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Questions and Answers
Which type of flowmeter relies on forces produced by the flowing stream as it overcomes a known constriction to indirectly calculate flow?
Which type of flowmeter relies on forces produced by the flowing stream as it overcomes a known constriction to indirectly calculate flow?
- Mass flow meter (Coriolis force)
- Fluid dynamic (vortex shedding) (correct)
- Inferential (turbine type)
- Ultrasonic flow meter
How are gas and liquid flow measured in physical quantities?
How are gas and liquid flow measured in physical quantities?
- Cubic meters per minute and kilograms per minute
- Cubic meters per second and kilograms per second (correct)
- Cubic meters per hour and pounds per hour
- Liters per second and pounds per second
Which flow measurement method relies on measuring the velocity of fluid over a known area?
Which flow measurement method relies on measuring the velocity of fluid over a known area?
- Obstruction type (differential pressure or variable area)
- Anemometer (correct)
- Positive-displacement flowmeters
- Electromagnetic
Which type of flowmeter accumulates a fixed volume of fluid and then counts the number of times the volume is filled to measure flow?
Which type of flowmeter accumulates a fixed volume of fluid and then counts the number of times the volume is filled to measure flow?
For very large flows, what methods may be used to deduce the flow rate from the change in concentration of a dye or radioisotope?
For very large flows, what methods may be used to deduce the flow rate from the change in concentration of a dye or radioisotope?
Why is a perpetual motion machine considered impossible?
Why is a perpetual motion machine considered impossible?
What ultimately drives devices powered by ocean currents?
What ultimately drives devices powered by ocean currents?
In what state of matter were time crystals discovered?
In what state of matter were time crystals discovered?
Why will celestial bodies like planets not keep moving forever?
Why will celestial bodies like planets not keep moving forever?
What is the motion of bodies that continues forever in an unperturbed system called?
What is the motion of bodies that continues forever in an unperturbed system called?
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