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Process Control and Instrumentation

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
Which of the following relates the absorption & evolution of heat at the junctions of a thermocouple to the current flow in the circuit?

Seebeck effect
Thomson effect
Peltier effect
Joule heating effect

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Process Control and Instrumentation
Polarograph is meant for the analysis of

Miscible liquids
Solids
Gaseous mixture
Isotopes

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Process Control and Instrumentation
In a single tank system, the transfer function of level to inlet flow rate is

1/TS
L(TS + l)
R/TS
R/(TS + 1)

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Process Control and Instrumentation
Zirconia probe is used for the continuous measurment of __________ flue gases going out of the furnace.

Oxygen in
Carbon dioxide in
Temperature of
Carbon monoxide in

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Process Control and Instrumentation
The thermal emf-temperature relationship of most thermocouples is

Exponential
Linear
Square root
Parabolic

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