Theory of Machine The displacement of a flat faced follower when it has contact with the flank of a circular arc cam, is given by (where R = Radius of flank, r₁ = Minimum radius of the cam, and θ = Angle turned through by the cam) (R - r₁) (1 - sinθ) R (1 - sinθ) R (1 - cosθ) (R - r₁) (1 - cosθ) (R - r₁) (1 - sinθ) R (1 - sinθ) R (1 - cosθ) (R - r₁) (1 - cosθ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If there are L number of links in a mechanism, then number of possible inversions is equal to L L + 1 L - 1 L + 2 L L + 1 L - 1 L + 2 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 0.5 0.25 2 1 0.5 0.25 2 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Hammer blow Varies inversely with the square of the speed Varies as the square root of the speed Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses. Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses Varies inversely with the square of the speed Varies as the square root of the speed Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses. Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The stress induced in a body will be shear stress, when it is subjected to Transverse vibrations None of these Torsional vibrations Longitudinal vibrations Transverse vibrations None of these Torsional vibrations Longitudinal vibrations ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In order to balance the reciprocating masses, Primary forces and couples must be balanced Secondary forces and couples must be balanced Both (A) and (B) None of these Primary forces and couples must be balanced Secondary forces and couples must be balanced Both (A) and (B) None of these ANSWER DOWNLOAD EXAMIANS APP
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