Machine Design In the case of an elastic bar fixed at upper end and loaded by a falling weight at lower end, the shock load produced can be decreased by Remain unaffected with cross-section area Would depend upon other factors Decreasing the cross-section area of bar Increasing the cross-section area of bar Remain unaffected with cross-section area Would depend upon other factors Decreasing the cross-section area of bar Increasing the cross-section area of bar 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 Direct shear stress only A combination of torsional shear stress and bending Bending stress only A combination of bending stress and direct shear stress Direct shear stress only A combination of torsional shear stress and bending Bending stress only A combination of bending stress and direct shear stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design Form coefficient of spring is Concerned with strength of wire of spring Ratio of coil diameter to wire diameter Load required to produce unit deflection Its capability of storing energy Concerned with strength of wire of spring Ratio of coil diameter to wire diameter Load required to produce unit deflection Its capability of storing energy ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stress in the bar when the load is applied suddenly is __________ as compared to the stress induced due to gradually applied loads. Three times Four times Same Double Three times Four times Same Double ANSWER DOWNLOAD EXAMIANS APP
Machine Design Tearing resistance required to tear off the plate per pitch length is (where p = Pitch of rivets, d = Dia. of rivet hole, and σt = Permissible tensile stress for plate material) p.t.σt p.d.σt (p - d) t.σt p.t.σt p.d.σt (p - d) t.σt ANSWER DOWNLOAD EXAMIANS APP
Machine Design The included angle between the sides of V-belt is 40° 45° 60° 38° 40° 45° 60° 38° ANSWER DOWNLOAD EXAMIANS APP