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Process Control and Instrumentation

Process Control and Instrumentation
Thermal conductivity measurement com-prises the working principle of a

CO₂ analyser
Polarimeter
Chromatograph
Spectrometer

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Process Control and Instrumentation
Thermal conductivity cell is the primary element of a/an __________ analyser.

Sulphur dioxide
Carbon monoxide
Oxygen
Carbon dioxide

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Process Control and Instrumentation
Ordinary mercury in glass thermometer is used for measuring temperature upto 120°C. However, for measuring higher temperature upto __________ °C, thermometer is made by filling nitrogen under pressure above the mercury, which stops the evaporation of mercury and reduces the chance of broken thread of mercury.

350
700
250
550

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

Emission spectroscopy
Flame photometry
Polarimetry
Oscillometry

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

Mercury in glass thermometer
Thermocouple
Vapor pressure thermometer
Reistance thermometer

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Process Control and Instrumentation
In a single tank system, the transfer function of __________ to inlet flow rate is 1/TS+1.

Both A & B Here
Level
Neither A nor B Here
Outlet flow rate

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