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Process Control and Instrumentation

Process Control and Instrumentation
Continuous measurement of moisture in paper is done by

High resistance Wheatstone's bridge circuit
Weighing
Sling psychrometer
Hair-hygrometer

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Process Control and Instrumentation
The amplitude ratio for the sinusoidal response of a __________ is 1.

First order system
None of these
Second order system
Transportation lag

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

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

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Process Control and Instrumentation
Temperature measurement by optical pyrometer is done above __________ point, which is 1063°C.

Antimony
Nickel
Silver
Gold

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Process Control and Instrumentation
Continuous measurement of specific gravity of a liquid is done by

Contact-type electric indicators
Hydrometer
Both A and C
Displacement meter

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

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

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