AVIA 340 Final

AVIA 340 Final

AVIA 340 Final Liberty University

AVIA 340 Quiz Final

1. In 250-300 words, explore one topic in this course that you found most useful to your aviation career. Is this topic a hazard in aviation? Why has learning about the topic helped you in your career? Be specific. Be sure to view the rubric to ensure expectations are meet.
2. In what part of the atmosphere are meteors found?
3. The moist adiabatic lapse rate can vary between approximately 1.2 °C per 1,000 feet to 3 °C per 1,000 feet.
4. Nimbus comes from the Latin word meaning _______.
5. The disadvantages of flying in the stratosphere can include:
6. Precipitation formation requires:
7. High-level clouds that form above 20,000 feet and are usually composed of ice crystals are known as ______ clouds.
8. A high pressure system is anticyclonic.
9. Weather is the atmosphere’s response to unequal rates of radiational heating and cooling across the surface of the Earth and within its atmosphere.
10. Sublimation is the phase transition by which vapor (a gas) is changed into a liquid.
11. Sea breezes usually blow on relatively calm, sunny, summer days.
12. is the state of a column of air in the atmosphere when its lapse rate of temperature is less than the moist adiabatic lapse rate.
13. While in flight, the rawinsonde instrument (in weather balloons) transmits:
14. Assuming constant mass and temperature, an air parcel with a higher pressure is denser than an air parcel with a lower pressure.
15. The “pause” in concentric layers is where the maximum changes in thermal characteristics, chemical composition, movement, and density occur.
16. The atmosphere always contains some water vapor in amounts varying from trace to about four percent by volume. As water vapor content increases, the other gases decrease proportionately.
17. 500 millibars is equivalent to 10,000 feet (based on standard temperatures).
18. Coriolis force is at a right angle to wind direction and directly proportional to wind speed; that is, as wind speed ______, Coriolis force
19. Assuming constant mass and pressure, an air parcel with a higher temperature is ____ dense than an air parcel with a lower temperature.
20. Why do commercial airplanes usually fly in the lower stratosphere?
21. Friction force magnitude is directly proportional to wind speed.
22. The National Environmental Satellite, Data, and Information Service (NESDIS) provides data to the National Weather Service.
23. Coded and/or plain language information elaborating on data in the body may be appended to the end of the METAR as “notes.”
24. It can be difficult to distinguish visually between an ash cloud and an ordinary cloud.
25. Which of the following is not a stage in a thunderstorm cell life cycle:
26. A PIREP listed as UUA means it is:
27. In the United States, hail is most common across the Great Plains region east of the Rocky Mountains.
28. fog forms as a result of moist, stable air being adiabatically cooled to or below its dew point as it moves up sloping terrain.
29. Pure water suspended in the air does not freeze until it reaches a temperature of -32 °C.
30. Wind direction may be considered variable when the wind speed was 6 knots or less.
31. Which of the following would not be listed in a SIGMET:
32. Which of the following is true regarding convective turbulence:
33. A __________ briefing provides a complete weather picture and is the most detailed of all briefings.
34. Wind speeds in a METAR are determined by the average wind speed over a 5-minute period.
35. The flight path tool, provided by the Aviation Weather Center (AWC), also allows many overlay options, including Air Route Traffic Control Center (ARTCC) boundaries, counties, highways, and rivers.
36. Automated observations are derived from instruments and algorithms without human input or oversight.
37. is a visible aggregate of minute water droplets that are based at the Earth’s surface and reduces horizontal visibility to less than 5/8 statute mile.
38. FSSs provide:
39. An ARTCC is a facility established to provide air traffic control (ATC) service to aircraft operating on visual flight rules (VFR) flight plans within controlled airspace, principally during the en route phase of flight.
40. ice is rough, milky, and opaque ice formed by the instantaneous freezing of small, super cooled water droplets after they strike the aircraft.
41. Advection fog is generally a nighttime occurrence and often does not dissipate until after sunrise.

Other sets

1. In 250-300 words, explore one topic in this course that you found most useful to your aviation career. Is this topic a hazard in aviation? Why has learning about the topic helped you in your career? Be specific. Be sure to view the rubric to ensure expectations are meet.
2. Frontal systems point in the opposite direction of frontal movement.
3. Wind cannot change the stability of a column of air in the atmosphere. (
4. Coriolis force is at a right angle to wind direction and directly proportional to wind speed; that is, as wind speed ______, Coriolis force
5. What is the standard atmosphere value at sea level commonly used for U.S. Aviation?
6. is the state of a column of air in the atmosphere when its lapse rate of temperature is less than the moist adiabatic lapse rate.
7. Which of the following are considered high-level clouds?
8. Using the Celsius to Fahrenheit conversion formula, what temperature is equivalent to 30 degrees Celsius?
9. The disadvantages of flying in the stratosphere can include:
10. occur when there is a shallow layer aloft with above freezing temperatures and with a deep layer of below freezing air based at the surface.
11. High density altitude shortens a pilot’s takeoff and landing rolls.
12. A high pressure system is anticyclonic.
13. All clouds contain water.
14. In the United States, where is lake effect common?
15. When does a surface-based inversion typically occur?
16. Friction force magnitude is directly proportional to wind speed.
17. Sublimation is the phase transition by which vapor (a gas) is changed into a liquid.
18. The atmosphere always contains some water vapor in amounts varying from trace to about four percent by volume. As water vapor content increases, the other gases decrease proportionately.
19. Pressure is the ratio of any quantity to the volume or area it occupies.
20. Assuming constant mass and pressure, an air parcel with a higher temperature is ____ dense than an air parcel with a lower temperature.
21. Which circulation is a low-latitude air movement toward the Equator that, with heating, rises vertically with poleward movement in the upper atmosphere? This circulation forms a convection cell that dominates tropical and subtropical climates.
22. Although the areas where AIRMETs apply may be shown graphically, a graphical depiction of the AIRMET area is not the entire AIRMET.
23. A _____ briefing should be requested when a departure has been delayed or when specific weather information is needed to update.
24. The National Weather Service provides weather data, forecasts, and warnings for only the United States.
25. Pure water suspended in the air does not freeze until it reaches a temperature of -32 °C.
26. Which of the following are the ultimate users of aviation weather services:
27. Which of the following is not a stage in a thunderstorm cell life cycle:
28. Which of the following can happen if an aircraft flies into a volcanic ash cloud?
29. Which of the following is the notation for reporting hail in a METAR/SPECI:
30. The directional variability for wind direction in a METAR is coded in a clockwise direction and consists of the extremes of the wind directions separated by a “X.”
31. Which of the following are not considered forecasts:
32. The FAA does not approve or qualify Internet providers of aviation weather.
33. Automated observations are derived from instruments and algorithms without human input or oversight.
34. This type of brieng should be obtained prior to the departure of any flight and should be used during flight planning.
35. A ________ is a line connecting points of equal or constant pressure.
36. A mountain obscuration is a condition in which mountains or mountain ridges are obscured due to clouds, precipitation, smoke, or other obscurations.
37. Mountain waves can only extend up to 100 miles downwind from the mountain range.
38. Weather is the most common reason for air traffic delays and re- routings.
39. are raw weather data collected by sensors such as weather radar or satellite.
40. Propagation is the component of storm motion due to individual cells moving with the average wind throughout the vertical depth of the cumulonimbus cloud.
41. SPECIs are only issued every hour.

