Jam nut is a locking device in which Options: A . &nbspOne smaller nut is tightened over main nut and main nut tightened against smaller one by loosening, creating friction jamming B . &nbspA slot is cut partly in middle of nut and then slot reduced by tightening a screw C . &nbspA 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 . &nbspThrough slots are made at top and a cotter pin is passed through these and a hole in the bolt, and cotter spitted and bent in reverse direction at other end

Jam nut is a locking device in which

Question

Jam nut is a locking device in which

Options:

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 a 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 spitted and bent in reverse direction at other end

Answer: Option A

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