Machine Design Two shafts ‘A’ and ‘B’ under pure torsion are of identical length and identical weight and are made of the same material. The shaft ‘A’ is solid and the shaft ‘B’ is hollow. We can say that Shaft A is better than shaft B None of these Shaft B is better than shaft A Both the shafts are equally good Shaft A is better than shaft B None of these Shaft B is better than shaft A Both the shafts are equally good ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to permit the thermal expansion/contraction of tubing, it should be Bent Flared Honed Crimped Bent Flared Honed Crimped ANSWER DOWNLOAD EXAMIANS APP
Machine Design The speed of the sprocket reduces as the chain pitch __________ for a given number of teeth. Increases None of these Decreases Remain same Increases None of these Decreases Remain same ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity of sliding __________ the distance of the point of contact from the pitch point. Is inversely proportional to Is equal to cos φ multiplied by Is directly proportional to Does not depend upon Is inversely proportional to Is equal to cos φ multiplied by Is directly proportional to Does not depend upon ANSWER DOWNLOAD EXAMIANS APP
Machine Design A key way lowers The rigidity of the shaft The strength of the shaft The ductility of the shaft Both the strength and rigidity of the shaft The rigidity of the shaft The strength of the shaft The ductility of the shaft Both the strength and rigidity of the shaft ANSWER DOWNLOAD EXAMIANS APP
Machine Design Tearing resistance required to tear off the plate per pitch length is (where p = Pitch of rivets, d = Dia. of rivet hole, and σt = Permissible tensile stress for plate material) p.d.σt p.t.σt (p - d) t.σt p.d.σt p.t.σt (p - d) t.σt ANSWER DOWNLOAD EXAMIANS APP
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