Self locking condition for a pair of square thread screw and nut havin – McqOptions

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1.	Self locking condition for a pair of square thread screw and nut having coefficient of friction = µ, lead of thread = L and pitch diameter of thread = d is given by
A.	d >L/ πµ
B.	d > πµL
C.	d > µL
D.	µ > Ld
Answer» B. d > πµL

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