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Process Control and Instrumentation

Process Control and Instrumentation
Composition of alloys can be determined by

None of these
Refractrometer
Polarograph
Chromatograph

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

Either A or B
Neither A nor B
Closed
Open

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Process Control and Instrumentation
Thermal conductivity measurement is used for the determination of

Specific gravity of petrofuels
Composition of an alloy
CO₂ percentage in the flue gas
O₂ percentage in the flue gas

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Process Control and Instrumentation
The transfer function of a process is 1/(16s² + 8s + 4). If a step change is introduced into the system, then the response will be

Under damped
None of these
Critically damped
Over damped

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Process Control and Instrumentation
Optical activity of a solution can be determined using a

Refractrometer
Polarograph
Dilatometer
Polarimeter

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Process Control and Instrumentation
For two non-interacting first order systems connected in series, the overall transfer function is the __________ of the individual transfer functions.

Sum
Product
Ratio
Difference

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