Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 6 Hz 3π Hz 6π Hz 3 Hz 6 Hz 3π Hz 6π Hz 3 Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For dynamic balancing of a shaft The net dynamic force acting on the shaft is equal to zero Both (A) and (B) The net couple due to the dynamic forces acting on the shaft is equal to zero None of these The net dynamic force acting on the shaft is equal to zero Both (A) and (B) The net couple due to the dynamic forces acting on the shaft is equal to zero None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Coriolis component acts None of these Along sliding surfaces Perpendicular to sliding surfaces Somewhere in between above two None of these Along sliding surfaces Perpendicular to sliding surfaces Somewhere in between above two ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A cam with a roller follower would constitute following type of pair Open pair Close pair Lower pair Higher pair Open pair Close pair Lower pair Higher pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. The effect of gyroscopic couple on the aeroplane will be To raise the nose and tail To dip the nose and raise the tail To dip the nose and tail To raise the nose and dip the tail To raise the nose and tail To dip the nose and raise the tail To dip the nose and tail To raise the nose and dip the tail ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four bar chain or quadric cycle chain One is a turning pair and three are sliding pairs Each of the four pairs is a turning pair Two are turning pairs and two are sliding pairs Three are turning pairs and one is a sliding pair One is a turning pair and three are sliding pairs Each of the four pairs is a turning pair Two are turning pairs and two are sliding pairs Three are turning pairs and one is a sliding pair ANSWER DOWNLOAD EXAMIANS APP
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