Theory of Machine Which gear is used for connecting two coplanar and intersecting shafts? None of these Spur gear Helical gear Bevel gear None of these Spur gear Helical gear Bevel gear ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a conical pivot bearing, considering uniform pressure, is (where R = Radius of shaft, and α = Semi-angle of the cone) μ W R cosecα (1/2) μ W R cosecα (3/4) μ W R cosecα (2/3) μ W R cosecα μ W R cosecα (1/2) μ W R cosecα (3/4) μ W R cosecα (2/3) μ W R cosecα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In involute gears, the pressure angle is Dependent on the size of teeth Always variable Always constant Dependent on the size of gears Dependent on the size of teeth Always variable Always constant Dependent on the size of gears ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The factional torque for square thread at the mean radius r while raising load W is given by T = W.r tan(φ + α) T = W.r tanφ T = W.r tan(φ - α) T = W.r tanα T = W.r tan(φ + α) T = W.r tanφ T = W.r tan(φ - α) T = W.r tanα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A spring controlled governor is found unstable. It can be made stable by Increasing the spring stiffness Decreasing the ball mass Increasing the ball mass Decreasing the spring stiffness Increasing the spring stiffness Decreasing the ball mass Increasing the ball mass Decreasing the spring stiffness ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO, the acceleration of the piston is _________ when the crank OC and connecting rod PC are at right angles to each other. Infinity Zero Any +ve value Any -ve value Infinity Zero Any +ve value Any -ve value ANSWER DOWNLOAD EXAMIANS APP
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