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Process Control and Instrumentation

Process Control and Instrumentation
Feed forward controller accounts for the __________ changes.

Neither A nor B
Load
Both A & B
Set point

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Process Control and Instrumentation
Non-metallic diaphragm used as pressure sensor in instruments is generally made of

Thick paper
Teflon
Bakelite
Synthetic rubber

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

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

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Process Control and Instrumentation
The closed loop pole of a stable second order system could be

Complex conjugate with positive real parts
Both real and positive
One real positive and the other real negative
Both real and negative

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Process Control and Instrumentation
Presence of a small amount of water in the organic systems can be determined by the __________ method.

Emission spectroscopy
Polarimetry
Electrical conductivity
Dielectric constant end loss factor

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Process Control and Instrumentation
Radiation thermometer can not measure the temperature

Of moving objects at high temperature
Inside a pressure vessel
Of liquid oxygen
Of an object without coming in contact with it

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