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Process Control and Instrumentation

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

Carbon monoxide in
Oxygen in
Temperature of
Carbon dioxide in

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

None of these
Manipulated
Load
Controlled

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Process Control and Instrumentation
Pick out the first order system from among the following.

Non-interacting system of two tanks in series
Mercury in glass thermometer kept in boiling water
Damped vibrator
Interacting system of two tanks in series

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Process Control and Instrumentation
Flapper nozzle is used in a/an __________ controller.

Pneumatic
Electronic
Hydraulic
None of these

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

Concentration
Pressure
Flow rate
Temperature

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Process Control and Instrumentation
__________ stability method uses open loop transfer function.

Nyquist
Ruth
Mikhalov
None of these

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