuclear reactor is protection against_______________?

A X-rays

B infra-red rays

C a, P, and y rays

D neutrons and gamma rays

Review Detailed Answer

Correct Answer: neutrons and gamma rays

Moderator in nuclear plants is used to__________________?

A reduce temperature

B extract heat from nuclear reaction

C control the reaction

D cause collision with the fast moving neutrons to reduce their speed

Review Detailed Answer

Correct Answer: cause collision with the fast moving neutrons to reduce their speed

The nuclear energy is measured as__________________?

A MeV

B curie

C farads

D MW

Review Detailed Answer

Correct Answer: MeV

Amongst the following, the fissionable materials are________________?

A U233andPu239

B U23iandPu233

C U235andPu235

D U238andPu239

Review Detailed Answer

Correct Answer: U233andPu239

Isotopes of same elements have___________________?

A same atomic number and different masses

B same chemical properties but different atomic numbers

C different masses and different atomic numbers

D different chemical properties and same atomic numbers

Review Detailed Answer

Correct Answer: same chemical properties but different atomic numbers

The efficiency of a nuclear power plant in comparsion to a conventional thermal power plant is________________?

A same

B more

C less

D may be less or mote depending on size

Review Detailed Answer

Correct Answer: less

Which of the following nuclear reactor does not need a heat exchanger for generation of steam____________________?

A gas cooled

B liquid metal cooled

C pressurised water

D boiling water

Review Detailed Answer

Correct Answer: boiling water

Fast breeder reactor uses___________________?

A boiler

B direct cycle of coolant system

C double circuit system of coolant cycle

D multi pass system

Review Detailed Answer

Correct Answer: double circuit system of coolant cycle

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Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

All Topics 1919

All Topics 1919

Enriched uranium is one in which__________________?

Which of the following are ferrite materials__________________?

The main interest of shielding in nuclear reactor is protection against_______________?

Moderator in nuclear plants is used to__________________?

The nuclear energy is measured as__________________?

Amongst the following, the fissionable materials are________________?

Isotopes of same elements have___________________?

The efficiency of a nuclear power plant in comparsion to a conventional thermal power plant is________________?

Which of the following nuclear reactor does not need a heat exchanger for generation of steam____________________?

Fast breeder reactor uses___________________?