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Process Control and Instrumentation

Process Control and Instrumentation
__________ are analysed using a polarograph.

Isotonic solutions
Gases
Liquids
Solids

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

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

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Process Control and Instrumentation
Configuration of Bourdon spring tube is never made of __________ shape.

Semi-circular
Spiral
Helical
Circular

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Process Control and Instrumentation
The unit of 'time constant' of a system is the same as that of

Time
Velocity
(time)⁻¹
None of these

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Process Control and Instrumentation
High temperature of around 2000°C of incandescent gas mantles is measured by a/an

Specially designed thermocouple
Radiation pyrometer
None of these Here
Optical pyrometer

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Process Control and Instrumentation
The transfer function of a process is 1/(16s² + 8s + 4). If a step change is introduced into the system, then the response will be

Critically damped
Over damped
None of these
Under damped

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