Chemical Engineering > GATE 2022 > Controller Actions
A control system on the jacket side of a reactor is shown in the figure. Pressurized
water flows through the jacket to cool the reactor. The heated water flashes in the
boiler. The exothermic reaction heat thus generates steam. Fresh boiler feed water
(BFW) is added to make-up for the loss of water as steam. Assume that all control
valves are air-to-open. The controller action, ‘direct’ or ‘reverse’, is defined with
respect to the controller. Select the option that correctly specifies the action of the
controllers.
Correct : c
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