Which of the followings is the correct type of threads used in lead sc – McqOptions

MCQOPTIONS

1.	Which of the followings is the correct type of threads used in lead screw having half nut in the lathe which is free to rotate in both directions?
A.	ACME threads
B.	Buttress threads
C.	Whitworth threads
D.	V threads
Answer» B. Buttress threads

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