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Process Control and Instrumentation

Process Control and Instrumentation
Liquid levels in autocalves are measued by

Simple float
Glass gauge
Differential float type manometer
None of these

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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.

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

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Process Control and Instrumentation
Degree to which an instrument indicates the changes in measured variable without dynamic error is called its

Speed of response
Fidielity
Static characteristics
Reproducibility

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Process Control and Instrumentation
__________ temperature scale assigns 0° to the 'ice point' and 80° to the 'steam point'

Rankine
Celcius
Reumur
Farenhite

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Process Control and Instrumentation
Thermal wells used in temperature measurements should have

Low emissivity
High transmissivity of radiation
Polished surface
Very thick walls

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Process Control and Instrumentation
Change of angle of refraction with composition comprises the working principle of a

Polarimeter
Spectrometer
Refractrometer
Polarograph

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