Machine Design The process which improves the machinability of steels, but lowers the hardness and tensile strength is Normalising Full annealing Process annealing Spheroidising Normalising Full annealing Process annealing Spheroidising ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following is not correct procedure to increase the fatigue limit? Surface decarburisation Cold working Shot peening Under stressing Surface decarburisation Cold working Shot peening Under stressing ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration in static loading is more serious in Equally serious in both cases Brittle materials Ductile materials Depends on other factors Equally serious in both cases Brittle materials Ductile materials Depends on other factors ANSWER DOWNLOAD EXAMIANS APP
Machine Design The application of third type levers is found in A pair of tongs Hand wheel of a punching press Lever of a loaded safety valve Handle of a hand pump A pair of tongs Hand wheel of a punching press Lever of a loaded safety valve Handle of a hand pump 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) t.σt p.t.σt p.d.σt (p - d) t.σt p.t.σt p.d.σt ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the efficiency of a triple riveted butt joint with double straps of unequal width (5 rivets per pitch length) should be 70 to 83% 80 to 90% 45 to 60% 63 to 70% 70 to 83% 80 to 90% 45 to 60% 63 to 70% ANSWER DOWNLOAD EXAMIANS APP
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