On what difference does the pneumatic system works?(a) Speed(b) Pressure(c) Area(d) LengthThe question was asked during an interview.My question is based upon Classification of Control Systems in portion Control System and Components of Control Systems

On what difference does the pneumatic system works?(a) Speed(b) Pressu

1.	On what difference does the pneumatic system works?(a) Speed(b) Pressure(c) Area(d) LengthThe question was asked during an interview.My question is based upon Classification of Control Systems in portion Control System and Components of Control Systems
Answer» CORRECT OPTION is (b) PRESSURE To explain: A pneumatic system works due to pressure difference of air or any other gas. Air at a pressure, pi is injected through the input manifold. It also CONSISTS of mass, coefficient of viscous friction and spring CONSTANT and the pressure difference created due to that, gives rise to pneumatic system.

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