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 0.2 0.6 0.8 0.4 0.2 0.6 0.8 0.4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Higher pairs are those which have Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Two elements that permit relative motion Surface contact between the two elements when in motion Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Two elements that permit relative motion Surface contact between the two elements when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Oldham’s coupling is an inversion of the kinematic chain used in Elliptical trammels Rotary engine Universal joint Whitworth quick return mechanism Elliptical trammels Rotary engine Universal joint Whitworth quick return mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Coriolis component of acceleration depends upon Both (A) and (B) None of these Velocity of slider Angular velocity of the link Both (A) and (B) None of these Velocity of slider Angular velocity of the link ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The danger of breakage and vibration is maximum Below the critical speed Above the critical speed None of these Near the critical speed Below the critical speed Above the critical speed None of these Near the critical speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Balancing of rotating and reciprocating parts of an engine is necessary when it runs at Highs peed Any one of these Moderate speed Slow speed Highs peed Any one of these Moderate speed Slow speed ANSWER DOWNLOAD EXAMIANS APP
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