Machine Design According to Indian standards, total numbers of tolerance grades are 18 20 12 8 18 20 12 8 ANSWER DOWNLOAD EXAMIANS APP
Machine Design A plate with an elliptical hole in the centre, with semi-major axis (a) perpendicular to the direction of loading and semi-minor axis (b) along the direction of loading, is subjected to a pull P. The maximum stress induced at the edge of the hole is equal to (where σ = Stress for a plate with no hole i.e. nominal stress) σ [1 + (b/2a)] σ [1 + (3a/b)] σ [1 + (b/3a)] σ [1 + (2a/b)] σ [1 + (b/2a)] σ [1 + (3a/b)] σ [1 + (b/3a)] σ [1 + (2a/b)] ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rolling contact bearings as compared to sliding contact bearings have Accuracy of shaft alignment Small overall dimensions Low starting and low running friction except at very high speeds All of these Accuracy of shaft alignment Small overall dimensions Low starting and low running friction except at very high speeds All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design Lewis equation is applied To stronger of the pinion or gear Only to the pinion To weaker of the pinion or gear Only to the gear To stronger of the pinion or gear Only to the pinion To weaker of the pinion or gear Only to the gear ANSWER DOWNLOAD EXAMIANS APP
Machine Design The usual proportion for the width of key is (where d = Diameter of shaft or diameter of hole in the hub) d/4 d/2 d/6 d/8 d/4 d/2 d/6 d/8 ANSWER DOWNLOAD EXAMIANS APP
Machine Design If shearing stress in nut is half the tensile stress in a bolt, then nut length should be equal to 1.25 × diameter of bolt 1.5 × diameter of bolt Diameter of bolt 0.75 × diameter of bolt 1.25 × diameter of bolt 1.5 × diameter of bolt Diameter of bolt 0.75 × diameter of bolt ANSWER DOWNLOAD EXAMIANS APP