A screw having coefficient of friction equal to or greater than the tangent of the load angle is known as

A screw having coefficient of friction equal to or greater than the ta

1.	A screw having coefficient of friction equal to or greater than the tangent of the load angle is known as
A.	Machine screw
B.	Self locking screw
C.	Set-screws
D.	Ball-bearing type screws
Answer» C. Set-screws

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A screw having coefficient of friction equal to or greater than the tangent of the load angle is known as

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