Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 3 Hz 6 Hz 3π Hz 6π Hz 3 Hz 6 Hz 3π Hz 6π Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In vibration isolation system, if ω/ωn < 2, then for all values of damping factor, the transmissibility will be (where ω = Angular speed of the system, ωn = Natural frequency of vibration of the system) Zero Greater than unity Less than unity Equal to unity Zero Greater than unity Less than unity Equal to unity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of higher pair is Gears, cams Ball and roller bearings All of these Belt, rope and chain drives Gears, cams Ball and roller bearings All of these Belt, rope and chain drives ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a locomotive, the maximum magnitude of the unbalanced force along the perpendicular to the line of stroke, is known as Tractive force None of these Hammer blow Swaying couple Tractive force None of these Hammer blow Swaying couple ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of completely constrained motion is a Motion of a square bar in a square hole Motion of a shaft with collars at each end in a circular hole Motion of a piston in the cylinder of a steam engine All of these Motion of a square bar in a square hole Motion of a shaft with collars at each end in a circular hole Motion of a piston in the cylinder of a steam engine All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a drag link quick return mechanism, the shortest link is always fixed. The sum of the shortest and longest link is Greater than sum of other two Equal to sum of other two Less than sum of other two There is no such relationship Greater than sum of other two Equal to sum of other two Less than sum of other two There is no such relationship ANSWER DOWNLOAD EXAMIANS APP
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