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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.

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

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Process Control and Instrumentation
Mass spectrometer is used for the composition analysis of

Alloys
Isotopes
None of these
Solids

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Process Control and Instrumentation
Pyrometry refers to the measurement of temperature

Directly
With the mercurial thermometer upto 350°C
All of these
Which is of higher magnitude

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Process Control and Instrumentation
Which of the following is never used as an element of industrial resistance thermometer?

Copper
30% iron + 70% nickel
Lead
Nickel

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Process Control and Instrumentation
Humidity of air can be determined by a

Polarimeter
Chromatograph
Mass spectrometer
Sling psychrometer

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Process Control and Instrumentation
A first order system with a time constant of 1 min is subjected to frequency response analysis. At an input frequency of 1 radian/min, the phase shift is

-90°
-180°
45°
-45°

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