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Process Control and Instrumentation

Process Control and Instrumentation
Mass spectrometer is used for the composition analysis of

Alloys
Solids
Isotopes
None of these

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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.

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

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Process Control and Instrumentation
Which of the following flow-metering instru-ments is an areameter?

Hot wire anemometer
Rotameter
Venturimeter
Pitot tube

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Process Control and Instrumentation
Process degree of freedom indicates __________ number of controllers to be used.

Nothing about the
Both maximum and the minimum
The maximum
The minimum

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

Non-isothermal CSTR
None of these
Isothermal CSTR
Mixer

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Process Control and Instrumentation
Platinum resistance thermometer is the international standard for temperature measurement between

Both A and B
Neither A nor B
Triple point of hydrogen and freezing point of antimony
13.81°K to 903.9°K

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