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Process Control and Instrumentation

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

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

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Process Control and Instrumentation
The term analogous to voltage in a single tank system is the

Liquid volume in the tank
Heat content of the system
Level of liquid
Flow rate

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Process Control and Instrumentation
Which of the following relates the absorption & evolution of heat at the junctions of a thermocouple to the current flow in the circuit?

Joule heating effect
Thomson effect
Peltier effect
Seebeck effect

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

Solids
None of these
Alloys
Isotopes

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Process Control and Instrumentation
Specific conductance is defined as the reciprocal of resistance in ohms of 1c.c. of liquid at a specified temperature. Its value for distilled water is about __________ micro mho/cm³.

10
50
100
1

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Process Control and Instrumentation
Pirani gauge is used for the measurement of

Very high pressure
High vacuum
Liquid level under pressure
Liquid level at atmospheric pressure

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