Machine Design A screw will be self locking, if Efficiency of screw is 100% Friction angle is equal to helix angle Friction angle is more than helix angle Friction angle is less than helix angle Efficiency of screw is 100% Friction angle is equal to helix angle Friction angle is more than helix angle Friction angle is less than helix angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a load W is applied instantaneously on a bar; Then the stress induced in bar will Decrease with decrease in y Depend on other considerations Increase with increase in y Be independent of ratio of mass of load W to mass of bar (y) Decrease with decrease in y Depend on other considerations Increase with increase in y Be independent of ratio of mass of load W to mass of bar (y) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts of the same length and material are joined in series. If the ratio of their diameters is 2, then the ratio of their angles of twist will be 4 2 8 16 4 2 8 16 ANSWER DOWNLOAD EXAMIANS APP
Machine Design In the assembly of pulley, key and shaft Key is made the strongest Pulley is made the weakest All the three are designed for equal strength Key is made the weakest Key is made the strongest Pulley is made the weakest All the three are designed for equal strength Key is made the weakest ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear stress at a point in a shaft subjected to a torque is Directly proportional to the applied torque and inversely proportional to the polar moment of inertia Directly proportional to the applied torque and 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 inversely proportional to the polar moment of inertia Directly proportional to the applied torque and 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 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The largest diameter of an external or internal screw thread is known as Minor diameter Pitch diameter None of these Major diameter Minor diameter Pitch diameter None of these Major diameter ANSWER DOWNLOAD EXAMIANS APP
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