Theory of Machine In an open pair, the two elements of a pair Have a surface contact when in motion Are not held together mechanically Have a line or point contact when in motion Are kept in contact by the action of external forces, when in motion Have a surface contact when in motion Are not held together mechanically Have a line or point contact when in motion Are kept in contact by the action of external forces, when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The pressure angle of a cam depends upon All of these Angle of ascent Offset between center lines of cam and follower Lift of follower All of these Angle of ascent Offset between center lines of cam and follower Lift of follower ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 3π Hz 3 Hz 6π Hz 6 Hz 3π Hz 3 Hz 6π Hz 6 Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Hammer blow Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses. Varies inversely with the square of the speed Varies as the square root of the speed Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses. Varies inversely with the square of the speed Varies as the square root of the speed Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the body is suspended at the point of suspension, its periodic time and frequency will be ________ as compared to the body suspended at the point of percussion. None of these Two times Four times Same None of these Two times Four times Same ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The swaying couple is due to the Primary unbalanced force Two cylinders of locomotive Partial balancing Secondary unbalanced force Primary unbalanced force Two cylinders of locomotive Partial balancing Secondary unbalanced force ANSWER DOWNLOAD EXAMIANS APP
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