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Process Control and Instrumentation

Process Control and Instrumentation
Characteristic equation is the denominator of __________ loop transfer function.

Closed
Open
Both A & B Here
Neither A Nor B Here

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Process Control and Instrumentation
Response of a system to a sinusoidal input is called __________ response.

Impluse
Unit step
Frequency
None of these

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Process Control and Instrumentation
Composition of natural gas is determined by the

Mass spectrometer
Chromatograph
Both B and C
Haldane apparatus

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Process Control and Instrumentation
Which of the following thermocouples has the widest temperature measurement range?

Copper-constantan
Iron-constantan
Platinum-platinum/rhodium
Chromel-alumel

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Process Control and Instrumentation
A manometer measures the __________ pressure.

None of these
Atmospheric
Gauge
Absolute

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

None of these
Reactants
Coolant
Product

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