Theory of Machine A circle passing through the pitch point with its center at the center of cam axis is known as Prime circle Base circle Pitch circle Outer circle Prime circle Base circle Pitch circle Outer circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The danger of breakage and vibration is maximum Near the critical speed None of these Above the critical speed Below the critical speed Near the critical speed None of these Above the critical speed Below the critical speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a radial cam, the follower moves In a direction perpendicular to the cam axis In any direction irrespective of the cam axis Along the cam axis In a direction parallel to the cam axis In a direction perpendicular to the cam axis In any direction irrespective of the cam axis Along the cam axis In a direction parallel to the cam axis ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Effort of a governor is the Work-done at the sleeve for maximum equilibrium speed None of these Mean force exerted at the sleeve for maximum equilibrium speed Mean force exerted at the sleeve for a given percentage change of speed Work-done at the sleeve for maximum equilibrium speed None of these Mean force exerted at the sleeve for maximum equilibrium speed Mean force exerted at the sleeve for a given percentage change of speed 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 (m.g + S₁)/(m.g + S₂) = r₁/r₂ S₁/S₂ = r₁/r₂ S₂/S₁ = r₁/r₂ (m.g - S₁)/(m.g - S₂) = r₂/r₁ (m.g + S₁)/(m.g + S₂) = r₁/r₂ S₁/S₂ = r₁/r₂ 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 2 0.5 0.25 1 2 0.5 0.25 1 ANSWER DOWNLOAD EXAMIANS APP
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