Theory of Machine
The ratio of the maximum displacement of the forced vibration to the deflection due to the static force, is known as

Logarithmic decrement
Magnification factor
Damping factor
Damping coefficient

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 point on the disc making contact with the plane surface has zero acceleration
The centre of the disc has zero acceleration
The centre of the disc has centrifugal acceleration
All points of the disc have the same velocity

ANSWER DOWNLOAD EXAMIANS APP