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Process Control and Instrumentation

Process Control and Instrumentation
Measurement of pressure in ammonia reactor is done by

Pirani guage
Inclined tube manometer
U-tube manometer
Bourdon gauge

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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

-180°
45°
-90°
-45°

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Process Control and Instrumentation
Thermocouple in a thermal well behaves as a true

Second order system (underdamped)
Multiple first order system
Second order system (overdamped)
First order system

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

Sling psychrometer
Polarimeter
Mass spectrometer
Chromatograph

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Process Control and Instrumentation
Polarograph is meant for the analysis of

Solids
Miscible liquids
Gaseous mixture
Isotopes

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Process Control and Instrumentation
Change of angle of refraction with composition comprises the working principle of a

Polarograph
Refractrometer
Spectrometer
Polarimeter

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MORE MCQ ON Process Control and Instrumentation

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