Chemical Engineering - Process Control and Instrumentation - Discussion
Discussion Forum : Process Control and Instrumentation - Section 6 (Q.No. 7)
7.
Temperature control of an exothermic chemical reaction taking place in a CSTR is done with the help of cooling water flowing in a jacket around the reactor. The types of valve and controller action to be recommended are
Discussion:
4 comments Page 1 of 1.
Lance said:
3 months ago
I think It should be option B.
Deepak said:
7 years ago
Yes, answer should be 'B'.
(2)
Vivek pal said:
8 years ago
Valve should be air fail to open and indirect action, so that correct answer is B.
(2)
Satish said:
9 years ago
What action was it taken during fail-safe?
If inst air failed, cv will close in air to open condition, at that time no flow in jacket leads to pressurization of the jacket if reaction uncontrolled.
If inst air failed, cv will close in air to open condition, at that time no flow in jacket leads to pressurization of the jacket if reaction uncontrolled.
(1)
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