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Chemical Engineering - Process Control and Instrumentation

Exercise : Process Control and Instrumentation - Section 1
21.
Thermal conductivity measurement com-prises the working principle of a
CO2 analyser
polarimeter
spectrometer
chromatograph
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Response of a system to a sinusoidal input is called __________ response.
impluse
unit step
frequency
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
The closed loop pole of a stable second order system could be
both real and positive.
complex conjugate with positive real parts.
both real and negative.
one real positive and the other real negative.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Smoke density of the flue gas going out of the chimney is measured by a
polarograph
thermal conductivity meter
photo electric cell
chromatograph
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
Transfer function of transportation lag is
eTS
e-TS
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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