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

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

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Process Control and Instrumentation
Vapour actuated pressure spring thermometer does not require ambient temperature compensation. Ambient temperature compensation is provided in gas or liquid expansion pressure spring thermometer by

All of these
Making the volume of thermometer bulb as large as conveniently possible
Reducing the volume of the capillary to a minimum
Reducing the volume of the receiving element to a minimum

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