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.

Lancing is the operation of _________________?

A cutting a sheet of metal through part of its length and then bending the cut portion

B removal of metal to the desired shape from the edge of a plate

C cutting a sheet of metal in a straight line along the length

D bending a sheet of metal along a curved axis

Review Detailed Answer

Correct Answer: cutting a sheet of metal through part of its length and then bending the cut portion

The cold working of metals is carried out_________________?

A below the recrystallisation temperature

B at the recrystallisation temperature

C at any temperature

D above the recrystallisation temperature

Review Detailed Answer

Correct Answer: below the recrystallisation temperature

A neutral flame is obtained by supplying___________________?

A more volume of acetylene and less volume of oxygen

B equal volumes of oxygen and acetylene

C more volume of oxygen and less volume of acetylene

D none of the above

Review Detailed Answer

Correct Answer: equal volumes of oxygen and acetylene

In a _____________ , both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram?

A progressive die

B simple die

C compound die

D combination die

Review Detailed Answer

Correct Answer: combination die

A file removes the metal during___________________?

A both forward and return strokes

B forward stroke

C return stroke

D none of these

Review Detailed Answer

Correct Answer: forward stroke

The mass number of a substance represents the sum of total number of___________________?

A protons and neutrons in an atom

B protons and electrons in an atom

C neutrons and electrons in an atom

D protons and neutrons in a nucleus

Review Detailed Answer

Correct Answer: protons and neutrons in a nucleus

The process by which a heavy nucleus is splitted into two light nuclei is known as_________________?

A splitting

B fission

C fusion

D disintegration

Review Detailed Answer

Correct Answer: fission

A nuclear fission produces energy of following order in MeV___________________?

A 20

B 200

C 2000

D 20,000

Review Detailed Answer

Correct Answer: 20

The breeding gain in case of thermal breeder reactor as compared to fast breeder reactor is________________?

A same

B lower

C higher

D unity

Review Detailed Answer

Correct Answer: lower

Which of the following is the heaviest________________?

A neutron

B proton

C atom

D electron

Review Detailed Answer

Correct Answer: atom

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Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

All Topics 1919

All Topics 1919

Lancing is the operation of _________________?

The cold working of metals is carried out_________________?

A neutral flame is obtained by supplying___________________?

In a _____________ , both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram?

A file removes the metal during___________________?

The mass number of a substance represents the sum of total number of___________________?

The process by which a heavy nucleus is splitted into two light nuclei is known as_________________?

A nuclear fission produces energy of following order in MeV___________________?

The breeding gain in case of thermal breeder reactor as compared to fast breeder reactor is________________?

Which of the following is the heaviest________________?