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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.

Belt slip may occur due to________________?

A heavy load

B loose belt

C driving pulley too small

D all of the above

Review Detailed Answer

Correct Answer: all of the above

When a close coiled helical spring is compressed, its wire is subjected to________________?

A tension

B shear

C compression

D all of the above

Review Detailed Answer

Correct Answer: tension

Spring stiffness is__________________?

A ratio of coil diameter to wire diameter

B load required to produce unit deflection

C its capability of storing energy

D its ability to absorb shocks

Review Detailed Answer

Correct Answer: load required to produce unit deflection

The shearing stresses in the inner face as compared to outer face of the wire in a heavy close coiled spring is_________________?

A larger

B smaller

C equal

D larger/smaller depending on diameter of spring coil

Review Detailed Answer

Correct Answer: larger

Which of the following pipe joints would be suitable for pipes carrying steam_____________?

A flanged

B threaded

C bell and spigot

D expansion

Review Detailed Answer

Correct Answer: expansion

The edges of the plates for cylindrical vessels are usually bevelled to an angle of 80° for_________________?

A reducing stress concentration

B ease of manufacture

C safety

D fullering and caulking

Review Detailed Answer

Correct Answer: fullering and caulking

When a nut is tightened by plaping a washer below it, the bolt will be subjected to following type of loads___________________?

A compression

B tension

C shear

D combined loads

Review Detailed Answer

Correct Answer: tension

The shear plane in case of bolts should_________________?

A be across threaded portion of shank

B be parallel to axis of bolt

C be normal to threaded portion of shank

D never be across the threaded portion

Review Detailed Answer

Correct Answer: never be across the threaded portion

The strap end of a connecting rod of steam engine is joined by_________________?

A gib of cotter joint

B sleeve and cotter joint

C spigot socket cotter joint

D knuckle joint

Review Detailed Answer

Correct Answer: gib of cotter joint

In order to permit the thermal expansion/contraction of tubing, it should be______________?

A crimped

B honed

C flared

D bent

Review Detailed Answer

Correct Answer: bent

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Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

All Topics 1919

All Topics 1919

Belt slip may occur due to________________?

When a close coiled helical spring is compressed, its wire is subjected to________________?

Spring stiffness is__________________?

The shearing stresses in the inner face as compared to outer face of the wire in a heavy close coiled spring is_________________?

Which of the following pipe joints would be suitable for pipes carrying steam_____________?

The edges of the plates for cylindrical vessels are usually bevelled to an angle of 80° for_________________?

When a nut is tightened by plaping a washer below it, the bolt will be subjected to following type of loads___________________?

The shear plane in case of bolts should_________________?

The strap end of a connecting rod of steam engine is joined by_________________?

In order to permit the thermal expansion/contraction of tubing, it should be______________?