Machine Design When the speed of belt increases, The coefficient of friction between the belt and pulley increases The coefficient of friction between the belt and pulley decreases The power transmitted will decrease The power transmitted will increase The coefficient of friction between the belt and pulley increases The coefficient of friction between the belt and pulley decreases The power transmitted will decrease The power transmitted will increase ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear plane in case of bolts should 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 Be across threaded portion of shank Be normal to threaded portion of shank Be parallel to axis of bolt ANSWER DOWNLOAD EXAMIANS APP
Machine Design In most machine members, the damping capacity of the material should be High Low Could be anything Zero High Low Could be anything Zero ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ends of the leaves of a semi-elliptical leaf spring are made triangular in order to Obtain variable moment of inertia (I) in each leaf Have variable bending moment (M) in each leaf Permit each leaf to act as an overhanging beam Make M/I constant throughout the length of the leaf Obtain variable moment of inertia (I) in each leaf Have variable bending moment (M) in each leaf Permit each leaf to act as an overhanging beam Make M/I constant throughout the length of the leaf ANSWER DOWNLOAD EXAMIANS APP
Machine Design The condition for maximum power transmission is that the maximum tension in the flat belt should be equal to (Where, Pc = tension in belt due to centrifugal force) 2 Pc 3 Pc Pc/3 1 Pc 2 Pc 3 Pc Pc/3 1 Pc ANSWER DOWNLOAD EXAMIANS APP
Machine Design A long helical spring having a spring stiffness of 12 kN/m and number of turns 20, breaks into two parts with number of turns 10 each in both the parts. If the two parts are connected in series, then the softness of the resultant spring will be 12 kN/m 6 kN/m 30 kN/m 24 kN/m 12 kN/m 6 kN/m 30 kN/m 24 kN/m ANSWER DOWNLOAD EXAMIANS APP
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