Kinematics and Theory of Machines (3131906) MCQs

MCQs of Gears and Gear Trains

Showing 1 to 10 out of 44 Questions
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1.

The two parallel and coplanar shafts are connected by gears having teeth parallel to the axis of the shaft. This arrangement is called ______ gearing.

(a)

spur 
(b)

helical 
(c)

bevel 
(d)

spiral 
Answer:

Option (a)

2.

The types of gears used to connect two non-parallel non-intersecting shafts are _______ gears.

(a)

spur
(b)

helical
(c)

bevel
(d)

spiral
Answer:

Option (d)

3.

An imaginary circle which by the pure rolling action, gives the same motion as the actual gear, is called _____ circle.

(a)

addendum 
(b)

dedendum 
(c)

pitch 
(d)

clearance 
Answer:

Option (c)

4.

The size of a gear is usually specified by ______.

(a)

pressure angle
(b)

circular pitch
(c)

diametral pitch
(d)

pitch circle diameter
Answer:

Option (d)

5.

The radial distance of a tooth from the pitch circle to the bottom of the tooth is called ______.

(a)

dedendum
(b)

addendum
(c)

clearance
(d)

working depth
Answer:

Option (a)

6.

The product of the diametral pitch and circular pitch is equal to ______.

(a)

1
(b)

1/π
(c)

π
(d)

2π
Answer:

Option (c)

7.

The module is the reciprocal of ______.

(a)

diametral pitch
(b)

circular pitch
(c)

pitch diameter
(d)

addendum diameter
Answer:

Option (a)

8.

If the module of the gear is m, the number of teeth T and pitch circle diameter D, then ______.

(a)

m = D/T
(b)

D = T/m
(c)

m = D/2T
(d)

D = m/T
Answer:

Option (a)

9.

Mitre gears are used for _______.

(a)

great speed reduction
(b)

equal speed
(c)

minimum axial thrust
(d)

minimum backlash
Answer:

Option (b)

10.

The condition of correct gearing is _______.

(a)

pitch line velocities of teeth be same
(b)

radius of curvature of two profiles be same
(c)

common normal to the pitch surface cuts the line of centres at a fixed point
(d)

module should be different
Answer:

Option (c)

Showing 1 to 10 out of 44 Questions
1 2 3 4 5