THREAD CUTTING 2 - Practice Mode

1) Where the knuckle threads are used?
Correct Answer: Railway carriage couplings
2) What is the included angle of acme thread?
Correct Answer: 29 Degree
3) Which type of thread is used in lathe head screw?
Correct Answer: Acme thread
4) How much angle is to be added for lead angle of a square thread as clearance to the helix angle?
Correct Answer: 1 Degree 30 Minutes
5) What is the angle of BSW thread?
Correct Answer: 55 Degree
Explanation:

One Degree = (180)/(Pi)

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