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Process Control and Instrumentation

Process Control and Instrumentation
A mercury barometer measures the __________ pressure.

Gauge
Vacuum
Absolute
Atmospheric

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Process Control and Instrumentation
Polarograph is meant for the analysis of

Gaseous mixture
Miscible liquids
Isotopes
Solids

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Process Control and Instrumentation
Non-metallic diaphragm used as pressure sensor in instruments is generally made of

Bakelite
Teflon
Synthetic rubber
Thick paper

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Process Control and Instrumentation
Which of the following thermocouples is capable of measuring a temperature of -50°C?

Platinum - platinum + rhodium
Iron-constantan
Chromel - alumel
Copper - constantan

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Process Control and Instrumentation
Volumetric expansion is the working principle of the __________ thermometers.

Vapor pressure
Bimetallic
Constant volume gas
Mercury in glass

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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
Both A & B Here
Outlet flow rate

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