MECHANICAL ENGINEERING MACHINE DESIGN MCQs

A screw jack spindle is provided with

Correct! Wrong!

The minor-diameter cross-section of the portion of the screw between the nut and the thrust bearing is subjected to

Correct! Wrong!

An eye bolt is generally provided on

Correct! Wrong!

Ball bearing type screws are generally used

Correct! Wrong!

Maximum principal stress theory is applicable for

Correct! Wrong!

Machines screws are

Correct! Wrong!

A stud has

Correct! Wrong!

The casing of a water pump is generally

Correct! Wrong!

For traction applications, the type of motor best suited is

Correct! Wrong!

Dielectric strength of a material is

Correct! Wrong!

Power capacitors are used

Correct! Wrong!

ERW pipes are

Correct! Wrong!

Dead weight type safety valve is not used on locomotives because

Correct! Wrong!

In case of a knuckle joint the pin is likely to fail in

Correct! Wrong!

The holding power of sunk key is due to resistance which it offers in

Correct! Wrong!

Key normally used in wrist watch is

Correct! Wrong!

Rivets are made of

Correct! Wrong!

Commonly adopted material for rivets in

Correct! Wrong!

Snap head rivets are used in

Correct! Wrong!

In case of automobile body work the type of welding generally used is

Correct! Wrong!

In a standard coarse thread bolt the stress concentration is maximum at

Correct! Wrong!

Centrifugal tension in belts

Correct! Wrong!

Screws used for power transmission should have

Correct! Wrong!

The application of third type levers is found in

Correct! Wrong!

A transmission shaft includes

Correct! Wrong!

Stress concentration is caused due to

Correct! Wrong!

The rolling contact bearings are known as

Correct! Wrong!

The size of a gear is usually specified by

Correct! Wrong!

In order to remove internal stresses produced by hardening the steel, the process usually adopted is

Correct! Wrong!

The property of a material which enables it to be drawn into wires with the application of a tensile force, is called

Correct! Wrong!

The ratio of the ultimate stress to the design stress is known as

Correct! Wrong!

In helical gears, the distance parallel to the axis, between similar faces of adjacent teeth, is called

Correct! Wrong!

A type of brake commonly used in motor cars is a

Correct! Wrong!

A coupling used to connect two perfectly aligned shafts, is

Correct! Wrong!

The railway carriage couplings have

Correct! Wrong!

The diameter of knuckle pin in a knuckle joint is usually taken as (where d = Diameter of the rod)

Correct! Wrong!

The design calculations for members subject to fluctuating loads with the same factor of safety, yield the most conservative estimates when using

Correct! Wrong!

The ratio of circumferential stress to longitudinal stress in a thin cylinder subjected to an internal pressure is

Correct! Wrong!

The washer is generally specified by its

Correct! Wrong!

Which of the following property is desirable in parts subjected to shock and impact loads?

Correct! Wrong!

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