Machine Design MCQs

Question 1

For low and moderate speed engines, the cam follower should move with

Accepted Answer

Simple harmonic motion

Answer

Uniform velocity

Answer

Uniform acceleration and retardation

Answer

Cycloidal motion

Question 2

According to Indian standards, the diameter of rivet hole is made larger than the basic size of rivet by

Accepted Answer

2 mm for rivet diameter from 39 mm to 48 mm

Answer

0.5 mm up to rivet diameter of 24 mm

Answer

1 mm for rivet diameter from 27 mm to 36 mm

Answer

All of the above

Question 3

Taper on the cotter and slot is provided

Accepted Answer

On one side only

Answer

On both the sides

Answer

On none of the sides

Answer

May be provided anywhere

Question 4

The washer is generally specified by its

Accepted Answer

Hole diameter

Answer

Outer diameter

Answer

Thickness

Answer

Mean diameter

Question 5

A screw is specified by its

Accepted Answer

Major diameter

Answer

Minor diameter

Answer

Pitch diameter

Answer

Pitch

Question 6

The ratio of pitch circle diameter in millimeters to the number of teeth, is called

Accepted Answer

Module

Answer

Circular pitch

Answer

Diametral pitch

Answer

None of these

Question 7

In helical gears, the distance between similar faces of adjacent teeth along a helix on the pitch cylinders normal to the teeth, is called

Accepted Answer

Normal pitch

Answer

Axial pitch

Answer

Diametral pitch

Answer

Module

Question 8

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

Accepted Answer

Axial pitch

Answer

Normal pitch

Answer

Diametral pitch

Answer

Module

Question 9

The centrifugal tension in belts

Accepted Answer

Increases the belt tension without increasing power transmission

Answer

Decreases the power transmitted

Answer

Increases the power transmitted

Answer

Increase the wrap angle