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Process Control and Instrumentation

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

None of these
Critically damped
Over damped
Under damped

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Process Control and Instrumentation
Which of the following fluid flow measuring devices can measure the largest flow rate?

Weir
Orificemeter
Rotameter
V-notch

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Process Control and Instrumentation
Working principle of disappearing filament type optical pyrometer is based on the

Wien's law
Seebeck effect
Kirchoff's law
Peltier effect

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Process Control and Instrumentation
Dilute wine was used as a thermometric liquid initially to develop temperature scale. First emperical temperature scale developed was the __________ scale.

Reaumer
Centigrade
Kelvin
Fahrenheit

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Process Control and Instrumentation
Flow rate through an orifice is __________ the pressure differential.

Inversely proportional to the square of
Proportional to
Proportional to the square root of
Inversely proportional to the square root of

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Process Control and Instrumentation
Nickel percentage in invar which is an iron-nickel alloy, and is used as a thermocouple material is

68
54
36
12

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