Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 3π Hz 6π Hz 6 Hz 3 Hz 3π Hz 6π Hz 6 Hz 3 Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A typewriter mechanism has 7 numbers of binary joints, six links and none of higher pairs. The mechanism is Data is not sufficient to determine same Not sound Soundness would depend upon which link is kept fixed Kinematically sound Data is not sufficient to determine same Not sound Soundness would depend upon which link is kept fixed Kinematically sound ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the sleeve of a Porter governor moves downwards, the governor speed First increases and then decreases Increases Decreases Remain unaffected First increases and then decreases Increases Decreases Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The purpose of a link is to Act as a support All of these Transmit motion Guide other links Act as a support All of these Transmit motion Guide other links 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) Equal to unity Greater than unity Zero Less than unity Equal to unity Greater than unity Zero Less than unity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Minimum number of teeth for involute rack and pinion arrangement for pressure angle of 20° is 34 10 30 20 34 10 30 20 ANSWER DOWNLOAD EXAMIANS APP
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