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 Less than unity Zero Equal to unity Greater than unity Less than unity Zero ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A body is said to be under forced vibrations, when No external force acts on a body, after giving it an initial displacement A body vibrates under the influence of external force None of these There is a reduction in amplitude after every cycle of vibration No external force acts on a body, after giving it an initial displacement A body vibrates under the influence of external force None of these There is a reduction in amplitude after every cycle of vibration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine With single Hooke's joint it is possible to connect two shafts, the axes of which have an angular misalignment up to 30° 40° 10° 20° 30° 40° 10° 20° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The centre of gravity of a coupler link in a four bar mechanism will experience Only linear acceleration Both linear and angular acceleration Only angular acceleration No acceleration Only linear acceleration Both linear and angular acceleration Only angular acceleration No acceleration 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 Hammer blow Swaying couple Tractive force None of these Hammer blow Swaying couple Tractive force None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of higher pair is Gears, cams All of these Belt, rope and chain drives Ball and roller bearings Gears, cams All of these Belt, rope and chain drives Ball and roller bearings ANSWER DOWNLOAD EXAMIANS APP