# Manufacturing Processes I Mcqs

Q:

For a given pair of mating gear, arc of contact is 6mm and a circular pitch is 4 mm. Contact ratio is equal to

 A) 3.20 B) 1.50 C) 4.75 D) 6.32

Explanation: Contact ratio = arc of contact/circular pitch.

135
Q:

Working depth of two mating gear is numerically equal to

 A) Sum of addendum of two gears B) Difference of addendum of two gears C) Difference of dedendum of two gears D) Sum of dedendum of two gears

Explanation: Working depth of two mating gear is numerically equal to sum of the addendum of two gears.

104
Q:

Full depth of teeth is equal to

Explanation: Full depth is the sum of addendum and dedendum.

90
Q:

Width of tooth space along the pitch circle is known as

 A) Clearance B) Full depth of teeth C) Working depth of teeth D) Space width

Explanation: Space width is the width of tooth space along the pitch circle.

78
Q:

Maximum depth to which tooth can penetrate into the tooth space of mating gear is known as

 A) Clearance B) Full depth of teeth C) Working depth of teeth D) Space width

Explanation: Maximum depth to which tooth can penetrate into the tooth space of mating gear is known as working depth of teeth.

76
Q:

Total radial depth of tooth space is known as

 A) Clearance B) Full depth of teeth C) Working depth of teeth D) Space width

Explanation: Total radial depth of tooth space is known as full depth of teeth.

93
Q:

Standard value of clearance is generally taken as

 A) 1 module B) 2 module C) 1.157 module D) 0.157 module

Explanation: Clearance of gear is generally taken equal to 0.157 modules.

71
Q: