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Process Control and Instrumentation

Process Control and Instrumentation
Flow rate of a river is measured by a/an

Vane meter
Kennison nozzle
Open weir
Pitot tube

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Process Control and Instrumentation
Continuous flue gas analyser makes use of paramagnetic properties of some of its constituents, which move towards the strongest part of the magnetic field thus displacing diamagnetic gases. Which of the following gases is diamagnetic?

NO₂
NO
O₂
CO₂

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Process Control and Instrumentation
A bolometer is

Neither A nor B Here
Used for the measurement of thermal radiation
Both A & B Here
An element which senses optical input and delivers thermal output

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Process Control and Instrumentation
Pressure of 0.01 psi (absolute) can be measured by __________ gauge.

Mcloid
None of these
Pirani
Ionisation

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Process Control and Instrumentation
All the thermocouples used for temperature measurement use dissimilar metal

Bars
Wires
Strips
Beads

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

Millivolts
Microvolts
Volts
Kilo volts

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