Hydraulic machines are the tools and the machines that utilize the fluid power of liquid for taking the required actions. This is the fluid which is used in heavy equipment as well as other types of medium. The fluid gets the pressure as per the resistance present after its transmission throughout the machine to other hydraulic cylinders and hydraulic motors.

Pneumatic machines are used for applying the fluid power by using a gaseous media under pressure for controlling, generating and transmitting the power with the help of compressed gas.

BY Best Interview Question ON 21 Apr 2019