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Process Control and Instrumentation

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

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

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Process Control and Instrumentation
What is the ratio of output amplitude to input amplitude for a sinusoidal forcing function in a first order system?

>1
1
None of these
< 1

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

Cross-over
Resonant
Natural
Corner

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Process Control and Instrumentation
Flow rate measurement of hostile acids and alkalis can be most suitably done by a/an

Venturimeter
Orificemeter
Hot wire anemometer
Magnetic flow meter

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Process Control and Instrumentation
Range of hydrogen gas constant volume themometer is __________ °C.

-10 to 20
400 - 1000
100 - 500
0 to 100

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Process Control and Instrumentation
Flow rate through an orifice is __________ the pressure differential.

Proportional to the square root of
Inversely proportional to the square root of
Inversely proportional to the square of
Proportional to

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