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Process Control and Instrumentation

Process Control and Instrumentation
Stroboscope is used for the measurement of

Frequency of light
Depression of freezing point
Rpm of a flywheel
Liquid level under pressure

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Process Control and Instrumentation
Identify an unbounded input from inputs whose transfer functions are given below

1/S²
1/S
1
1/(S² + 1)

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Process Control and Instrumentation
Thermal conductivity based continuous flue gas analyser makes use of varying thermal conductivity of the constituents of flue gases. Which of the following constituents of flue gases has the maximum thermal conductivity?

CO
CO₂
O₂
N₂

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Process Control and Instrumentation
Feed forward controller accounts for the __________ changes.

Load
Both A & B
Set point
Neither A nor B

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Process Control and Instrumentation
Specific gravity of a liquid can not be measured by a/an

Anemometer
Hydrometer
Specific gravity bottle
Pycnometer

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Process Control and Instrumentation
Emf generated in a thermocouple depends on the temperature

Difference between hot and cold junctions
Of cold junction only
Of hot junction only
Difference between cold junction and atmospheric temperature

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MORE MCQ ON Process Control and Instrumentation

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