Theory of Machine In locomotives, the ratio of the connecting rod length to me crank radius is kept very large in order to Have perfect balancing Minimize the effect of secondary forces Minimize the effect of primary forces To start the locomotive quickly Have perfect balancing Minimize the effect of secondary forces Minimize the effect of primary forces To start the locomotive quickly ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A thin circular disc is rolling with a uniform linear speed, along a straight path on a plane surface. Which of the following statement is correct in this regard? The centre of the disc has zero acceleration All points of the disc have the same velocity The centre of the disc has centrifugal acceleration The point on the disc making contact with the plane surface has zero acceleration The centre of the disc has zero acceleration All points of the disc have the same velocity The centre of the disc has centrifugal acceleration The point on the disc making contact with the plane surface has zero acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Oldham's coupling is the Second inversion of single slider crank chain Second inversion of double slider crank chain Third inversion of slider crank chain Third inversion of double slider crank chain Second inversion of single slider crank chain Second inversion of double slider crank chain Third inversion of slider crank chain Third inversion of double slider crank chain ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft has an attached disc at the centre of its length. The disc has its centre of gravity located at a distance of 2 mm from the axis of the shaft. When the shaft is allowed to vibrate in its natural bow-shaped mode, it has a frequency of vibration of 10 rad/s. When the shaft is rotated at 300 r.p.m., it will whirl with a radius of 2 mm 2.22 mm 3.0 mm 2.50 mm 2 mm 2.22 mm 3.0 mm 2.50 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A system in dynamic balance implies that There will absolutely no wear of bearings The system is critically damped The system is also statically balanced There is no critical speed in the system There will absolutely no wear of bearings The system is critically damped The system is also statically balanced There is no critical speed in the system ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Rectangular bar in a rectangular hole is the following type of pair Partially constrained motion Incompletely constrained motion Completely constrained motion Freely constrained motion Partially constrained motion Incompletely constrained motion Completely constrained motion Freely constrained motion ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS