Machine Design For crank shaft bearings, the ratio of the length of the journal to its diameter is_________. None of these Equal to 1 Greater than unity Less than unity None of these Equal to 1 Greater than unity Less than unity ANSWER DOWNLOAD EXAMIANS APP
Machine Design The connecting rod bolts are tightened up with initial tension greater than the external load so that Bolts will not loosen during service The resultant load on the bolt would not be affected by the external cyclic load Bolts are weakest elements Joint may not open up Bolts will not loosen during service The resultant load on the bolt would not be affected by the external cyclic load Bolts are weakest elements Joint may not open up ANSWER DOWNLOAD EXAMIANS APP
Machine Design The connecting rod bolts are tightened up so that tightening stress Is just sufficient to hold parts together Is 50% of yield point Approaches yield point Is about yield point divided by safety factor Is just sufficient to hold parts together Is 50% of yield point Approaches yield point Is about yield point divided by safety factor ANSWER DOWNLOAD EXAMIANS APP
Machine Design A circular shaft can transmit a torque of 5 kN-m. If the torque is reduced to 4 kN-m, then the maximum value of bending moment that can be applied to the shaft is 1 kN-m 4 kN-m 2 kN-m 3 kN-m 1 kN-m 4 kN-m 2 kN-m 3 kN-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design In case of V belt drive The belt should not touch the sides of groove in the pulley The belt should not touch the bottom of groove in the pulley None of these The belt should touch the bottom of groove in the pulley The belt should not touch the sides of groove in the pulley The belt should not touch the bottom of groove in the pulley None of these The belt should touch the bottom of groove in the pulley 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.t.σt (p - d) t.σt p.d.σt p.t.σt (p - d) t.σt p.d.σt ANSWER DOWNLOAD EXAMIANS APP
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