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Process Control and Instrumentation

Process Control and Instrumentation
In an exothermic chemical reactor, the manipulated variable is the flow rate of

Reactants
Product
Coolant
None of these

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

Temperature of
Carbon monoxide in
Oxygen in
Carbon dioxide in

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Process Control and Instrumentation
Which of the following is the dynamic characteristics of an instrument?

Fidelity
Sensitivity
Dead zone
Reproducibility

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Process Control and Instrumentation
__________ is the static characteristics of an instrument,

Dynamic error
Tine lag
Drift
Response

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Process Control and Instrumentation
__________ are analysed using a polarograph.

Liquids
Gases
Solids
Isotonic solutions

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Process Control and Instrumentation
Which of the following is not classified as a thermo electric pyrometer

Radiation pyrometer
Optical pyrometer (disappearing filament type)
Resistance thermometer
Thermocouple

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