Theory of Machine In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to 0.6 0.2 0.4 0.8 0.6 0.2 0.4 0.8 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For dynamic balancing of a shaft None of these The net couple due to the dynamic forces acting on the shaft is equal to zero The net dynamic force acting on the shaft is equal to zero Both (A) and (B) None of these The net couple due to the dynamic forces acting on the shaft is equal to zero The net dynamic force acting on the shaft is equal to zero Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A watt's governor can work satisfactorily at speeds from 200 to 300 r.p.m. 100 to 200 r.p.m. 80 to 100 r.p.m. 60 to 80 r.p.m. 200 to 300 r.p.m. 100 to 200 r.p.m. 80 to 100 r.p.m. 60 to 80 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The acceleration of the particle moving with simple harmonic motion is _________ at the mean position. Maximum Minimum Zero None of these Maximum Minimum Zero None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Coriolis component of acceleration is taken into account for Quick return motion mechanism All of these Four bar chain mechanism Slider crank mechanism Quick return motion mechanism All of these Four bar chain mechanism Slider crank mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In multi V-belt transmission, if one of the belt is broken, we have to change the Broken belt and its adjacent belts There is no need of changing any one as remaining belts can take care of transmission of load All the belts Broken belt Broken belt and its adjacent belts There is no need of changing any one as remaining belts can take care of transmission of load All the belts Broken belt ANSWER DOWNLOAD EXAMIANS APP
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