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 Less than unity Zero Greater than unity Equal to unity Less than unity Zero Greater than unity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Coriolis component of acceleration acts At 45° to the sliding surface Perpendicular to the sliding surface Parallel to the sliding surface Along the sliding surface At 45° to the sliding surface Perpendicular to the sliding surface Parallel to the sliding surface Along the sliding surface ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a shaper mechanism, the Coriolis component of acceleration will Exist Not exist Depend on position of crank None of these Exist Not exist Depend on position of crank None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The brake commonly used in railway trains is Internal expanding brake Band brake Shoe brake Band and block brake Internal expanding brake Band brake Shoe brake Band and block brake ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a locomotive, the resultant unbalanced force due to the two cylinders along the line of stroke, is known as Swaying couple None of these Tractive force Hammer blow Swaying couple None of these Tractive force Hammer blow ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Length of arc of contact is given by Arc of approach + Arc of recess Arc of approach - Arc of recess Arc of approach / Arc of recess Arc of approach × Arc of recess Arc of approach + Arc of recess Arc of approach - Arc of recess Arc of approach / Arc of recess Arc of approach × Arc of recess ANSWER DOWNLOAD EXAMIANS APP