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Process Control and Instrumentation

Process Control and Instrumentation
Which is the most suitable instrument for measuring pressure below 3 microns?

Bourdon guage
Mcleoid gauge
Ionisation gauge
Alphatron

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

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

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Process Control and Instrumentation
__________ is an example of distributed parameter system

Tubular reactor
CSTR
On-off controller
None of these

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Process Control and Instrumentation
Emf developed by a thermocouple while measuring a temperature of 800°C is about 31 mV. The type of thermocouple used is

Chromel-alumel
Platinum-platinum+rhodium
None of these
Iron-constantan

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Process Control and Instrumentation
Mercury manometer (U-tube type) exemplifies a __________ order system.

Second
Third
Zero
First

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

Pointer
None of these
Bourdon tube
Bulb

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