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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.

The energy absorbed in a body, when it is strained within the elastic limits, is known as________________?

A strain energy

B resilience

C proof resilience

D modulus of resilience

Review Detailed Answer

Correct Answer: strain energy

The value of Poisson’s ratio for cast iron is_________________?

A 0.1 to 0.2

B 0.23 to 0.27

C 0.25 to 0.33

D 0.4 to 0.6

Review Detailed Answer

Correct Answer: 0.23 to 0.27

Flow stress corresponds to___________________?

A fluids in motion

B breaking point

C plastic deformation of solids

D rupture stress

Review Detailed Answer

Correct Answer: plastic deformation of solids

The stress at which extension of the material takes place more quickly as compared to the increase in load is called______________?

A elastic point of the material

B plastic point of the material

C breaking point of the material

D yielding point of the material

Review Detailed Answer

Correct Answer: yielding point of the material

Rupture stress is________________?

A breaking stress

B maximum load/original cross-sectional area

C load at breaking point/A

D load at breaking point/neck area

Review Detailed Answer

Correct Answer: load at breaking point/neck area

In the tensile test, the phenomenon of slow extension of the material, i. e. stress increasing with the time at a constant load is called_____________?

A creeping

B yielding

C breaking

D plasticity

Review Detailed Answer

Correct Answer: creeping

In a tensile test, near the elastic limit zone, the______________?

A tensile strain increases more quickly

B tensile strain decreases more quickly

C tensile strain increases in proportion to the stress

D tensile strain decreases in proportion to the stress

Review Detailed Answer

Correct Answer: tensile strain increases more quickly

The property of a material by virtue of which it can be beaten or rolled into plates is called _________________?

A malleability

B ductility

C plasticity

D elasticity

Review Detailed Answer

Correct Answer: malleability

Poisson’s ratio is defined as the ratio of_________________?

A longitudinal stress and longitudinal strain

B longitudinal stress and lateral stress

C lateral stress and longitudinal stress

D lateral stress and lateral strain

Review Detailed Answer

Correct Answer: lateral stress and longitudinal stress

The property of a material by virtue of which a body returns to its original, shape after removal of the load is called____________________?

A plasticity

B elasticity

C ductility

D malleability

Review Detailed Answer

Correct Answer: elasticity

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Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

All Topics 1919

All Topics 1919

The energy absorbed in a body, when it is strained within the elastic limits, is known as________________?

The value of Poisson’s ratio for cast iron is_________________?

Flow stress corresponds to___________________?

The stress at which extension of the material takes place more quickly as compared to the increase in load is called______________?

Rupture stress is________________?

In the tensile test, the phenomenon of slow extension of the material, i. e. stress increasing with the time at a constant load is called_____________?

In a tensile test, near the elastic limit zone, the______________?

The property of a material by virtue of which it can be beaten or rolled into plates is called _________________?

Poisson’s ratio is defined as the ratio of_________________?

The property of a material by virtue of which a body returns to its original, shape after removal of the load is called____________________?