Virtual Labs

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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Contributors

Feedback

Measurement of Gear Tooth Profile using Gear Tooth Vernier /Gear Tooth Micrometer

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Beginner

Intermediate

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For a spur gear with a module of 4 mm and 20 teeth, calculate Pitch diameter and Addendum

a: Pitch diameter = 80 mm, Addendum = 4 mm Explanation

Explanation

b: Pitch diameter = 60 mm, Addendum = 3 mm Explanation

Explanation

c: Pitch diameter = 40 mm, Addendum = 2 mm Explanation

Explanation

d: Pitch diameter = 20 mm, Addendum = 1 mm Explanation

Explanation

What is the primary purpose of gear tooth Vernier calipers?

a: Measure gear module Explanation

Explanation

b: Inspect gear profile Explanation

Explanation

c: Calculate gear ratio Explanation

Explanation

d: Measure tooth thickness. Explanation

Explanation

Calculate the dedendum, if the module of a spur gear is 4 mm.

a: 4.62 mm Explanation

Explanation

b: 2.83 mm Explanation

Explanation

c: 3.54 mm Explanation

Explanation

d: None of the above Explanation

Explanation

What is the pressure angle in gear terminology

a: Angle between gear teeth and the gear axis Explanation

Explanation

b: Angle formed by addendum and dedendum circle Explanation

Explanation

c: The angle between the line of action and tangent to pitch circle Explanation

Explanation

d: All of the above Explanation

Explanation

If the rotational speed of the driven gear is 200 rpm and the gear ratio is 4 then calculate rotational speed of driver gear.

a: 800 rpm Explanation

Explanation

b: 50 rpm Explanation

Explanation

c: 200 rpm Explanation

Explanation

d: 100 rpm Explanation

Explanation

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