Machine Design Screws used for power transmission should have Strong teeth Very fine threads High efficiency Low efficiency Strong teeth Very fine threads High efficiency Low efficiency ANSWER DOWNLOAD EXAMIANS APP
Machine Design A universal coupling is used to connect two shafts Which are perfectly aligned Whose axes intersect at a small angle Which are not in exact alignment Have lateral misalignment Which are perfectly aligned Whose axes intersect at a small angle Which are not in exact alignment Have lateral misalignment ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bending stress in a curved beam is Maximum at the neutral axis Zero at the point other than centroidal axis None of these Zero at the centroidal axis Maximum at the neutral axis Zero at the point other than centroidal axis None of these Zero at the centroidal axis ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to permit the thermal expansion/contraction of tubing, it should be Bent Crimped Flared Honed Bent Crimped Flared Honed ANSWER DOWNLOAD EXAMIANS APP
Machine Design At low temperatures (say 75°C) the notched bar impact value of steel Depends on heat treatment carried out Increases markedly Remain same Decreases markedly Depends on heat treatment carried out Increases markedly Remain same Decreases markedly ANSWER DOWNLOAD EXAMIANS APP
Machine Design When an open coiled helical compression spring is subjected to an axial compressive load, the maximum shear stress induced in the wire is (where D = Mean diameter of the spring coil, d = Diameter of the spring wire, K = Wahl's stress factor, and W = Axial compressive load on the spring) (8WD/ πd3) × K (2WD/ πd3) × K (4WD/ πd3) × K (WD/ πd3) × K (8WD/ πd3) × K (2WD/ πd3) × K (4WD/ πd3) × K (WD/ πd3) × K ANSWER DOWNLOAD EXAMIANS APP
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