Machine Design The shock resistance of steel is increased by adding Cobalt and molybdenum Nickel Nickel and chromium Chromium Cobalt and molybdenum Nickel Nickel and chromium Chromium 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% 45 to 60% 63 to 70% 80 to 90% 70 to 83% 45 to 60% 63 to 70% 80 to 90% ANSWER DOWNLOAD EXAMIANS APP
Machine Design The efficiency of a square threaded screw is maximum if the helix angle is equal to(Where φ = Angle of friction) 45° - φ 45° + φ/2 45° - φ/2 90° - φ 45° - φ 45° + φ/2 45° - φ/2 90° - φ ANSWER DOWNLOAD EXAMIANS APP
Machine Design Multiple threads are used to secure High efficiency Low efficiency High load lifting capacity High mechanical advantage High efficiency Low efficiency High load lifting capacity High mechanical advantage ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stretching in a belt can be controlled by __________ the stress in the belt. None of these Increasing Reducing Both A and B None of these Increasing Reducing Both A and B ANSWER DOWNLOAD EXAMIANS APP
Machine Design The initial tension (in newtons) in a bolt used for making a fluid tight joint like steam engine cover joints, is calculated by the relation (where d = Nominal diameter of bolt in mm) 2840 d 1420 d 2080 d 1680 d 2840 d 1420 d 2080 d 1680 d ANSWER DOWNLOAD EXAMIANS APP
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