engineering recuitment DRDO Technician A 2022 Mock Test Series (Tier I) Fitter Lathe ACcessories Tools and Operation
What is the formula to find the helix angle of the thread?
1
\(\frac{\pi \times \text { lead }}{\text { Pitch dia }}\)
2
\(\frac{\text { Pitch dia }}{\pi \times \text { lead }}\)
3
\(\frac{\text { lead }}{\pi \times \text { Pitch dia }}\)
4
\(\frac{\pi \times \text { Pitch dia }}{\text { lead }}\)