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Chemical Engineering - Process Control and Instrumentation

Exercise : Process Control and Instrumentation - Section 5
36.
Process degree of freedom indicates __________ number of controllers to be used.
the maximum
the minimum
both maximum and the minimum
nothing about the
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
Characteristic equation is the denominator of __________ loop transfer function.
open
closed
both (a)and (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
Operating range of a temperature measuring instrument is 800 to 1600°C. It could be a/an __________ pyrometer.
radiation
optical
photoelectric
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
Polarograph is meant for the analysis of
gaseous mixture
miscible liquids
solids
isotopes
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
Which of the following fluid flow measuring devices can measure the largest flow rate ?
V-notch
Rotameter
Orificemeter
Weir
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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