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Process Control and Instrumentation

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

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

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Process Control and Instrumentation
When the damping co-efficient (ξ) is unity, the system is

Underdamped
Critically damped
Overdamped
Highly fluctuating

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Process Control and Instrumentation
The second order system with the transfer function 4/(S² + 2S + 4) has a damping ratio of

1.0
4.0
0.5
2.0

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Process Control and Instrumentation
In a single tank system, the transfer function of __________ to inlet flow rate is 1/TS+1.

Neither A nor B Here
Both A & B Here
Level
Outlet flow rate

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Process Control and Instrumentation
In Bode plot, A.R. vs. w is plotted on a/an __________ graph paper.

Triangular
Log-lag
Semi-log
Ordinary

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Process Control and Instrumentation
The __________ of a vapor pressure thermometer is a functioning element.

Pointer
Bourdon tube
Bulb
None of these

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