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Process Control and Instrumentation

Process Control and Instrumentation
Mass spectrometer is used for the composition analysis of

Alloys
Solids
None of these
Isotopes

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Process Control and Instrumentation
Liquid column manometers are used for measuring the pressure __________ kgf/cm² .

< 3 (gage)
< atmospheric
> 2(gage)
< 10 (gage)

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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

Over damped
None of these
Critically damped
Under damped

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Process Control and Instrumentation
Humidity of air can be determined by a

Chromatograph
Polarimeter
Mass spectrometer
Sling psychrometer

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Process Control and Instrumentation
Bourdon tube is never made of

Phosphor bronze
Cast iron
Stainless steel
Monel metal

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Process Control and Instrumentation
Continuous measurement of moisture in paper is done by

High resistance Wheatstone's bridge circuit
Sling psychrometer
Hair-hygrometer
Weighing

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