# Manufacturing Engineering Questions & Answers – Gear Terminology-1

«
»

This set of Manufacturing Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Gear Terminology-1”.

1. Imaginary friction cylinders which by pure rolling together transmit the same motion as pair of gears is known as
a) Pitch cylinders
b) Pitch diameter
c) Pitch circle
d) Pitch point

Explanation: Imaginary friction cylinders which by pure rolling together transmit the same motion as pair of gears is known as pitch cylinders.

2. Circle which corresponds to section of equivalents cylinder by a plane normal to wheel axis is known as
a) Pitch cylinders
b) Pitch diameter
c) Pitch circle
d) Pitch point

Explanation: Pitch circle is the circle which corresponds to section of equivalents cylinder by a plane normal to wheel axis.

3. Diameter of pitch cylinder is known as
a) Pitch cylinders
b) Pitch diameter
c) Pitch circle
d) Pitch point

Explanation: Pitch diameter is the diameter of a pitch cylinder.
Sanfoundry Certification Contest of the Month is Live. 100+ Subjects. Participate Now!

4. Two different pitch circles generally meet at
a) Pitch cylinders
b) Pitch diameter
c) Pitch circle
d) Pitch point

Explanation: At pitch point two different pitch circles generally meets.

5. Line passing through center of rotation of two meeting gear is known as
a) Pitch line
b) Rack
c) Pinion
d) Line of centre

Explanation: Line of centre is the line passing through center of rotation of two meeting gear.

6. Driving gear of two mating gear which is generally small is known as
a) Pitch line
b) Rack
c) Pinion
d) Line of centre

Explanation: Pinion is the driving gear of two mating gear which is generally small.

7. Gear wheel of infinite diameter is also known as
a) Pitch line
b) Rack
c) Pinion
d) Line of centre

Explanation: Rack have infinite diameter.

8. Part of pitch circle of rack which is a straight line is also known as
a) Pitch line
b) Rack
c) Pinion
d) Line of centre

Explanation: Pitch line is the part of pitch circle of rack which is a straight line.

9. Ratio of circumference of pitch circle to number of teeth is known as
a) Circular pitch
b) Diametral pitch
c) Module
d) Gear ratio

Explanation: Circular pitch is the ratio of a circumference of pitch circle to number of teeth.

10. Distance measured along the circumference of pitch circle from a point on tooth to the corresponding point on adjacent tooth is known as
a) Circular pitch
b) Diametral pitch
c) Module
d) Gear ratio

Explanation: Circular pitch is the ratio of a circumference of pitch circle to number of teeth.

11. Number of teeth divided by length of pitch circle diameter is known as
a) Circular pitch
b) Diametral pitch
c) Module
d) Gear ratio

Explanation: Diametral pitch is the number of teeth divided by length of pitch circle diameter.

12. Ratio of pitch diameter in mm to the number of teeth is known as
a) Circular pitch
b) Diametral pitch
c) Module
d) Gear ratio

Explanation: Module is the ratio of pitch diameter in mm to the number of teeth.

13. Module of two mating gears must be
a) Same
b) Different
c) Small
d) None of the mentioned

Explanation: Module of two mating gear must be same.

14. Ratio of number of teeth on gear to the number of teeth on pinion is known as
a) Circular pitch
b) Diametral pitch
c) Module
d) Gear ratio

Explanation: Gear ratio is the ratio of number of teeth on gear to the number of teeth on pinion.

15. Ratio of angular velocity of the follower to the angular velocity of driving gear is known as
a) Gear ratio
b) Module
c) Velocity ratio
d) None of the mentioned

Explanation: Velocity ratio is the ratio of angular velocity of the follower to the angular velocity of driving gear.

Sanfoundry Global Education & Learning Series – Manufacturing Engineering.

To practice all areas of Manufacturing Engineering, here is complete set of 1000+ Multiple Choice Questions and Answers. 