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Process Control and Instrumentation

Process Control and Instrumentation
Polarograph is meant for the analysis of

Gaseous mixture
Isotopes
Solids
Miscible liquids

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Process Control and Instrumentation
Which of the following is not a differential pressure flow meter?

Orificemeter
Flow nozzle
Venturimeter
Rotameter

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Process Control and Instrumentation
A system with a double pole at the origin is unstable since the corresponding term in the time domain

Is a constant
Decays linearly with time
Grows linearly with time
Grows exponentially with time

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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
Controlled
Load

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

Sensitivity
Reproducibility
Fidelity
Dead zone

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Process Control and Instrumentation
A non-linear chemical system is exemplified by a/an

Mixer
Isothermal CSTR
Non-isothermal CSTR
None of these

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