Download WEATHER EXAM #6

WEATHER EXAM #6
1) At the top of the troposphere, there is transition layer called the:
a) Tropopause*
b) Ozone layer
c) Atmospheric layer
d) Stratosphere
2) The two layers of the atmosphere are the:
a) Tropopause and mesophere
b) Troposphere and stratosphere*
c) Tropopause and stratosphere
d) Mesosphere and thermosphere
3) Which of the following is composed of only weather hazards?
a) Clouds, humidity, precipitation
b) Clouds, hail, icing
c) Low ceilings, hail, icing*
d) Low ceilings, humidity, precipitation
4) Which of the following is composed of only weather elements?
a) Precipitation, clouds, turbulence
b) Clouds, low visibility, hail
c) Temperature, pressure, clouds*
d) Low visibility, low clouds, snow
5) The Earth's atmosphere absorbs heat energy that is radiated by the:
a) Sun
b) Earth
c) Both a and b*
d) Earth and Moon
6) The specific heat of water:
a) Is greater during the day
b) Is greater during the night
c) Remains constant day and night*
d) Is lower during the day
7) The process by which the Earth is warmed during the day and cooled at night is known as:
a) Conduction
b) Radiation*
c) Convection
d) Advection
8) A pilot flying in a standard atmosphere at 10,000 feet MSL and at a temperature of -8oC wishes to find an altitude
at which the temperature is +4 oC. The pilot should:
a) Descend to approximately 2,000 feet
b) Descend to approximately 4,000 feet*
c) Descend to approximately 6,000 feet
d) Climb to an inversion
9) A condition wherein the air temperature aloft is higher than that of the lower atmosphere is generally referred to
as:
a) A low pressure area
b) Turbulence
c) A temperature inversion*
d) Convection currents
10) The barometric pressure is the same at every point on:
a) An isobar*
b) An isotherm
c) A cold front
d) An isotach
11) The height of an aircraft above the ground is known as:
a) MSL altitude
b) AGL altitude*
c) Indicated altitude
d) Pressure altitude
12) The altimeter setting at NAS New Orleans is 29.85" Hg, and 30.15 at NAS Pensacola. A pilot sets the altimeter
at New Orleans and flies to Pensacola at an indicated altitude of 5,000 feet without changing the setting.
Assuming a standard lapse rate, what is the true altitude over Pensacola?
a) 4,700 feet
b) 5,000 feet
c) 5,030 feet
d) 5,300 feet*
13) At the equator, surface winds are not affected by:
a) Pressure gradient
b) Coriolis force
c) Centrifugal force
d) Friction*
14) The forces that determine the direction of winds aloft are weakened at the Earth's surface by:
a) Pressure gradient
b) Coriolis force
c) Centrifugal force
d) Friction*
15) The initial movement of air toward a low-pressure area is caused by the:
a) Pressure gradient*
b) Coriolis force
c) Centrifugal force
d) Friction
16) In what overall direction do local winds tend to blow during the day and night where large bodies of water and
land meet?
a) From water to land during both day and night
b) From land to water both day and night
c) From land to water during the day, and from water to land during the night
d) From water to land during the day, and from land to water during the night*
17) In addition to water vapor, which one of the following substances must be present in the atmosphere for rain to
occur?
a) Carbon dioxide
b) Condensation nuclei*
c) Argon
d) Nitrogen
18) What is the term for the process by which a substance changes from a solid to a vapor?
a) Fusion
b) Sublimation*
c) Condensation
d) Crystallization
19) The ratio of water vapor in the air to the maximum water vapor air can hold at a given temperture, expressed as
a percentage, is:
a) Atmospheric pressure
b) Relative humidity*
c) Condensation
d) Precipitation
20) When air contains all the moisture that is possible with a given temperature, the air is:
a) Sublime
b) Crystallized
c) Saturated*
d) Evaporating
21) The temperature to which the air must be cooled to become saturated is called:
a) Dew point*
b) Condensation nuclei
c) Pressure gradient
d) Precipitation factor
22) Stratiform clouds are associated with _____ flight conditions.
a) Turbulent
b) Low visibility
c) Smooth*
d) Inverted
23) The cloud which can produce heavy showers is called:
a) Straiform
b) Nimbostratus
c) Cumulonimbus*
d) Altostratus
24) As mPk air moves from the Pacific Ocean across the west coast of the United States and into the mountainous
regions, it will generally produce:
a) Stratiform clouds, steady precipitation, and smooth flight
b) Cumuliform clouds, showers, and turbulent flight*
c) Sratiform clouds, showers, and turbulent flight
d) Cumuliform clouds, steady precipitation, and turbulent flight
25) Which one of the following air masses would most likely produce thunderstorm activity?
a) mTw
b) cPw
c) cTk
d) mTk*
26) Which one of the following conditions is most favorable for air mass formation?
a) Rapid motion of a body of air over a uniform surface
b) Stagnation of a body of air over a non-uniform surface
c) Rapid motion of a body of air over a surface of uniform temperature and humidity
d) Stagnation of a body of air over a uniform surface of uniform temperature and moisture*
27) Which of the following parameters of an air mass are generally uniform in a horizontal plane?
a) Pressure and stability
b) Pressure and moisture
c) Temperature and pressure
d) Temperature and moisture*