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Process Control and Instrumentation

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

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

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Process Control and Instrumentation
Which of the following is never used as an element of industrial resistance thermometer?

Nickel
Copper
Lead
30% iron + 70% nickel

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Process Control and Instrumentation
Zirconia probe is used for the measurement of

% CO₂ in flue gas
% O₂ in flue gas
Humidity of air
Speed of a submarine

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Process Control and Instrumentation
Helium gas constant volume thermometer is suitable for the measurement of a temperature of __________ °C.

< 100
< 0
> 800
> 0

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

Pirani
Mcloid
Ionisation
None of these

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Process Control and Instrumentation
Flow rate of those fluids which are insensitive to changes in their density, viscosity or flow velocity profile can be best measured by a

Flow nozzle type flowmeter
Magnetic flowmeter
Turbine flowmeter
Pitot tube

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