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Process Control and Instrumentation

Process Control and Instrumentation
Concentration of sugar solution can be determined by the

Oscillometry
Emission spectroscopy
Polarimetry
Flame photometry

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Process Control and Instrumentation
Flow rate through an orifice is __________ the pressure differential.

Proportional to
Proportional to the square root of
Inversely proportional to the square of
Inversely proportional to the square root of

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Process Control and Instrumentation
Continuous shell temperature measurement in a liquid-liquid heat exchanger is done by a

Reistance thermometer
Thermocouple
Vapor pressure thermometer
Mercury in glass thermometer

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Process Control and Instrumentation
Temperature measurement by optical pyrometer is done above __________ point, which is 1063°C.

Silver
Antimony
Nickel
Gold

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Process Control and Instrumentation
Which of the following is an undesirable dynamic characteristic of an instrument?

Reproducibility
Time lag
Static error
Dead zone

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

Temperature
Concentration
Flow rate
Pressure

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