Challange Questions PPL Sec 2.

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Challange Questions PPL Sec 2.

Post  Admin on Wed Dec 02, 2009 7:55 am

Every physical process of weather is accompanied by, or is the result of, a
A) pressure differential.
B) heat exchange.
C) movement of air.

Question: 3382 Subject Code: I21
What causes variations in altimeter settings between weather reporting points?
A) Unequal heating of the Earth's surface.
B) Coriolis force.
C) Variation of terrain elevation.

Question: 3383 Subject Code: I21
A temperature inversion would most likely result in which weather condition?
A) Good visibility in the lower levels of the atmosphere and poor visibility above an inversion aloft.
B) An increase in temperature as altitude is increased.
C) Clouds with extensive vertical development above an inversion aloft.

Question: 3384 Subject Code: I21
The most frequent type of ground or surface-based temperature inversion is that which is produced by
A) warm air being lifted rapidly aloft in the vicinity of mountainous terrain.
B) terrestrial radiation on a clear, relatively still night.
C) the movement of colder air under warm air, or the movement of warm air over cold air.

Question: 3385 Subject Code: I21
Which weather conditions should be expected beneath a low-level temperature inversion layer when the relative humidity is high?
A) Turbulent air, poor visibility, fog, low stratus type clouds, and showery precipitation.
B) Light wind shear, poor visibility, haze, and light rain.
C) Smooth air, poor visibility, fog, haze, or low clouds.

Question: 3386 Subject Code: I21
What are the standard temperature and pressure values for sea level?
A) 59 °F and 29.92 millibars.
B) 15 °C and 29.92" Hg.
C) 59 °C and 1013.2 millibars.
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