+1 vote
in Machine Kinematics by (38.0k points)
The helix angle for single helical gears ranges from

(a) 10° to 15°

(b) 15° to 20°

(c) 20° to 35°

(d) 35° to 50°

The question was asked by my school principal while I was bunking the class.

This interesting question is from Standard Proportions of Gear Systems topic in section Toothed Gearing & Gear Trains of Machine Kinematics

1 Answer

0 votes
by (106k points)
The correct choice is (c) 20° to 35°

Explanation: In single helical gears, the helix angle ranges from 20° to 35°, while for double helical gears, it may be made upto 45°.

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