Machine Design A spring of stiffness 1000 N/m is stretched initially by 100 mm from the undeformed position. The work required to stretch it by another 100 mm is 10 N-m 5 N-m 15 N-m 7 N-m 10 N-m 5 N-m 15 N-m 7 N-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design The efficiency of a riveted joint is equal to Ps /P Pc /P Least of Pt, Ps and Pc/P Pt /P Ps /P Pc /P Least of Pt, Ps and Pc/P Pt /P ANSWER DOWNLOAD EXAMIANS APP
Machine Design For low and moderate speed engines, the cam follower should move with Simple harmonic motion Uniform acceleration and retardation Cycloidal motion Uniform velocity Simple harmonic motion Uniform acceleration and retardation Cycloidal motion Uniform velocity ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a material fails below its yield point, failure would be due to Straining Creep Fatigue Sudden loading Straining Creep Fatigue Sudden loading ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear plane in case of bolts should 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 Be parallel to axis of bolt Never be across the threaded portion ANSWER DOWNLOAD EXAMIANS APP
Machine Design If d is the normal diameter of a bolt in mm, then the initial tension in kg in a bolt used for making a fluid tight joint as for steam engine cover joint is calculated by the relation 151 d 168 d 138 d 124 d 151 d 168 d 138 d 124 d ANSWER DOWNLOAD EXAMIANS APP
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