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Process Control and Instrumentation

Process Control and Instrumentation
The response of two tanks of same size and resistance in series is

Over damped
Critically damped
None of these
Under damped

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Process Control and Instrumentation
Liquid argon level in a pressurised storage tank (at 3 kg/cm² ) is measured by a/an

None of these
Differential pressure gage
Gage glass
External float gage

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Process Control and Instrumentation
The frequency at which maximum amplitude ratio is attained is called the __________ frequency.

Corner
Natural
Cross-over
Resonant

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

Dilatometer
Polarimeter
Polarograph
Refractrometer

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

Spectrometer
Chromatograph
Polarimeter
CO₂ analyser

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Process Control and Instrumentation
Flame photometry is used for the determination of compositional analysis of

Natural gas
Isotopes
Alkali metals
Solids

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