PRAV 101 FINAL EXAM QUESTIONS AND VERIFIED
ANSWERS
The conditions necessary for the formation of cumulonimbus clouds are a lifting action
and
a. unstable, moist air.
b. unstable air containing an excess of condensation nuclei.
c. either stable or unstable air - Answers - a. unstable, moist air.
Which weather phenomenon is always associated with a thunderstorm?
a. Lightning.
b. Heavy rain.
c. Hail. - Answers - a. Lightning.
The layers of the atmosphere, beginning at the earth's surface, are:
a. Troposphere, mesosphere, and stratosphere.
b. Stratosphere, mesosphere, and troposphere.
c. Troposphere, stratosphere, and mesosphere. - Answers - c. Troposphere,
stratosphere, and mesosphere.
What causes sea breezes to move inland?
a. Warm, dense air moving inland from over the water to replace cool air that has risen
over the land.
b. Cool, dense air moving inland from over the water to replace warm air that has risen
over the land.
c. Water absorbing and radiating heat faster than the land. - Answers - b. Cool, dense
air moving inland from over the water to replace warm air that has risen over the land.
Frost on the wing of an airplane:
a. Should always be removed before flying.
b. Should only be removed if it has an extremely rough texture.
c. Causes no problem due to its smooth surface. - Answers - a. Should always be
removed before flying.
AIRMETs are advisories of significant weather phenomena but of lower intensities than
SIGMETS and are intended for dissemination to
a. only IFR pilots.
b. all pilots.
c. only VFR pilots. - Answers - b. all pilots.
What is wake turbulence?
a. The counter rotating vortices off the wingtips of an airplane generating lift.
b. The air trailing behind an aircraft due to its prop wash in flight.
, c. The air trailing behind an aircraft due to its prop wash while on the ground. - Answers
- a. The counter rotating vortices off the wingtips of an airplane generating lift.
What feature is normally associated with the cumulus stage of a thunderstorm?
a. Frequent lightning.
b. Continuous updraft.
c. Roll cloud. - Answers - b. Continuous updraft.
What is meant by the term 'dewpoint'?
a. The temperature to which air must be cooled to become saturated.
b. The temperature at which dew will always form.
c. The temperature at which condensation and evaporation are equal. - Answers - a.
The temperature to which air must be cooled to become saturated.
A weather briefing that is provided when the information requested is 6 or more hours in
advance of the proposed departure time is
a. a prognostic briefing.
b. an outlook briefing.
c. forecast briefing. - Answers - b. an outlook briefing.
Thunderstorms may contain:
a. Turbulence and icing only.
b. Turbulence and lightning only.
c. Turbulence, icing, hailstones, and lightning. - Answers - c. Turbulence, icing,
hailstones, and lightning.
What types of fog depend upon wind in order to exist?
a. Advection fog and upslope fog.
b. Steam fog and ground fog.
c. Radiation fog and ice fog. - Answers - a. Advection fog and upslope fog.
The information in a METAR is:
a. Sequential following a prescribed format.
b. Follows no specific format.
c. Depends on the amount of data presented. - Answers - a. Sequential following a
prescribed format.
Thunderstorms reach their greatest intensity during the
a. downdraft stage.
b. mature stage.
c. cumulus stage. - Answers - b. mature stage.
While flying over mountainous terrain you see clouds with extensive vertical
development. What does this indicate?
a. An unstable air mass over the mountains.
b. Dry air.
ANSWERS
The conditions necessary for the formation of cumulonimbus clouds are a lifting action
and
a. unstable, moist air.
b. unstable air containing an excess of condensation nuclei.
c. either stable or unstable air - Answers - a. unstable, moist air.
Which weather phenomenon is always associated with a thunderstorm?
a. Lightning.
b. Heavy rain.
c. Hail. - Answers - a. Lightning.
The layers of the atmosphere, beginning at the earth's surface, are:
a. Troposphere, mesosphere, and stratosphere.
b. Stratosphere, mesosphere, and troposphere.
c. Troposphere, stratosphere, and mesosphere. - Answers - c. Troposphere,
stratosphere, and mesosphere.
What causes sea breezes to move inland?
a. Warm, dense air moving inland from over the water to replace cool air that has risen
over the land.
b. Cool, dense air moving inland from over the water to replace warm air that has risen
over the land.
c. Water absorbing and radiating heat faster than the land. - Answers - b. Cool, dense
air moving inland from over the water to replace warm air that has risen over the land.
Frost on the wing of an airplane:
a. Should always be removed before flying.
b. Should only be removed if it has an extremely rough texture.
c. Causes no problem due to its smooth surface. - Answers - a. Should always be
removed before flying.
AIRMETs are advisories of significant weather phenomena but of lower intensities than
SIGMETS and are intended for dissemination to
a. only IFR pilots.
b. all pilots.
c. only VFR pilots. - Answers - b. all pilots.
What is wake turbulence?
a. The counter rotating vortices off the wingtips of an airplane generating lift.
b. The air trailing behind an aircraft due to its prop wash in flight.
, c. The air trailing behind an aircraft due to its prop wash while on the ground. - Answers
- a. The counter rotating vortices off the wingtips of an airplane generating lift.
What feature is normally associated with the cumulus stage of a thunderstorm?
a. Frequent lightning.
b. Continuous updraft.
c. Roll cloud. - Answers - b. Continuous updraft.
What is meant by the term 'dewpoint'?
a. The temperature to which air must be cooled to become saturated.
b. The temperature at which dew will always form.
c. The temperature at which condensation and evaporation are equal. - Answers - a.
The temperature to which air must be cooled to become saturated.
A weather briefing that is provided when the information requested is 6 or more hours in
advance of the proposed departure time is
a. a prognostic briefing.
b. an outlook briefing.
c. forecast briefing. - Answers - b. an outlook briefing.
Thunderstorms may contain:
a. Turbulence and icing only.
b. Turbulence and lightning only.
c. Turbulence, icing, hailstones, and lightning. - Answers - c. Turbulence, icing,
hailstones, and lightning.
What types of fog depend upon wind in order to exist?
a. Advection fog and upslope fog.
b. Steam fog and ground fog.
c. Radiation fog and ice fog. - Answers - a. Advection fog and upslope fog.
The information in a METAR is:
a. Sequential following a prescribed format.
b. Follows no specific format.
c. Depends on the amount of data presented. - Answers - a. Sequential following a
prescribed format.
Thunderstorms reach their greatest intensity during the
a. downdraft stage.
b. mature stage.
c. cumulus stage. - Answers - b. mature stage.
While flying over mountainous terrain you see clouds with extensive vertical
development. What does this indicate?
a. An unstable air mass over the mountains.
b. Dry air.
