Theory of Machine The main disadvantage of the sliding pair is that it is Difficult to manufacture Bulky Both (A) and (B) above Wears rapidly Difficult to manufacture Bulky Both (A) and (B) above Wears rapidly ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Whirling speed of the shaft is the speed at which Shaft tends to vibrate in longitudinal direction Torsional vibrations occur Combination of transverse and longitudinal vibration occurs Shaft tends to vibrate vigorously in transverse direction Shaft tends to vibrate in longitudinal direction Torsional vibrations occur Combination of transverse and longitudinal vibration occurs Shaft tends to vibrate vigorously in transverse direction ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An exact straight line motion mechanism is a Peaucellier's mechanism Scott-Russell's mechanism Hart's mechanism All of these Peaucellier's mechanism Scott-Russell's mechanism Hart's mechanism All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The mechanism forms a structure, when the number of degrees of freedom (n) is equal to 2 -1 1 2 -1 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness of the shaft, and I = Mass moment of inertia of the disc attached at the end of a shaft) 1/2π (1/2π). √(q/I) 2π. √(q/I) 2π qI 1/2π (1/2π). √(q/I) 2π. √(q/I) 2π qI ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Inertia force acts Perpendicular to the acceleration force None of the listed here Along the direction of acceleration force Opposite to the direction of acceleration force Perpendicular to the acceleration force None of the listed here Along the direction of acceleration force Opposite to the direction of acceleration force ANSWER DOWNLOAD EXAMIANS APP
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