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Process Control and Instrumentation

Process Control and Instrumentation
Alphatron measures pressure __________ microns.

< 3
< 1
< 0.1
> 3

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Process Control and Instrumentation
An amplitude ratio of 0.1 corresponds to __________ decibels.

10
20
-10
-20

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Process Control and Instrumentation
Mercury manometer (U-tube type) exemplifies a __________ order system.

Second
First
Third
Zero

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Process Control and Instrumentation
A typical example of a physical system with under damped characteristic is a

CSTR with first order reaction
Spring loaded diaphragm valve
Thermocouple kept immersed in a liquid filled thermowell
U-tube manometer

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Process Control and Instrumentation
Feed forward controller accounts for the __________ changes.

Load
Both A & B
Neither A nor B
Set point

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

Closed
Open
Neither A nor B Here
Either A Or B Here

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