Chemical Engineering - Process Control and Instrumentation

31.
In a feed-back control system G and H denote open loop and close loop transfer functions respectively. The output-input relationship is
Answer: Option
Explanation:
No answer description is available. Let's discuss.

32.
Flow rate measurement of hostile acids and alkalis can be most suitably done by a/an
venturimeter
orificemeter
magnetic flow meter
hot wire anemometer
Answer: Option
Explanation:
No answer description is available. Let's discuss.

33.
Compositional analysis of flue gas coming out of a furnace in respect of O2 and CO2% can be continuously done by a/an
orsat apparatus
thermal conductivity cell
zirconia probe
chromatograph
Answer: Option
Explanation:
No answer description is available. Let's discuss.

34.
Thermisters which have a very high temperature co-efficient of resistivity belong to the class of solid called
dielectrics
insulators
semi conductors
conductors
Answer: Option
Explanation:
No answer description is available. Let's discuss.

35.
The pressure sensing element of elastic type pressure gauge is never made in the form of a
bellow
diaphragm
strip
Bourdon tube
Answer: Option
Explanation:
No answer description is available. Let's discuss.