Cascade control is________?

1943Chemical EngineeringMedium

AAll A, B & C

BUsed when changes in process conditions cause serious upsets in the controlled variable

CThe continuous adjustment of the set point index of an automatic control loop by a primary(master) controller

DUseful to control flow from temperature

Correct answer

A. All A, B & C

Explanation

The correct answer is All A, B & C.

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