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 124 d 168 d 138 d 151 d 124 d 168 d 138 d 151 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a closely coiled helical spring is subjected to a couple about its axis, the stress induced in the wire material of the spring is Bending stress only Direct shear stress only A combination of bending stress and direct shear stress A combination of torsional shear stress and bending Bending stress only Direct shear stress only A combination of bending stress and direct shear stress A combination of torsional shear stress and bending ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rocker arms in internal combustion engines are of__________. Third type levers First type levers Second type levers None of these Third type levers First type levers Second type levers None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design A plate with an elliptical hole in the centre, with semi-major axis (a) perpendicular to the direction of loading and semi-minor axis (b) along the direction of loading, is subjected to a pull P. The maximum stress induced at the edge of the hole is equal to (where σ = Stress for a plate with no hole i.e. nominal stress) σ [1 + (2a/b)] σ [1 + (b/3a)] σ [1 + (3a/b)] σ [1 + (b/2a)] σ [1 + (2a/b)] σ [1 + (b/3a)] σ [1 + (3a/b)] σ [1 + (b/2a)] ANSWER DOWNLOAD EXAMIANS APP
Machine Design The cam follower extensively used in aircraft engines is Spherical faced follower Knife edge follower Roller follower Flat faced follower Spherical faced follower Knife edge follower Roller follower Flat faced follower ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which is positive drive? Flat belt drive Crossed belt drive Timing belt V belt drive Flat belt drive Crossed belt drive Timing belt V belt drive ANSWER DOWNLOAD EXAMIANS APP
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