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Process Control and Instrumentation

Process Control and Instrumentation
Optical activity of a solution can be determined using a

Polarograph
Polarimeter
Refractrometer
Dilatometer

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Process Control and Instrumentation
__________ thermometer can not measure sub-zero (< 0° C) temperature,

Resistance
Mercury in glass
Bimetallic
Vapor pressure

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Process Control and Instrumentation
Humidity of air can be determined by a

Chromatograph
Polarimeter
Mass spectrometer
Sling psychrometer

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Process Control and Instrumentation
Emission spectroscopy is used for

Determination of CO₂ in gases
NOxdetermination
Solids and metal analysis
Determining water purity

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Process Control and Instrumentation
Which of the following relates the emf. generated in a single homogeneous wire to the temperature difference?

Peltier effect
Thomson effect
None of these
Seebeck effect

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Process Control and Instrumentation
Dead zone is the

Same as transportation lag
None of these
Maximum change in the variable that does not change the reading of the instrument
Same as time constant

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