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 All of these Decreasing the modulus of elasticity of the bar Increasing the length of bar Decreasing the cross-sectional area of the bar All of these Decreasing the modulus of elasticity of the bar Increasing the length of bar Decreasing the cross-sectional area of the bar ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear plane in case of bolts should Be parallel to axis of bolt Be across threaded portion of shank Never be across the threaded portion Be normal to threaded portion of shank Be parallel to axis of bolt Be across threaded portion of shank Never be across the threaded portion Be normal to threaded portion of shank ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the centre distance of the mating gears having involute teeth is varied within limits, the velocity ratio Increases Decreases Remains unchanged None of these Increases Decreases Remains unchanged None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design In helical bevel gearing, the axes of shafts are __________ and the teeth are curved. Intersecting and non-parallel Intersecting Non-intersecting and non-parallel None of these Intersecting and non-parallel Intersecting Non-intersecting and non-parallel None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design When compared to the rod of the same diameter and material, a wire rope Does not provide much warning before failure Provides much greater time for remedial action before failure Has a much smaller load carrying capacity Is less flexible Does not provide much warning before failure Provides much greater time for remedial action before failure Has a much smaller load carrying capacity Is less flexible ANSWER DOWNLOAD EXAMIANS APP
Machine Design Lewis form factor for 14½° composite and full depth involute system is (where T = Number of teeth) None of these 0.124 - (0.684/T) 0.154 - (0.912/T) 0.175 - (0.841/T) None of these 0.124 - (0.684/T) 0.154 - (0.912/T) 0.175 - (0.841/T) ANSWER DOWNLOAD EXAMIANS APP
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