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Process Control and Instrumentation

Process Control and Instrumentation
The transfer function of a pure dead time system with dead time τd is

Eτds
Τds + 1
E-τds
1/(τds + 1)

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Process Control and Instrumentation
A constant volume gas thermometer employing __________ is used to measure sub-zero (i.e., < 0° C) temperature.

Hydrogen
Nitrogen
Helium
None of these

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Process Control and Instrumentation
A non-linear system will have __________ steady state values.

Two
More than one
One
Three

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Process Control and Instrumentation
Stroboscope is used for the measurement of

Liquid level under pressure
Rpm of a flywheel
Frequency of light
Depression of freezing point

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Process Control and Instrumentation
A system with transfer function (2S/4S) + 1 is of __________ order.

3rd
Zero
1st
2nd

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Process Control and Instrumentation
Liquid column manometers are used for measuring the pressure __________ kgf/cm² .

< atmospheric
> 2(gage)
< 3 (gage)
< 10 (gage)

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