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000040-01

PART C

Answer any two full questions, each carries 20 marks.
State the principle of operation of hot-wire anemometers and write the working of
constant current type hot-wire anemometers.
Give the principle of working of mass flow meter and explain the working of a
turbine mass flow meter.
What is the difference between a Float & a Displacer? How a mechanical pressure
sensor can be used in level measurement?
State the principle of capacitance based level sensors and write notes on any two
types of capacitance based level sensors.
Explain the level measurement using electric resistance type instruments.

Explain the working of transit time and Doppler ultrasonic flow meters.

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