Jam nut is a locking device in which ________?
Anone of the above
Bone smaller nut is tightened over main nut and main nut tightened against smaller one by loosening, creating friction jamming
Cthrough 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
Da slot is cut partly in middle of nut and then slot reduced by tightening a screw
Ea hard fiber or nylon cotter is recessed in the nut and becomes threaded as the nut is screwed on the bolt causing a tight grip
Correct answer
B. one smaller nut is tightened over main nut and main nut tightened against smaller one by loosening, creating friction jamming
Explanation
The correct answer is one smaller nut is tightened over main nut and main nut tightened against smaller one by loosening, creating friction jamming.