Which device uses the following principle? As the driving pressure is increased, the flow from the flowmeter outlet increases
a. Compensated Thorpe tube flowmeter
b. Fixed-orifice flowmeter
c. Bourdon flowmeter
d. Non-compensated pressure flowmeter
ANS: C
A Bourdon flowmeter is actually a reducing valve that controls the pressure gradient across an outlet with a fixed orifice.
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