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Process Control and Instrumentation

Process Control and Instrumentation
All the thermocouples used for temperature measurement use dissimilar metal

Strips
Bars
Beads
Wires

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Process Control and Instrumentation
Out of the following temperature measuring instruments, the measurement accuracy will be minimum for the

Iron-constantan thermocouple
Mercury in glass thermometer
Optical pyrometer
Alcohol filled thermometer

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Process Control and Instrumentation
Volumetric expansion is the working principle of the __________ thermometers.

Bimetallic
Vapor pressure
Constant volume gas
Mercury in glass

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Process Control and Instrumentation
Instrumentation in a plant offers the advantage of

Greater safety of operation
All of these
Greater operation economy
Better quality of product

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Process Control and Instrumentation
Specific gravity of a liquid can not be measured by a/an

Pycnometer
Hydrometer
Anemometer
Specific gravity bottle

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Process Control and Instrumentation
In Bode plot, A.R. vs. w is plotted on a/an __________ graph paper.

Semi-log
Log-lag
Ordinary
Triangular

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