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Process Control and Instrumentation

Process Control and Instrumentation
The fluid used in hydraulic controller is

Air
Oil
Water
Steam

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Process Control and Instrumentation
Compositional analysis of __________ is done using mass spectrometer.

An alloy
Natural gas
An isotope
A solid

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Process Control and Instrumentation
The transfer function for a P-D controller is

Kc(1 +1/τD s)
Kc/τD s
Kc(1+τD s)
Kc τD s

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

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

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

Global radiation
Bright sunshine period
None of these
Beam radiation

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Process Control and Instrumentation
Working principle of radiation pyrometer is based on the

Kirchoffs law
Wien's law
Stafan-Boltzman law
Seebeck effect

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