Theory of Machine The periodic time is given by (where ω = Angular velocity of the particle in rad/s) ω/2π ω × 2π π/ω 2π/ω ω/2π ω × 2π π/ω 2π/ω ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The effort of a Porter governor is equal to (where c = Percentage increase in speed, m = Mass of ball, and M = Mass on the sleeve) c (m + M) g c (m - M) g c/(m - M) g c/(m + M) g c (m + M) g c (m - M) g c/(m - M) g c/(m + M) g ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a steam engine, one method of obtaining the earlier cut-off with a simple slide valve is by increasing the angle of advance of the eccentric while the throw of the eccentric, steam lap and exhaust lap are kept constant. This method will Reduce maximum opening of port to steam Cause withdrawing or throttling of steam All of these Reduce length of effective stroke of piston Reduce maximum opening of port to steam Cause withdrawing or throttling of steam All of these Reduce length of effective stroke of piston ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ω/ωn = 2, where co is the frequency of excitation and ωn is the natural frequency of vibrations, then the transmissibility of vibration will the 2 1 0.5 1.5 2 1 0.5 1.5 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Oldham's coupling is the Second inversion of single slider crank chain Second inversion of double slider crank chain Third inversion of double slider crank chain Third inversion of slider crank chain Second inversion of single slider crank chain Second inversion of double slider crank chain Third inversion of double slider crank chain Third inversion of slider crank chain ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A kinematic chain requires at least 5 links and 4 turning pairs 4 links and 4 turning pairs 3 links and 4 turning pairs 2 links and 3 turning pairs 5 links and 4 turning pairs 4 links and 4 turning pairs 3 links and 4 turning pairs 2 links and 3 turning pairs ANSWER DOWNLOAD EXAMIANS APP
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