Theory of Machine The dynamic friction is the friction experienced by a body, when the body Is in motion None of these Is at rest Just begins to slide over the surface of the other body Is in motion None of these Is at rest Just begins to slide over the surface of the other body 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. Any +ve value Zero Infinity Any -ve value Any +ve value Zero Infinity Any -ve value ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In S.H.M., acceleration is proportional to Velocity Displacement All of these Rate of change of velocity Velocity Displacement All of these Rate of change of velocity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Cross head and guides form a Turning pair Higher pair Lower pair Sliding pair Turning pair Higher pair Lower pair Sliding pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A slider crank chain consists of following numbers of turning and sliding pairs 4, 0 1, 3 2, 2 3, 1 4, 0 1, 3 2, 2 3, 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the addenda on pinion and wheel is such that the path of approach and path of recess are half of their maximum possible values, then the length of the path of contact is given by (where r = Pitch circle radius of pinion, R = Pitch circle radius of wheel, and φ = Pressure angle) [(r² + R²) cosφ]/2 [(r + R) sinφ]/2 [(r + R) cosφ]/2 [(r² + R²) sinφ]/2 [(r² + R²) cosφ]/2 [(r + R) sinφ]/2 [(r + R) cosφ]/2 [(r² + R²) sinφ]/2 ANSWER DOWNLOAD EXAMIANS APP