Machine Design When a belt drive is transmitting maximum power, Effective tension is equal to centrifugal tension Driving tension on slack side is equal to centrifugal tension Driving tension on tight side is twice the centrifugal tension Effective tension is half of centrifugal tension Effective tension is equal to centrifugal tension Driving tension on slack side is equal to centrifugal tension Driving tension on tight side is twice the centrifugal tension Effective tension is half of centrifugal tension ANSWER DOWNLOAD EXAMIANS APP
Machine Design A closely coiled helical spring is acted upon by an axial force. The maximum shear stress developed in the spring is τ. The half of the length of the spring if cut off and the remaining spring is acted upon by the same axial force. The maximum shear stress in the spring in new condition will be 2 τ τ/2 τ 4 τ 2 τ τ/2 τ 4 τ ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stiffness of a closely coiled helical spring subjected to an axial load W is equal to (where G = Modulus of rigidity, and n = Number of active coils) Gd⁴/ 4D3n Gd3/ 8D3n Gd⁴/ 8D²n Gd⁴/ 8D3n Gd⁴/ 4D3n Gd3/ 8D3n Gd⁴/ 8D²n Gd⁴/ 8D3n ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the efficiency of a triple riveted butt joint with double straps of unequal width (5 rivets per pitch length) should be 70 to 83% 45 to 60% 63 to 70% 80 to 90% 70 to 83% 45 to 60% 63 to 70% 80 to 90% ANSWER DOWNLOAD EXAMIANS APP
Machine Design The power transmitted by the belt drive can be increased by Increasing wrap angle by using idler pulley Dressing the belt to increase the coefficient of friction All of these Increasing the initial tension in the belt Increasing wrap angle by using idler pulley Dressing the belt to increase the coefficient of friction All of these Increasing the initial tension in the belt ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a bolt is subjected to an external load, the stress induced in the bolt will be Any one of these Shear stress Combined tensile and shear stress Tensile stress Any one of these Shear stress Combined tensile and shear stress Tensile stress ANSWER DOWNLOAD EXAMIANS APP
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