Engineering Questions with Answers - Multiple Choice Questions
Manufacturing Engineering – Gear Terminology-1
1 - Question
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
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Explanation: Imaginary friction cylinders which by pure rolling together transmit the same motion as pair of gears is known as pitch cylinders.
2 - Question
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
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Explanation: Pitch circle is the circle which corresponds to section of equivalents cylinder by a plane normal to wheel axis
3 - Question
Diameter of pitch cylinder is known as
a) Pitch cylinders
b) Pitch diameter
c) Pitch circle
d) Pitch point
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Explanation: Pitch diameter is the diameter of a pitch cylinder.
4 - Question
Two different pitch circles generally meet at
a) Pitch cylinders
b) Pitch diameter
c) Pitch circle
d) Pitch point
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Explanation: At pitch point two different pitch circles generally meets.
5 - Question
Line passing through center of rotation of two meeting gear is known as
a) Pitch line
b) Rack
c) Pinion
d) Line of centre
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Explanation: Line of centre is the line passing through center of rotation of two meeting gear.
6 - Question
Driving gear of two mating gear which is generally small is known as
a) Pitch line
b) Rack
c) Pinion
d) Line of centre
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Explanation: Pinion is the driving gear of two mating gear which is generally small.
7 - Question
Gear wheel of infinite diameter is also known as
a) Pitch line
b) Rack
c) Pinion
d) Line of centre
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Explanation: Rack have infinite diameter.
8 - Question
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
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Explanation: Pitch line is the part of pitch circle of rack which is a straight line.
9 - Question
Ratio of circumference of pitch circle to number of teeth is known as
a) Circular pitch
b) Diametral pitch
c) Module
d) Gear ratio
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Explanation: Circular pitch is the ratio of a circumference of pitch circle to number of teeth.
10 - Question
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
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Explanation: Circular pitch is the ratio of a circumference of pitch circle to number of teeth.
11 - Question
Number of teeth divided by length of pitch circle diameter is known as
a) Circular pitch
b) Diametral pitch
c) Module
d) Gear ratio
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Explanation: Diametral pitch is the number of teeth divided by length of pitch circle diameter.
12 - Question
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
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Explanation: Module is the ratio of pitch diameter in mm to the number of teeth.
13 - Question
Module of two mating gears must be
a) Same
b) Different
c) Small
d) None of the mentioned
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Explanation: Module of two mating gear must be same.
14 - Question
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
View Answer
Explanation: Gear ratio is the ratio of number of teeth on gear to the number of teeth on pinion.
15 - Question
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
View Answer
Explanation: Velocity ratio is the ratio of angular velocity of the follower to the angular velocity of driving gear.