1w051: Air Force Weather Technician Trivia Quiz
- 1.How many degrees centigrade does the temperature decrease per 1,000 meters of altitude in the troposphere?
- A.
3.5
- B.
4.5
- C.
5.5
- D.
6.5
- 2.The stratosphere is characterized by
- A.
Noctilucent clouds, a “D” layer, and excellent flying conditions.
- B.
A constantly warming temperature, mother-of-pearl clouds, and generally poor flying weather.
- C.
A maximum temperature of 7°C, the strongest concentration of ozone, dense cirrus clouds, and occasionally poor flying conditions.
- D.
A temperature that remains isothermal to about 100,000 feet, the strongest concentration of ozone, and excellent flying conditions.
- 3.Above 13 miles, the radiation from the sun breaks down the oxygen in the atmosphere into
- A.
Ozone gas.
- B.
Argon gas.
- C.
Carbon dioxide.
- D.
Gaseous nitrogen.
- 4.Which statement best describes water vapor in the atmosphere?
- A.
It absorbs ultraviolet radiation.
- B.
The most the air can hold is 6 percent.
- C.
The more water vapor, the lighter the air will be.
- D.
It keeps the earth from becoming too hot by absorbing solar radiation.
- 5.The two atmospheric gases most responsible for the absorption of incoming solar radiation are
- A.
Oxygen and ozone.
- B.
Ozone and water vapor.
- C.
Oxygen and water vapor.
- D.
Ozone and carbon dioxide.
- 6.The driving mechanism that is mainly responsible for the earth’s large-scale atmospheric circulations is the
- A.
Unequal heating of the earth.
- B.
Rotation of the earth.
- C.
Hadley cell.
- D.
Polar cell.
- 7.Which force is described as any center-seeking force?
- A.
Inertia.
- B.
Coriolis.
- C.
Centrifugal.
- D.
Centripetal.
- 8.Which force is the “equal and opposite reaction” to the center-seeking force?
- A.
Inertia.
- B.
Coriolis.
- C.
Centrifugal.
- D.
Centripetal.
- 9.Centrifugal force (CeF) will increase when there is a decrease in
- A.
Mass.
- B.
Centripetal force.
- C.
The speed of rotation.
- D.
The radius of rotation.
- 10.Coriolis force (CoF) is created by
- A.
The cyclonic rotation of the earth.
- B.
The anticyclonic rotation of the earth.
- C.
An opposing force to pressure gradient.
- D.
An apparent force, and therefore, it does not exist.
- 11.If you throw a ball towards a stationary target from the window of a speeding vehicle, coriolis force (CoF) will cause the ball to miss the target
- A.
To the right.
- B.
To the left.
- C.
Downward.
- D.
Upward.
- 12.The force that is responsible for starting the horizontal movement of air over earth’s surface is
- A.
Gravity.
- B.
Coriolis.
- C.
Centrifugal.
- D.
Pressure gradient.
- 13.The balance of forces needed for gradient cyclonic circulation is pressure gradient
- A.
Balanced against friction and coriolis forces (CoF).
- B.
And friction balanced against centrifugal force (CeF).
- C.
Balanced against coriolis and centrifugal forces.
- D.
And centrifugal balanced against CoF.
- 14.The areas of low pressure that correspond to the belt of low pressure at 60°N created by the 3-cell circulation are the
- A.
Icelandic and Asiatic lows.
- B.
Icelandic and Aleutian lows.
- C.
Aleutian and Asiatic lows.
- D.
The Aleutian lows.
- 15.In relation to the jet core, the greatest vertical wind shear is usually located
- A.
Above the strongest horizontal shear.
- B.
Below the strongest horizontal shear.
- C.
Above the jet core.
- D.
Below the jet core.
- 16.In relation to the jet core, the greatest horizontal wind shear is usually located
- A.
Above the jet core.
- B.
North of the jet core.
- C.
South of the jet core.
- D.
At the jet core’s narrowest horizontal point.
- 17.The simplest method for locating the 500 millibar frontal zone is to
- A.
Locate the 500 millibar maximum wind band.
- B.
Locate the position of the –11° Centigrade isotherm.
- C.
Locate the position of the –17° Centigrade isotherm.
- D.
Find where the thermal concentration is more than 5° Centigrade in 200 miles.
- 18.The width of the jet stream core is approximately equal to the
- A.
Width of the 500 millibar isotherm ribbon.
- B.
Width of the 500 millibar maximum wind band.
- C.
Distance between the –17° Centigrade and the –20° Centigrade isotherms at 500 millibar.
- D.
Distance between the –20° Centigrade and the –26° Centigrade isotherms at 500 millibar.
- 19.Where are the greatest velocities located in relation to the subtropical jet (SJT)?
- A.
In the region of difluence of the STJ and polar front jet (PFJ).
- B.
In the region of confluence of the STJ and PFJ.
- C.
The STJ’s eastern most extension.
- D.
The STJ’S western most extension.
- 20.“Jet fingers”
- A.
Often develop more than 400 miles apart.
- B.
Suggest that the jet stream is beginning to dissipate.
- C.
Are somewhat rare and usually occur either singly or in pairs.
- D.
Are formed during periods when the jet stream is well organized and the core exceeds 100kts.
- 21.Converging contours downstream of the jet stream will cause the jet to
- A.
Decrease in amplitude.
- B.
Increase in amplitude.
- C.
Deflect toward lower heights.
- D.
Deflect toward greater heights.
- 22.Using average surface frontal slopes, how far ahead of the surface warm front is the jet stream located?
- A.
300 miles.
- B.
400 miles.
- C.
500 miles.
- D.
600 miles.
- 23.Which heat transfer process involves the transfer of energy by molecular motion from hot to cold objects?
- A.
Radiation.
- B.
Advection.
- C.
Convection.
- D.
Conduction.
- 24.Advection transfers temperature
- A.
By electromagnetic waves.
- B.
Horizontally by the wind.
- C.
Vertically by the wind.
- D.
By molecular motion.
- 25.What factors must a region possess in order to facilitate air mass formation?
- A.
Uniform surface, stagnant air, and large-scale difluent flow.
- B.
Must be over water, stagnant air, and large-scale difluent flow.
- C.
Any nonuniform surface, stagnant air, and large-scale difluent flow.
- D.
Must be over smooth land, stagnant air, and large-scale difluent flow.
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