Machine Design Which one of the following is a positive drive? V-belt drive Crossed flat belt drive Chain drive Rope drive V-belt drive Crossed flat belt drive Chain drive Rope drive ANSWER DOWNLOAD EXAMIANS APP
Machine Design An elastic bar is fixed at the upper end and loaded at the lower end by a falling weight. The shock load produced can be reduced by Decreasing the modulus of elasticity of the bar Decreasing the cross-sectional area of the bar All of these Increasing the length of bar Decreasing the modulus of elasticity of the bar Decreasing the cross-sectional area of the bar All of these Increasing the length of bar 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 Bolts are weakest elements The resultant load on the bolt would not be affected by the external cyclic load Joint may not open up Bolts will not loosen during service Bolts are weakest elements The resultant load on the bolt would not be affected by the external cyclic load Joint may not open up ANSWER DOWNLOAD EXAMIANS APP
Machine Design The steel pulleys are __________ in weight than cast iron pulleys of the same capacity. Moderate Heavier None of these Lighter Moderate Heavier None of these Lighter ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear plane in case of bolts should Be parallel to axis of bolt Never be across the threaded portion Be across threaded portion of shank Be normal to threaded portion of shank Be parallel to axis of bolt Never be across the threaded portion Be across threaded portion of shank Be normal to threaded portion of shank ANSWER DOWNLOAD EXAMIANS APP
Machine Design The square threads are usually found on Feed mechanism of machine tools Railway carriage couplings Screw cutting lathes Spindles of bench vices Feed mechanism of machine tools Railway carriage couplings Screw cutting lathes Spindles of bench vices ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS