Theory of Machine A body is said to be under forced vibrations, when A body vibrates under the influence of external force There is a reduction in amplitude after every cycle of vibration None of these No external force acts on a body, after giving it an initial displacement A body vibrates under the influence of external force There is a reduction in amplitude after every cycle of vibration None of these No external force acts on a body, after giving it an initial displacement 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 locus of a point on a thread unwound from a cylinder will be Cycloidal A circle Involute A straight line Cycloidal A circle Involute A straight line ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Oldham’s coupling is an inversion of the kinematic chain used in Rotary engine Whitworth quick return mechanism Universal joint Elliptical trammels Rotary engine Whitworth quick return mechanism Universal joint Elliptical trammels ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine V-belts are usually used for Short drives Long and short drives None of these Long drives Short drives Long and short drives None of these Long drives ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of higher pair is Ball and roller bearings Belt, rope and chain drives All of these Gears, cams Ball and roller bearings Belt, rope and chain drives All of these Gears, cams ANSWER DOWNLOAD EXAMIANS APP
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