Theory of Machine When a slider moves on a fixed link having curved surface, their instantaneous centre lies At the centre of curvature At the pin joint On their point of contact At the centre of circle At the centre of curvature At the pin joint On their point of contact At the centre of circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a Hartnell governor, the stiffness of the spring is given by (where S1 and S2 = Spring forces exerted on the sleeve at max. and min. radii of rotation, and h = Compression of the spring) (S₁ + S₂) / h (S₁ + S₂) / 2h (S₁ - S₂) / h (S₁ - S₂) / 2h (S₁ + S₂) / h (S₁ + S₂) / 2h (S₁ - S₂) / h (S₁ - S₂) / 2h ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For a kinematic chain to be considered as mechanism None of the links should be fixed There is no such criterion One link should be fixed Two links should be fixed None of the links should be fixed There is no such criterion One link should be fixed Two links should be fixed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The displacement of the reciprocating roller follower, when it has contact with the straight flanks of the tangent cam, is given by (where r₁ = Minimum radius of the cam, r₂ = Radius of the roller follower, and θ = Angle turned by the cam from the beginning of the follower displacement) (r₁ + r₂) [(1 - cosθ)/cosθ] (r₁ - r₂) (1 - cosθ) (r₁ - r₂) [(1 - cosθ)/cosθ] (r₁ + r₂) (1 + cosθ) (r₁ + r₂) [(1 - cosθ)/cosθ] (r₁ - r₂) (1 - cosθ) (r₁ - r₂) [(1 - cosθ)/cosθ] (r₁ + r₂) (1 + cosθ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Typewriter constitutes Machine Mechanism Structure Inversion Machine Mechanism Structure Inversion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Kinematic pairs are those which have two elements that Permit relative motion Have line contact Are held together Have surface contact Permit relative motion Have line contact Are held together Have surface contact ANSWER DOWNLOAD EXAMIANS APP