Theory of Machine When the crank is at the outer dead centre, in a reciprocating steam engine, then the acceleration of the piston will be ω² r {(n - 1)/n} ω² r {n/(n + 1)} ω² r {(n + 1)/n} ω² r {n/(n - 1)} ω² r {(n - 1)/n} ω² r {n/(n + 1)} ω² r {(n + 1)/n} ω² r {n/(n - 1)} 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 Unstable Isochronous Stable Hunt Unstable Isochronous Stable Hunt 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 radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing) r tanφ r sinφ (r/2) cosφ r cosφ r tanφ r sinφ (r/2) cosφ r cosφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The acceleration of a particle at any instant has two components i.e. radial component and tangential component. These two components will be Parallel to each other Perpendicular to each other Inclined at 45° Opposite to each other Parallel to each other Perpendicular to each other Inclined at 45° Opposite to each other ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a body moves with simple harmonic motion, the product of its periodic time and frequency is equal to π π/2 Zero One π π/2 Zero One ANSWER DOWNLOAD EXAMIANS APP
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