Theory of Machine A mass of 1 kg is attached to the end of a spring with a stiffness of 0.7 N/mm. The critical damping coefficient of this system is 18.52 N-s/m 1.4 N-s/m 529.2 N-s/m 52.92 N-s/m 18.52 N-s/m 1.4 N-s/m 529.2 N-s/m 52.92 N-s/m ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a point moves along a straight line, its acceleration will have Tangential component only Coriolis component only Radial component only Radial and tangential components both Tangential component only Coriolis component only Radial component only Radial and tangential components both ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of height of Porter governor (when length of arms and links are equal) to the height of Watt's governor is (where m = Mass of the ball, and M = Mass on the sleeve) (m + M)/m m/(m + M) M/(m + M) (m + M)/M (m + M)/m m/(m + M) M/(m + M) (m + M)/M ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free transverse vibrations due to uniformly distributed load acting over a simply supported shaft is (where δS = Static deflection of simply supported shaft due to uniformly distributed load) 0.6253/ √δS 0.571/ √δS 0.5615/ √δS 0.4985/ √δS 0.6253/ √δS 0.571/ √δS 0.5615/ √δS 0.4985/ √δS ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the speed of the engine fluctuates continuously above and below the mean speed, the governor is said to be Stable Hunt Isochronous Unstable Stable Hunt Isochronous Unstable ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The unbalanced force due to revolving masses Varies in magnitude and direction both Constant in magnitude and direction both Varies in magnitude but constant in direction Varies in direction but constant in magnitude Varies in magnitude and direction both Constant in magnitude and direction both Varies in magnitude but constant in direction Varies in direction but constant in magnitude ANSWER DOWNLOAD EXAMIANS APP
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