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Process Control and Instrumentation

Process Control and Instrumentation
Which of the following relates the emf. generated in a single homogeneous wire to the temperature difference?

Peltier effect
None of these
Seebeck effect
Thomson effect

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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

Bimetallic thermometer
Beckman thermometer
Dilatometer
Mercury thermometer

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Process Control and Instrumentation
Starting temperature of optical radiation pyrometer is __________ °C.

1200
400
1500
800

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Process Control and Instrumentation
Which of the following is not the triple point of water?

492°R
32°R
32°F
273°K

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Process Control and Instrumentation
An amplitude ratio of 0.1 corresponds to __________ decibels.

-10
20
10
-20

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Process Control and Instrumentation
Humidity of air can be determined by a

Mass spectrometer
Chromatograph
Sling psychrometer
Polarimeter

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