Theory of Machine The lower pairs are _________ pairs. None of these Self-closed Force-closed Friction closed None of these Self-closed Force-closed Friction closed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The retardation of a flat faced follower when it has contact at the apex of the nose of a circular arc cam, is given by (where OQ = Distance between the centre of circular flank and centre of nose) ω² × OQ tanθ ω² × OQ cosθ ω² × OQ ω² × OQ sinθ ω² × OQ tanθ ω² × OQ cosθ ω² × OQ ω² × OQ sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Crowning on pulleys helps For automatic adjustment of belt position so that belt runs centrally In decreasing the slip of the belt Increase belt and pulley life In increasing velocity ratio For automatic adjustment of belt position so that belt runs centrally In decreasing the slip of the belt Increase belt and pulley life In increasing velocity ratio ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a cone pulley, if the sum of radii of the pulleys on the driving and driven shafts is constant, then Crossed belt drive is recommended The drive is recommended depending upon the torque transmitted Both open belt drive and crossed belt drive is recommended Open belt drive is recommended Crossed belt drive is recommended The drive is recommended depending upon the torque transmitted Both open belt drive and crossed belt drive is recommended Open belt drive is recommended ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a conical pivot bearing, considering uniform wear, is (3/4) μ W R cosecα (2/3) μ W R cosecα (1/2) μ W R cosecα μ W R cosecα (3/4) μ W R cosecα (2/3) μ W R cosecα (1/2) μ W R cosecα μ W R cosecα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Governor is used in automobile to Limit the vehicle speed Maintain constant engine speed Decrease the variation of speed Maximize the fuel economy Limit the vehicle speed Maintain constant engine speed Decrease the variation of speed Maximize the fuel economy ANSWER DOWNLOAD EXAMIANS APP