Machine Design
In case of pressure vessels having closed ends, the fluid pressure induces

Longitudinal stress
None of these
Circumferential stress
Shear stress

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
Jam nut is a locking device in which

A slot is cut partly in middle of nut and then slot reduced by tightening a screw
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
One smaller nut is tightened over main nut and main nut tightened against smaller one by loosening, creating friction jamming
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 DOWNLOAD EXAMIANS APP

Machine Design
In case of thick cylinders, the tangential stress across the thickness of cylinder is

Maximum at the outer surface and minimum at the inner surface
Maximum at the outer surface and zero at the inner surface
Maximum at the inner surface and zero at the outer surface
Maximum at the inner surface and minimum at the outer surface

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Machine Design