Answer Posted / prabodh kumar

Definition = It is such a real time memory based controller which cab be programmed logically a/c to our requirement.

Use= in controlling any type of operation of machines.
ex- packaging machine of food, braveries, water

Application= in controlling action of any kind of not only machines but also lighting system

Advantages= By using this we can do a lot of work in short of time ,
it is real time operated device,
we can increase i/p & o/p
we can erase the program.

Please can anybody help for control valve sizing step by step procedure?

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