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Process Control and Instrumentation

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

Wires
Strips
Beads
Bars

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Process Control and Instrumentation
Psychrometer determines the

Humidity of gases
Moisture content of solids
Water of crystallisation
Hygroscopic nature of solids

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Process Control and Instrumentation
Which of the following judges the accuracy of an instrument?

Static error
Drift
Dead zone
None of these

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Process Control and Instrumentation
The thermal emf-temperature relationship of most thermocouples is

Linear
Parabolic
Exponential
Square root

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Process Control and Instrumentation
Liquid argon level in a pressurised storage tank (at 3 kg/cm² ) is measured by a/an

Gage glass
External float gage
Differential pressure gage
None of these

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

Log-lag
Semi-log
Triangular
Ordinary

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