Split nut is a locking device in which

1.	Split nut is a locking device in which
A.	One smaller nut is tightened over main nut and main nut tightened against smaller one by loosening, creating friction jamming
B.	A slot is cut partly in middle of nut and then slot reduced by tightening screw
C.	A hard fibre or nylon cotter is recessed in the nut and becomes threaded as the nut is screwed on the bolt causing a tight grip
D.	Through slots are made at top and a cotter pin is passed through these and a hole in the bolt, and cotter pin splitted and bent in reverse direction at the other end
Answer» C. A hard fibre or nylon cotter is recessed in the nut and becomes threaded as the nut is screwed on the bolt causing a tight grip

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Split nut is a locking device in which

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