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55. Which in-flight hazard is most commonly associated with warm fronts? A. precipitation-induced fog B. radiation fog C. advection fog

51. What prevents air from flowing directly from high pressure areas to low pressure areas? A. Coriolis force B. pressure gradient force C. surface friction 

62. What type of fog depends upon a wind in order to exist? A. steam fog and down slope fog B. advection fog and up slope fog C. precipitation induced fog and ground fog  

29. Clouds, fog or dew will always form when A. water vapor is present B. the temperature and dew point are equal C. water vapor condenses

23. Differences in temperature that occur between the night and the day are: A. Terrestrial radiation B. Diurnal Variation C. Lapse Rate  

50. With regard to windflow patterns shown on surface analysis charts; when isobars are A. not close together, the pressure gradient force is greater and wind velocities are stronger B close together, the pressure gradient force is greater and wind velocities are stronger C. close together, the pressure gradient force is slight and wind velocities are weaker

49. What is the standard temperature at 10,000 feet? A. +5 degrees C B. -5 degrees C C. -15 degrees C

37. During the life cycle of a thunderstorm, which stage is characterized predominately by downdrafts? A. mature B. dissipating C. cumulus

39. What is an indication that downdrafts have developed and the thunderstorm cell has entered the mature stage? A. precipitation begins to fall from the cloud base B. the anvil top has completed its development C. a gust front forms

38. Which weather phenomenon is always associated with a thunderstorm? A. Supercooled raindrops B. heavy rain showers C. lightning