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Process Control and Instrumentation

Process Control and Instrumentation
Polarisation of light forms the working principle of a

Spectrometer
Polarimeter
Chromatograph
Polarograph

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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
Differential pressure gage
External float gage
None of these

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Process Control and Instrumentation
Which of the following measurements can be made by the measurement of emf?

Degree of hydrolysis
PH value
Composition of complex ions
All of these

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Process Control and Instrumentation
Very low pressure is expressed in microns(μ), which is equal to __________ mm of Hg coloumn (absolute) at 0°C.

0.1
0.001
0.0001
0.01

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

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

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Process Control and Instrumentation
Relationship between absorption/evolution of heat at the thermocouple junctions and the current flow in the circuit is given by __________ effect.

None of these
Peltier
Seebeck
Thomson

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