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Process Control and Instrumentation

Process Control and Instrumentation
Pick out the most suitable instrument for measuring temperature in the range of-40 to 425°C.

Radiation pyrometer
None of these
Bimetallic thermometer
Mercury thermometer

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Process Control and Instrumentation
The transfer function of a pure dead time system with dead time τd is

E-τds
1/(τds + 1)
Eτds
Τds + 1

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

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

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Process Control and Instrumentation
Pyrometry refers to the measurement of temperature

All of these
Directly
With the mercurial thermometer upto 350°C
Which is of higher magnitude

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Process Control and Instrumentation
Gas chromatography is used for the measurement of

Pressure
Flow rate
Temperature
Concentration

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Process Control and Instrumentation
The term analogous to the electrical current in a thermal system is the

Heat flow rate
Temperature difference
Heat content in the system
None of these

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