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Anemometer: Quiz

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Question 1: The first known description of an anemometer was given by ________ in around 1450[1].
Leon Battista AlbertiItalian RenaissanceItalyFlorence

Question 2: What does the following picture show?

  Drawing of a laser anemometer. The laser is emitted (1) through the front lens (6) of the anemometer and is backscattered off the air molecules (7). The backscattered radiation (dots) re-enter the device and are reflected and directed into a detector (12).
  3D ultrasonic anemometer
  Hot-wire sensor
  A windmill style of anemometer

Question 3: What does the following picture show?

  Cup-type anemometer with vertical axis, a sensor on a remote meteorological station deployed on Skagit Bay, Washington July–August, 2009.
  A hemispherical cup anemometer of the type invented in 1846 by John Thomas Romney Robinson
  Helicoid propeller anemometer incorporating a wind vane for orientation.

Question 4: What does the following picture show?

  A hemispherical cup anemometer of the type invented in 1846 by John Thomas Romney Robinson
  Helicoid propeller anemometer incorporating a wind vane for orientation.
  A hemispherical cup anemometer of the type invented in 1846 by John Thomas Romney Robinson
  Cup-type anemometer with vertical axis, a sensor on a remote meteorological station deployed on Skagit Bay, Washington July–August, 2009.

Question 5: What does the following picture show?

  Hot-wire sensor
  Helicoid propeller anemometer incorporating a wind vane for orientation.
  A hemispherical cup anemometer of the type invented in 1846 by John Thomas Romney Robinson

Question 6: What does the following picture show?

  Hot-wire sensor
  Helicoid propeller anemometer incorporating a wind vane for orientation.

Question 7: Sonic anemometers can take measurements with very fine temporal resolution, 20 Hz or better, which make them well suited for ________ measurements.
Fluid dynamicsTurbulenceDrag (physics)Reynolds number

Question 8: As the electrical resistance of most metals is dependent upon the temperature of the metal (________ is a popular choice for hot-wires), a relationship can be obtained between the resistance of the wire and the flow velocity.
TungstenTantalumMolybdenumChromium

Question 9: Laser Doppler anemometers use a beam of light from a ________ that is split into two beams, with one propagated out of the anemometer.
HeliumLaserLaser applicationsX-ray

Question 10: The other forms of mechanical velocity anemometer may be described as belonging to the ________ type or propeller anemometer.
Wind farmWind powerWindmillWind turbine







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