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Process Control and Instrumentation

Process Control and Instrumentation
Dilute wine was used as a thermometric liquid initially to develop temperature scale. First emperical temperature scale developed was the __________ scale.

Reaumer
Centigrade
Fahrenheit
Kelvin

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Process Control and Instrumentation
A constant volume gas thermometer employing __________ is used to measure sub-zero (i.e., < 0° C) temperature.

Nitrogen
Hydrogen
Helium
None of these

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Process Control and Instrumentation
Stalagmometer is used for the measurement of

Refractive index
Kinematic viscosity
Surface tension
Optical activity

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Process Control and Instrumentation
Mass spectrometer is used for the composition analysis of

Solids
Alloys
Isotopes
None of these

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Process Control and Instrumentation
Platinum resistance thermometer can be used upto antimony point which is __________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure.

1064.43
630.74
1261.93
961.93

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Process Control and Instrumentation
Pirani gauge is used for the measurement of

High vacuum
Very high pressure
Liquid level under pressure
Liquid level at atmospheric pressure

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