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Process Control and Instrumentation

Process Control and Instrumentation
Gas chromatography is used for the measurement of

Flow rate
Pressure
Concentration
Temperature

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Process Control and Instrumentation
Transfer function of transportation lag is

E-TS
None of these
1/(TS + 1)
ETS

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Process Control and Instrumentation
Psychrometer determines the

Hygroscopic nature of solids
Water of crystallisation
Humidity of gases
Moisture content of solids

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Process Control and Instrumentation
Pick out the most suitable instrument for measuring temperature in the range of-40 to 425°C.

Bimetallic thermometer
Radiation pyrometer
Mercury thermometer
None of these

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Process Control and Instrumentation
Phase lag of the frequency response of a second order system to a sinusoidal forcing function

Is 90° at the most
Is 120°
Is 30°
Approaches 180° asymptotically

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Process Control and Instrumentation
Minute depression of freezing point of a liquid solvent on addition of a solid solute can be best measured by a

Mercury thermometer
Beckman thermometer
Bimetallic thermometer
Dilatometer

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MORE MCQ ON Process Control and Instrumentation

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