CIL ME Tech Quiz 10

Relative roughness is_________, where ϵ is average height of the surface irregularities and D is the pipe diameter.

Which type of tolerance provided in drilling mostly?

Property by virtue of which material can absorb strain energy without plastic deformation is called :

Which of the following is an example of mechanical irreversibility?

The Nusselt number is related to Reynolds number in laminar and turbulent flows respectively as

Which of the following system of working was introduced Frederick W. Taylor?

Runners, gates and risers are attached to the pattern to __________.

According to thumb rule the guides are required when the ratio of free length of spring to mean coil diameter is

A helicopter propeller rotates in counter-clockwise direction when seen from the top about the vertical axis. The helicopter takes a left turn in the horizontal plane about the vertical axis. The effect of gyroscopic couple will be