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Process Control and Instrumentation

Process Control and Instrumentation
A non-linear chemical system is exemplified by a/an

None of these
Mixer
Non-isothermal CSTR
Isothermal CSTR

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Process Control and Instrumentation
__________ controller has the maximum stabilising time.

PID
PD
P
PI

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

Mercury in glass
Vapor pressure
Constant volume gas
Bimetallic

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Process Control and Instrumentation
A simple pitot tube measures the

Static pressure
Maximum velocity
Point velocity
Average velocity

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Process Control and Instrumentation
The temperature of tempering oil baths maintained at 400°C during heat treatment of steel is measured by a/an __________ thermocouple.

Chromel-alumel
Iron-constantan
None of these
Platinum-platinum/rhodium

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Process Control and Instrumentation
Working principle of mercury in glass thermometer is based on the __________ of mercury with increase in temperature.

Increase of pressure
Increase of thermal conductivity
Differential linear expansion
Volumetric expansion

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