Virtual Labs

Tools

Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Contributors

Feedback

Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Contributors

Feedback

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

Choose difficulty:

Beginner

Intermediate

Advanced

1. 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

2. 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

3. 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

4. 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

5. 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

Community Links Sakshat Portal Outreach Portal FAQ: Virtual Labs

AGPL 3.0 & Creative Commons (CC BY-NC-SA 4.0)