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Private Pilot : 2007年 Airman Knowledge Test Question (Written Exam)
341.
An almond or lens-shaped cloud which appears stationary, but which may contain winds of 50 knots or more, is referred to as
A) an inactive frontal cloud.
B) a funnel cloud.
C) a lenticular cloud.
342.
Crests of standing mountain waves may be marked by stationary, lens-shaped clouds known as
A) mammatocumulus clouds.
B) standing lenticular clouds.
C) roll clouds.
343.
What cloud types would indicate convective turbulence?
A) Cirrus clouds.
B) Nimbostratus clouds.
C) Towering cumulus clouds.
344.
What clouds have the greatest turbulence?
A) Towering cumulus.
B) Cumulonimbus.
C) Nimbostratus.
345.
What situation is most conducive to the formation of radiation fog?
A) Warm, moist air over low, flatland areas on clear, calm nights.
B) Moist, tropical air moving over cold, offshore water.
C) The movement of cold air over much warmer water.
346.
If the temperature/dewpoint spread is small and decreasing, and the temperature is 62 °F, what type weather is most likely to develop?
A) Freezing precipitation.
B) Thunderstorms.
C) Fog or low clouds.
347.
In which situation is advection fog most likely to form?
A) A warm, moist air mass on the windward side of mountains.
B) An air mass moving inland from the coast in winter.
C) A light breeze blowing colder air out to sea.
和訳と解説
348.
What types of fog depend upon wind in order to exist?
A) Radiation fog and ice fog.
B) Steam fog and ground fog.
C) Advection fog and upslope fog.
349.
One of the most easily recognized discontinuities across a front is
A) a change in temperature.
B) an increase in cloud coverage.
C) an increase in relative humidity.
350.
One weather phenomenon which will always occur when flying across a front is a change in the
A) wind direction.
B) type of precipitation.
C) stability of the air mass.
Private Pilot Knowledge Test (Private Written Exam) 05/23/2007 :
2008年の問題へ