Theory of Machine The frequency of damped vibrations with viscous damping is ________ the frequency of undamped vibrations. Same as Less than None of these More than Same as Less than None of these More than ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The power transmitted by a belt is maximum when the maximum tension in the belt is _________ of centrifugal tension. One-third Double Three times Two-third One-third Double Three times Two-third ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The size of cam depends upon Base circle Pitch circle Pitch curve Prime circle Base circle Pitch circle Pitch curve Prime circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Cam angle is defined as the angle During which the follower returns to its initial position Through which, the cam rotates during the period in which the follower remains in the highest position Moved by the cam from the instant the follower begins to rise, till it reaches its highest position Of rotation of the cam for a definite displacement of the follower During which the follower returns to its initial position Through which, the cam rotates during the period in which the follower remains in the highest position Moved by the cam from the instant the follower begins to rise, till it reaches its highest position Of rotation of the cam for a definite displacement of the follower 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) (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] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The number of links in pantograph mechanism is equal to 3 4 2 5 3 4 2 5 ANSWER DOWNLOAD EXAMIANS APP