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Process Control and Instrumentation

Process Control and Instrumentation
Working principle of disappearing filament type optical pyrometer is based on the

Kirchoff's law
Peltier effect
Wien's law
Seebeck effect

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Process Control and Instrumentation
The __________ of a vapor pressure thermometer is a functioning element.

None of these
Bulb
Bourdon tube
Pointer

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Process Control and Instrumentation
__________ temperature scale assigns 0° to the 'ice point' and 80° to the 'steam point'

Reumur
Rankine
Celcius
Farenhite

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Process Control and Instrumentation
Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is

Platinum-platinum+rhodium
Chromel-alumel
Either A, B or C
Iron-constantan

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Process Control and Instrumentation
Pyrometry refers to the measurement of temperature

Which is of higher magnitude
With the mercurial thermometer upto 350°C
All of these
Directly

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

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

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