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 Directly proportional to the polar moment of inertia and to the distance of the point from the axis Inversely 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 Directly 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 Inversely proportional to the applied torque and the polar moment of inertia ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for very accurately cut and ground metallic gears operating at velocities upto __________ are equal to 6/(6 + v). 15 m/s 10 m/s 20 m/s 12.5 m/s 15 m/s 10 m/s 20 m/s 12.5 m/s ANSWER DOWNLOAD EXAMIANS APP
Machine Design Form coefficient of spring is Ratio of coil diameter to wire diameter Its capability of storing energy Load required to produce unit deflection Concerned with strength of wire of spring Ratio of coil diameter to wire diameter Its capability of storing energy Load required to produce unit deflection Concerned with strength of wire of spring ANSWER DOWNLOAD EXAMIANS APP
Machine Design When compared to the rod of the same diameter and material, a wire rope Is less flexible Has a much smaller load carrying capacity Provides much greater time for remedial action before failure Does not provide much warning before failure Is less flexible Has a much smaller load carrying capacity Provides much greater time for remedial action before failure Does not provide much warning before failure ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the belt is transmitting maximum power, the belt speed should be (Where, m = mass of belt per meter (kg/m) and Pmax = maximum permissible tension in belt (N)) √(Pmax / 2m) √(Pmax / m) √(3m /Pmax) √(Pmax / 3m) √(Pmax / 2m) √(Pmax / m) √(3m /Pmax) √(Pmax / 3m) ANSWER DOWNLOAD EXAMIANS APP
Machine Design For standard coarse threads of nut, the threads will be as strong in failure by shear as the bolt in tension, if the height of nut (h) is approximately 0.8 times 0.4 times 0.6 times 0.7 times 0.8 times 0.4 times 0.6 times 0.7 times ANSWER DOWNLOAD EXAMIANS APP
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