Theory of Machine The cam and follower is an example of Sliding pair Higher pair Rolling pair Lower pair Sliding pair Higher pair Rolling pair Lower pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A governor is said to be stable, if the Radius of rotation of balls increases as the equilibrium speed increases Radius of rotation of balls increases as the equilibrium speed decreases Radius of rotation of balls decreases as the equilibrium speed decreases Radius of rotation of balls decreases as the equilibrium speed increases Radius of rotation of balls increases as the equilibrium speed increases Radius of rotation of balls increases as the equilibrium speed decreases Radius of rotation of balls decreases as the equilibrium speed decreases Radius of rotation of balls decreases as the equilibrium speed increases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A thin circular disc is rolling with a uniform linear speed, along a straight path on a plane surface. Which of the following statement is correct in this regard? All points of the disc have the same velocity The point on the disc making contact with the plane surface has zero acceleration The centre of the disc has centrifugal acceleration The centre of the disc has zero acceleration All points of the disc have the same velocity The point on the disc making contact with the plane surface has zero acceleration The centre of the disc has centrifugal acceleration The centre of the disc has zero acceleration 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 (3/4) μ W R cosecα μ W R cosecα (1/2) μ W R cosecα (2/3) μ W R cosecα (3/4) μ W R cosecα μ W R cosecα (1/2) μ W R cosecα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For an isochronous Hartnell governor (where r₁ and r₂ = Maximum and minimum radius of rotation of balls respectively, S₁ and S₂ = Maximum and minimum force exerted on the sleeve respectively, and M = Mass on the sleeve) S₂/S₁ = r₁/r₂ (m.g - S₁)/(m.g - S₂) = r₂/r₁ S₁/S₂ = r₁/r₂ (m.g + S₁)/(m.g + S₂) = r₁/r₂ S₂/S₁ = r₁/r₂ (m.g - S₁)/(m.g - S₂) = r₂/r₁ S₁/S₂ = r₁/r₂ (m.g + S₁)/(m.g + S₂) = r₁/r₂ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When two pulleys of different diameters are connected by means of an open belt, the angle of contact at the ________ pulley must be taken into consideration. Smaller Smaller OR Larger Larger None of the listed here Smaller Smaller OR Larger Larger None of the listed here ANSWER DOWNLOAD EXAMIANS APP