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Process Control and Instrumentation

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

External float gage
Gage glass
None of these
Differential pressure gage

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

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

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Process Control and Instrumentation
Which of the following is not suitable for measuring the temperature of a red hot object in the range of 800 - 1600°C?

Optical pyrometer
Radiation pyrometer
Thermocouples
Photoelectric pyrometer

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

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

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Process Control and Instrumentation
Working principle of disappearing filament type optical pyrometer is based on the

Wien's law
Seebeck effect
Peltier effect
Kirchoff's law

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Process Control and Instrumentation
A pyranometer is an instrument used for measuring the

None of these
Bright sunshine period
Global radiation
Beam radiation

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