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Process Control and Instrumentation

Process Control and Instrumentation
The frequency at which maximum amplitude ratio is attained is called the __________ frequency.

Resonant
Natural
Cross-over
Corner

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Process Control and Instrumentation
Positioning controllers are used for

Low loads
High loads
Temperature changes
Flow rate changes

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Process Control and Instrumentation
Pick out the first order system from among the following.

Mercury in glass thermometer kept in boiling water
Damped vibrator
Non-interacting system of two tanks in series
Interacting system of two tanks in series

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Process Control and Instrumentation
Change of angle of refraction with composition comprises the working principle of a

Refractrometer
Polarimeter
Spectrometer
Polarograph

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Process Control and Instrumentation
Nitrogen gas constant volume thermometer is suitable for measuring a temperature of __________ °C.

> 50
> 100
< 0
0-100

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Process Control and Instrumentation
Gas chromatography is used for the measurement of

Pressure
Temperature
Flow rate
Concentration

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MORE MCQ ON Process Control and Instrumentation

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