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No, a pneumatic device is operated by the force of compressed air.
The refrigerant is in a liquid state as it enters the expansion device.
thermometer
beaker
A filter is a device to strain out substances you don't want from the stuff you do. A coffee filter strains out the grounds and lets the coffee pass through. An air filter strains out impurities in the air and lets the purer air through. A spam filter strains out the e-mails you don't want and lets the ones you do want through.
A device for controlling the flow of liquid can sometimes be a pipe.
The answer depends on the quantity of liquid. A graduated cylinder will not be much use in measuring the volume of liquid in an ocean!
An aquastat is a device which automatically responds to changes in temperature of a liquid.
pipette
A teaspoon
A teaspoon