Theory of Machine In a screw jack, the effort required to lower the load W is given by P = W cos(α + φ) P = W tan(φ - α) P = W tan(α + φ) P = W tan(α - φ) P = W cos(α + φ) P = W tan(φ - α) P = W tan(α + φ) P = W tan(α - φ) 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) (2/3) μ W R cosecα (1/2) μ W R cosecα (3/4) μ W R cosecα μ W R cosecα (2/3) μ W R cosecα (1/2) μ W R cosecα (3/4) μ W R cosecα μ W R cosecα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An automobile steering gear is an example of Higher pair Rolling pair Sliding pair Lower pair Higher pair Rolling pair Sliding pair Lower pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the pressure angle is __________, a reciprocating follower will jam in its bearings. Too small Small Large Too large Too small Small Large Too large ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If there are L number of links in a mechanism, then number of possible inversions is equal to L L - 1 L + 2 L + 1 L L - 1 L + 2 L + 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio of its frequency to the natural frequency is greater than 0.25 2 1 0.5 0.25 2 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
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