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 0.4 0.8 0.2 0.6 0.4 0.8 0.2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Minimum number of teeth for involute rack and pinion arrangement for pressure angle of 20° is 34 20 10 30 34 20 10 30 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Whirling speed of the shaft is the speed at which Shaft tends to vibrate vigorously in transverse direction Torsional vibrations occur Combination of transverse and longitudinal vibration occurs Shaft tends to vibrate in longitudinal direction Shaft tends to vibrate vigorously in transverse direction Torsional vibrations occur Combination of transverse and longitudinal vibration occurs Shaft tends to vibrate in longitudinal direction ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Coriolis component acts Perpendicular to sliding surfaces None of these Along sliding surfaces Somewhere in between above two Perpendicular to sliding surfaces None of these Along sliding surfaces Somewhere in between above two ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The periodic time of one oscillation for a simple pendulum is (1/2π). √(g/l) 2π. √(g/l) (1/2π). √(l/g) 2π. √(l/g) (1/2π). √(g/l) 2π. √(g/l) (1/2π). √(l/g) 2π. √(l/g) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The magnitude of linear velocity of a point B on a link AB relative to point A is, (Where ω = Angular velocity of the link AB) ω × AB ω × (AB)² ω² × AB (ω × AB)² ω × AB ω × (AB)² ω² × AB (ω × AB)² ANSWER DOWNLOAD EXAMIANS APP
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