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Process Control and Instrumentation

Process Control and Instrumentation
__________ thermometer can not measure sub-zero (< 0° C) temperature,

Bimetallic
Mercury in glass
Resistance
Vapor pressure

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Process Control and Instrumentation
A non-linear chemical system is exemplified by a/an

Mixer
Non-isothermal CSTR
Isothermal CSTR
None of these

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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°
-45°
-90°

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

Sling psychrometer
Chromatograph
Mass spectrometer
Polarimeter

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Process Control and Instrumentation
Pressure of 0.0001 absolute psi can be measured by __________ gauge

Mcloid
Pirani
Thermocouple
None of these

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Process Control and Instrumentation
The __________ of the fluid contained in the temperature sensing element (i.e., bulb) of filled system thermometers changes with change in temperature.

All of these
Pressure
Volume
Viscosity

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