Theory of Machine The maximum efficiency of spiral gears is (where θ = Shaft angle, and φ = Friction angle) cos (θ - φ) + 1/ sin (θ + φ) + 1 sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ cos (θ + φ) + 1 cos (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ sin (θ + φ) + 1 sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ cos (θ + φ) + 1 cos (θ + φ) + 1/ cos (θ - φ) + 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The cam and follower is an example of Lower pair Rolling pair Sliding pair Higher pair Lower pair Rolling pair Sliding pair Higher pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following mechanism is an approximate straight line motion mechanism? All of these Grasshopper mechanism Robert's mechanism Watt's mechanism All of these Grasshopper mechanism Robert's mechanism Watt's mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When one of the links of a kinematic chain is fixed, the chain is known as a Inversion Machine Structure Mechanism Inversion Machine Structure Mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a steam engine, the distance by which the outer edge of the D-slide valve overlaps the steam port is called Exhaust lap Lead Steam lap None of these Exhaust lap Lead Steam lap None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing, considering uniform wear, is (where μ = Coefficient of friction, W = Load over the bearing, and R = Radius of bearing surface) (3/4) μ W R (1/2) μ W R μ W R (2/3) μ W R (3/4) μ W R (1/2) μ W R μ W R (2/3) μ W R ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS