Chemical Engineering - Process Control and Instrumentation

36. 

Resistance of a gas in a vessel is given by (where, P = pressure, V = volume of the vessel, n = no. of moles of the gas, R = gas constant)

A.
B.
C.
D.

Answer: Option A

Explanation:

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37. 

Measurement of pressure in ammonia reactor is done by

A. Bourdon gauge
B. U-tube manometer
C. Inclined tube manometer
D. Pirani guage

Answer: Option A

Explanation:

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38. 

The fluid used in hydraulic controller is

A. water
B. steam
C. air
D. oil

Answer: Option D

Explanation:

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39. 

Flow rate of a river is measured by a/an

A. pitot tube
B. vane meter
C. kennison nozzle
D. open weir

Answer: Option B

Explanation:

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40. 

Which of the following thermocouple materials does not contain nickel ?

A. Alumel
B. Chromel
C. Constantan
D. None of these.

Answer: Option D

Explanation:

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