If T is the actual number of teeth on a helical gear and $$\varphi $$ is the helix angle for the teeth, then formative number of teeth is written as
A. $${\text{T}}{\sec ^3}\varphi $$
B. $${\text{T}}{\sec ^2}\varphi $$
C. $$\frac{{\text{T}}}{{{{\sec }^3}\varphi }}$$
D. $${\text{Tcosec}}\varphi $$
Answer: Option A
This Question Belongs to Mechanical Engineering >> Machine Design
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