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Process Control and Instrumentation

Process Control and Instrumentation
The response of two tanks of same size and resistance in series is

Over damped
Under damped
Critically damped
None of these

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Process Control and Instrumentation
Flow rate through an orifice is __________ the pressure differential.

Inversely proportional to the square of
Proportional to
Proportional to the square root of
Inversely proportional to the square root of

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Process Control and Instrumentation
Polarograph is meant for the analysis of

Miscible liquids
Isotopes
Solids
Gaseous mixture

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

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

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Process Control and Instrumentation
Thermal conductivity based continuous flue gas analyser makes use of varying thermal conductivity of the constituents of flue gases. Which of the following constituents of flue gases has the maximum thermal conductivity?

CO₂
N₂
CO
O₂

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

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

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