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) 1680 d 1420 d 2840 d 2080 d 1680 d 1420 d 2840 d 2080 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design Wahl's stress factor __________ very rapidly as the spring index decreases. Increases Decreases Remain same None of these Increases Decreases Remain same None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The period during which the cam follower remains at rest, when cam moves, is known as Constant period Dwell period Idle period Fixed period Constant period Dwell period Idle period Fixed period ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to determine the stresses in a thin cylinder due to an internal pressure, it is assumed that The effect of the restraining action of the heads at the end of the pressure vessel is neglected All of these The effect of curvature of the cylinder wall is neglected The tensile stresses are uniformly distributed over the section of the walls The effect of the restraining action of the heads at the end of the pressure vessel is neglected All of these The effect of curvature of the cylinder wall is neglected The tensile stresses are uniformly distributed over the section of the walls ANSWER DOWNLOAD EXAMIANS APP
Machine Design In block brakes, the ratio of shoe width to wheel diameter is taken between 0.50 and 0.75 0.25 and 0.50 0.75 and 1 0.1 and 0.25 0.50 and 0.75 0.25 and 0.50 0.75 and 1 0.1 and 0.25 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Spring stiffness is Ratio of coil diameter to wire diameter Load required to produce unit deflection Its ability to absorb shocks Its capability of storing energy Ratio of coil diameter to wire diameter Load required to produce unit deflection Its ability to absorb shocks Its capability of storing energy ANSWER DOWNLOAD EXAMIANS APP
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