Theory of Machine The velocity of the reciprocating roller follower when it has contact with the straight flanks of the tangent cam, is given by (where ω = Angular velocity of the cam shaft) ω (r₁ + r₂) cosθ cosec2θ ω (r₁ + r₂) sinθ sec2θ ω (r₁ r₂) sinθ ω (r₁ r₂) cosθ ω (r₁ + r₂) cosθ cosec2θ ω (r₁ + r₂) sinθ sec2θ ω (r₁ r₂) sinθ ω (r₁ r₂) cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A spring controlled governor is said to be unstable when the controlling force Remains constant for all radii of rotation Decreases as the radius of rotation increases Increases as the radius of rotation decreases Increases as the radius of rotation increases Remains constant for all radii of rotation Decreases as the radius of rotation increases Increases as the radius of rotation decreases Increases as the radius of rotation increases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free transverse vibrations due to a point load acting over a simply supported shaft is equal to (where δ = Static deflection of a simply supported shaft due to the point load) 0.6253/√δ 0.5615/√δ 0.4985/√δ 0.571/√δ 0.6253/√δ 0.5615/√δ 0.4985/√δ 0.571/√δ 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? The centre of the disc has centrifugal acceleration The point on the disc making contact with the plane surface has zero acceleration The centre of the disc has zero acceleration All points of the disc have the same velocity The centre of the disc has centrifugal acceleration The point on the disc making contact with the plane surface has zero acceleration The centre of the disc has zero acceleration All points of the disc have the same velocity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The relative velocity of B with respect to A in a rigid link AB is At 45° to AB Perpendicular to AB Parallel to AB Along AB At 45° to AB Perpendicular to AB Parallel to AB Along AB ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine According to Kennedy's theorem, if three bodies move relatively to each other, their instantaneous centers will lie on a Rectangle Straight line Parabolic curve Triangle Rectangle Straight line Parabolic curve Triangle ANSWER DOWNLOAD EXAMIANS APP
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