Theory of Machine The unbalanced force due to revolving masses Constant in magnitude and direction both Varies in direction but constant in magnitude Varies in magnitude and direction both Varies in magnitude but constant in direction Constant in magnitude and direction both Varies in direction but constant in magnitude Varies in magnitude and direction both Varies in magnitude but constant in direction ANSWER DOWNLOAD EXAMIANS APP
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 - r₁) (1 - cosθ) R (1 - cosθ) (R - r₁) (1 - sinθ) R (1 - sinθ) (R - r₁) (1 - cosθ) R (1 - cosθ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a mass of a critically damped single degree of freedom system is deflected from its equilibrium position and released, then it will Oscillate with constant amplitude Return to equilibrium position without oscillation Oscillate with decreasing amplitude Oscillate with increasing time period Oscillate with constant amplitude Return to equilibrium position without oscillation Oscillate with decreasing amplitude Oscillate with increasing time period ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a point moves along a straight line, its acceleration will have Radial and tangential components both Tangential component only Radial component only Coriolis component only Radial and tangential components both Tangential component only Radial component only Coriolis component only ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The minimum length of the coupler will be Slightly more than 45 mm 95 mm Slightly less than 45 mm 45 mm Slightly more than 45 mm 95 mm Slightly less than 45 mm 45 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Hammer blow Varies as the square root of the speed Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses. Varies inversely with the square of the speed Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses Varies as the square root of the speed Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses. Varies inversely with the square of the speed Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses ANSWER DOWNLOAD EXAMIANS APP
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