A hexagonal nut with slots cut in the upper end of it and through opposite faces in which slotted pin is inserted is called _________ nut.
(a) Simmond’s locknut
(b) Slotted nut
(c) Castle nut
(d) Sawn nut or wiles nut
I had been asked this question in an international level competition.
The above asked question is from Locking Arrangements for Nuts in portion Screw Threads & Screwed Fastening of Engineering Drawing