Correct answer
D. 20
Explanation
The correct answer is 20.
________ is used as a material of construction for the blade of power saw?
Velocity at a certain point in case of streamline flow is________?
Heat transfer rate per unit area is called________?
For turbulent flow in smooth circular pipe, the velocity distribution is a function of the distance ‘d’ measured from the wall of the pipe and the friction velocity ‘v’, and it follows a ________ relationship?
Permissible safe limit (TLV) of ________ toxic gas is 100-1000 parts per million (ppm)?
Electro deposition of metals i.e. electroplating is never done on________?