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Process Control and Instrumentation

Process Control and Instrumentation
Use of I-control along with P-control facilitates

Reduction of offset
Reduction of stability time
None of these
Elimination of offset

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Process Control and Instrumentation
Thermal conductivity measurement is used for the determination of

Specific gravity of petrofuels
O₂ percentage in the flue gas
Composition of an alloy
CO₂ percentage in the flue gas

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Process Control and Instrumentation
Which of the following flow-metering instru-ments is an areameter?

Pitot tube
Venturimeter
Hot wire anemometer
Rotameter

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Process Control and Instrumentation
Thermal conductivity cell is the primary element of a/an __________ analyser.

Oxygen
Carbon dioxide
Sulphur dioxide
Carbon monoxide

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Process Control and Instrumentation
E.m.f. generated by thermocouples is of the order of

Microvolts
Volts
Kilo volts
Millivolts

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

None of these
Bulb
Pointer
Bourdon tube

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