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Process Control and Instrumentation

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

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

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Process Control and Instrumentation
The fluid used in hydraulic controller is

Oil
Air
Steam
Water

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Process Control and Instrumentation
Which of the following thermocouples will give the highest output for the same value of hot and cold junction temperature?

Iron-constantan
All of these
Platinum-platinum + rhodium
Chromel-constantan

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Process Control and Instrumentation
Thermocouple is suitable for measuring

Both high and low temperatures
Liquid temperatures only
Very low temperatures only
Very high temperatures only

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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

2.0
0.5
4.0
1.0

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Process Control and Instrumentation
Bourdon gauges are used for measuring pressure (kg/cm² )

> 2 (gauge)
< 2 (gauge)
< atmospheric
> 10 (absolute)

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