+1 vote
in Fermentation Technology by (72.1k points)
The manual control consists of ___________ to regulate the temperature.

(a) Safety valve

(b) Needle valve

(c) Butterfly valve

(d) Steam valve

I got this question during an internship interview.

My doubt stems from Instrumentation and Control in portion Instrumentation and Control of Fermentation Technology

1 Answer

+2 votes
by (424k points)
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Best answer
Correct choice is (d) Steam valve

To explain I would say: The example of control is manual control which consists of steam valves to regulate the temperature of the water flowing through the pipe. It also corrects the temperature deviation.

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