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Chemical Engineering - Process Control and Instrumentation

Exercise : Process Control and Instrumentation - Section 1
41.
The symbol for "capillary line" in instrumentation diagram is
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
__________ is undesirable in thermocouples used in industries,
Linear relation of emf to temperature
Corrosion resistance
Oxidation resistance
Non-linear relation of emf to temperature
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
Select the correct statement from the following.
The frequency response of a pure capacity process is unbounded.
The phase lag of a pure time delay system decreases with increasing frequency.
The amplitude ratio of a pure capacity process is inversely proportional to frequency.
The amplitude ratio of a pure time delay system increases with frequency.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
For an input forcing function, X(t) = 2t2, the Laplace transform of this function is
2/s2
4/s2
2/s3
4/s3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
Continuous shell temperature measurement in a liquid-liquid heat exchanger is done by a
thermocouple
reistance thermometer
mercury in glass thermometer
vapor pressure thermometer
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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