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Process Control and Instrumentation

Process Control and Instrumentation
Thermistors are used in __________ devices.

Voltage measuring
Temperature measuring
Temperature compensating
Both B & C

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Process Control and Instrumentation
The fluid used in hydraulic controller is

Water
Air
Oil
Steam

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

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

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Process Control and Instrumentation
A bimetallic thermometer as compared to industrial mercury in glass thermometer has almost the same

All of these
Speed of response
Temperature measuring range (- 40°C to 450°C)
Accuracy (± 1% of span)

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Process Control and Instrumentation
__________ are analysed using a polarograph.

Liquids
Isotonic solutions
Solids
Gases

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Process Control and Instrumentation
Minute depression of freezing point of a liquid solvent on addition of a solid solute can be best measured by a

Mercury thermometer
Beckman thermometer
Dilatometer
Bimetallic thermometer

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