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Process Control and Instrumentation

Process Control and Instrumentation
The amplitude ratio for the sinusoidal response of __________ is < 1.

Transportation lag
None of these
Second order system
First order system

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Process Control and Instrumentation
In a shell and tube heat exchanger, the outlet temperature of heating/cooling fluid is the __________ variable.

Controlled
Load
Manipulated
None of these

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Process Control and Instrumentation
The __________ of a vapor pressure thermometer is a secondary element.

Bulb
Bourdon tube
None ofthese
Pointer

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Process Control and Instrumentation
Emf generated in a thermocouple depends on the temperature

Of cold junction only
Of hot junction only
Difference between cold junction and atmospheric temperature
Difference between hot and cold junctions

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Process Control and Instrumentation
Turbine flow meters are suitable for

Both B and C
Very limited flow ranges
Cryogenic flow measurements
Aerospace and in air borne applications

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Process Control and Instrumentation
Working principle of disappearing filament type optical pyrometer is based on the

Wien's law
Kirchoff's law
Peltier effect
Seebeck effect

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