Machine Design The shear stress at a point in a shaft subjected to a torque is Directly proportional to the polar moment of inertia and to the distance of the point from the axis Directly proportional to the applied torque and the polar moment of inertia Directly proportional to the applied torque and inversely proportional to the polar moment of inertia Inversely proportional to the applied torque and the polar moment of inertia Directly proportional to the polar moment of inertia and to the distance of the point from the axis Directly proportional to the applied torque and the polar moment of inertia Directly proportional to the applied torque and inversely proportional to the polar moment of inertia Inversely proportional to the applied torque and the polar moment of inertia ANSWER DOWNLOAD EXAMIANS APP
Machine Design A self locking screw has Coefficient of friction is greater than tangent of load angle Course threads Fine threads Hole for inserting split pin Coefficient of friction is greater than tangent of load angle Course threads Fine threads Hole for inserting split pin ANSWER DOWNLOAD EXAMIANS APP
Machine Design Machine screws are Slotted for a screw driver and generally used with a nut Used to prevent relative motion between two parts Similar to small size tap bolts except that a greater variety of shapes of heads are available Similar to stud Slotted for a screw driver and generally used with a nut Used to prevent relative motion between two parts Similar to small size tap bolts except that a greater variety of shapes of heads are available Similar to stud ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which is correct statement? Stress concentration in cyclic loading is Very serious in brittle materials and less serious in ductile materials Very serious in ductile materials and less serious in brittle materials Equally serious in both types of materials Seriousness would depend on other factors Very serious in brittle materials and less serious in ductile materials Very serious in ductile materials and less serious in brittle materials Equally serious in both types of materials Seriousness would depend on other factors 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) 3 Pc 1 Pc Pc/3 2 Pc 3 Pc 1 Pc Pc/3 2 Pc ANSWER DOWNLOAD EXAMIANS APP
Machine Design A double fillet welded joint with parallel fillet weld of length 'l' and leg 's' is subjected to a tensile force 'P'. Assuming uniform stress distribution, the shear stress in the weld is given by √2P/s.l 2P/s.l P/2.s.l P/√2.s.l √2P/s.l 2P/s.l P/2.s.l P/√2.s.l ANSWER DOWNLOAD EXAMIANS APP
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