Machine Design The usual proportion for the width of key is (where d = Diameter of shaft or diameter of hole in the hub) d/6 d/8 d/4 d/2 d/6 d/8 d/4 d/2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stretching in a belt can be controlled by __________ the stress in the belt. Both A and B Increasing None of these Reducing Both A and B Increasing None of these Reducing ANSWER DOWNLOAD EXAMIANS APP
Machine Design In worm gears, the pressure angle is __________ the angle between two inclined faces in axial plane. None of these Thrice Half Twice None of these Thrice Half Twice ANSWER DOWNLOAD EXAMIANS APP
Machine Design The strength of a riveted joint is equal to Least value of Pt Ps and Pc Shearing strength of rivet (Ps) Tearing strength of plate (Pt) Crushing strength of rivet (Pc) Least value of Pt Ps and Pc Shearing strength of rivet (Ps) Tearing strength of plate (Pt) Crushing strength of rivet (Pc) ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a hole of diameter ‘d’ is punched in a metal of thickness 't', then the force required to punch a hole is equal to (where τu = Ultimate shear strength of the material of the plate) π/4 × d² × tτu πd.t.τu t.τu π/4 × d².τu π/4 × d² × tτu πd.t.τu t.τu π/4 × d².τu ANSWER DOWNLOAD EXAMIANS APP
Machine Design The edges of a boiler plate are bevelled to an angle of 45° 80° 60° 30° 45° 80° 60° 30° ANSWER DOWNLOAD EXAMIANS APP