Kinematics and Theory of Machines (3131906) MCQs

MCQs of Gears and Gear Trains

Showing 21 to 30 out of 44 Questions
21.

The train value of a gear train is ______.

(a)

equal to velocity ratio of a gear train

(b)

reciprocal of velocity ratio of a gear train

(c)

always greater than unity

(d)

always less than unity

Answer:

Option (b)

22.

When the axes of first and last gear are co-axial, then the gear train is known as ______.

(a)

simple gear train

(b)

compound gear train

(c)

reverted gear train

(d)

epicyclic gear train

Answer:

Option (c)

23.

In a clock mechanism, the gear train used to connect the minute hand to the hour hand is _________.

(a)

epicyclic gear train

(b)

reverted gear train

(c)

compound gear train

(d)

simple gear train

Answer:

Option (b)

24.

In a gear train, when the axes of the shafts, over which the gears are mounted, move relative to a fixed axis, is called ______.

(a)

simple gear train

(b)

compound gear train

(c)

reverted gear train

(d)

epicyclic gear train

Answer:

Option (d)

25.

A differential gear in an automobile is a _____.

(a)

simple gear train

(b)

epicyclic gear train

(c)

compound gear train

(d)

reverted gear train

Answer:

Option (b)

26.

A differential gear in automobiles is used to ______.

(a)

reduce speed

(b)

assist in changing speed

(c)

provide jerk-free movement of vehicle

(d)

help in turning

Answer:

Option (d)

27.

Tooth thickness on the pitch line of involute gear in terms of the module (m) is equal to _____.

(a)

1.157 m

(b)

1.167 m

(c)

2 m

(d)

1.5708 m

Answer:

Option (d)

28.

The number of teeth on a wheel per unit of its pitch diameter is called ______.

(a)

module

(b)

diametral pitch

(c)

circular pitch

(d)

addendum

Answer:

Option (b)

29.

Which gear train is used for higher velocity ratios in a small space?

(a)

Simple gear train

(b)

Compound gear train

(c)

Reverted gear train

(d)

Epicyclic gear train

Answer:

Option (d)

30.

Which type of gears are used to convert rotary motion into translating motion?

(a)

Worm and wheel

(b)

Crown gear

(c)

Rack and pinion

(d)

Spiral Bevel gear

Answer:

Option (c)

Showing 21 to 30 out of 44 Questions