Chemical Engineering - Process Control and Instrumentation

41. 

Flow rate of sludge is not measured by a/an

A. orificemeter
B. open weir
C. kennison nozzle
D. both(b)&(c)

Answer: Option D

Explanation:

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42. 

In a shell and tube heat exchanger, the inlet temperature of heating/cooling fluid is the __________ variable.

A. load
B. manipulated
C. controlled
D. none of these

Answer: Option A

Explanation:

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43. 

Which of following error integral is considered as the best criterion in controller settings ?

A.
B.
C.
D. none of these

Answer: Option C

Explanation:

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44. 

Polarisation of light forms the working principle of a

A. polarimeter
B. polarograph
C. chromatograph
D. spectrometer

Answer: Option A

Explanation:

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45. 

A bimetallic thermometer as compared to industrial mercury in glass thermometer has almost the same

A. temperature measuring range (- 40°C to 450°C).
B. accuracy (± 1% of span).
C. speed of response.
D. all a, b & c.

Answer: Option D

Explanation:

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