Set 1

1. The HIWAS broadcast area is defined as the area within 50 NM of HIWAS outlets.
2. The moist adiabatic lapse rate can vary between approximately 1.2 °C per 1,000 feet to 3 °C per 1,000 feet.
3. ______ are raw weather data collected by sensors such as weather radar or satellite.
4. While in flight, the rawinsonde instrument (in weather balloons) transmits:
5. A high pressure system is anticyclonic.
6. All altitude references in a PIREP are MSL unless otherwise noted.
7. Water is more resistant to temperature changes than land.
8. The standard sea level temperature is 59 degrees Celsius.
9. High density altitude is a hazard since it reduces aircraft performance in which ways?
10. Precipitation formation requires:
11. Which of the following can happen if an aircraft flies into a volcanic ash cloud?
12. A __________ consists of a group of cells at various stages of their life cycle.
13. A __________ briefing provides a complete weather picture and is the most detailed of all briefings.
14. Sea breezes usually blow on relatively calm, sunny, summer days.
15. Greenhouse warming is most enhanced during ____ nights.
16. A _____________ chart shows the distribution of sea level pressure, including the positions of highs, lows, ridges, and troughs, and the location and character of fronts and various boundaries, such as drylines, outflow boundaries, and sea breeze fronts.
17. A gust is a fluctuation of wind speed with variations of 20 knots or more between peaks and lulls.
18. Which form of vertical motion occurs when the cold, denser air wedges under the warm, less dense air, plowing it upward, and/or the warmer air rides up and over the colder air.
19. Pressure is the ratio of any quantity to the volume or area it occupies.
20. The FAA does not approve or qualify Internet providers of aviation weather.
21. The highest quantities of super cooled liquid water content (SLWC) can be found in cumuliform clouds.
22. Assuming constant mass and pressure, an air parcel with a higher temperature is ____ dense than an air parcel with a lower temperature.
23. The National Environmental Satellite, Data, and Information Service (NESDIS) provides data to the National Weather Service.
24. Weather is the atmosphere’s response to unequal rates of radiational heating and cooling across the surface of the Earth and within its atmosphere.
25. A _____ is an elongated area of relatively low atmospheric pressure.
26. An ARTCC is a facility established to provide air traffic control (ATC) service to aircraft operating on visual flight rules (VFR) flight plans within controlled airspace, principally during the en route phase of flight.
27. The atmosphere always contains some water vapor in amounts varying from trace to about four percent by volume. As water vapor content increases, the other gases decrease proportionately.
28. In what part of the atmosphere are meteors found?
29. A ________ is a line connecting points of equal or constant pressure.
30. Local winds include:
31. 500 millibars is equivalent to 10,000 feet (based on standard temperatures).
32. Friction force magnitude is directly proportional to wind speed.
33. A mountain obscuration is a condition in which mountains or mountain ridges are obscured due to clouds, precipitation, smoke, or other obscurations.
34. Density altitude is the pressure altitude corrected for temperature deviations from the standard atmosphere
35. Which of the following are considered high-level clouds?
36. Stable air suppresses vertical motion while unstable air enhances it.
37. Which of the following is true regarding convective turbulence:
38. _______ is the state of a column of air in the atmosphere when its lapse rate of temperature is less than the moist adiabatic lapse rate.
39. FSSs provide:
40. Which of the following is true about Clear Air Turbulence (CAT):

Set 2

1. Weather is the most common reason for air traffic delays and re-routings.
2. Precipitation formation requires:
3. Advection fog is generally a nighttime occurrence and often does not dissipate until after sunrise.
4. Mountain waves can only extend up to 100 miles downwind from the mountain range.
5. A PIREP listed as UUA means it is:
6. Structural icing destroys the smooth flow of air, increasing drag while decreasing the ability of the airfoil to create lift.
7. 500 millibars is equivalent to 10,000 feet (based on standard temperatures).
8. Diurnal temperature variation is the property of the ambient air that either enhances or suppresses vertical motion of air parcels and determines which type of clouds and precipitation a pilot will encounter.
9. Which of the following is true about Clear Air Turbulence (CAT):
10. Friction force magnitude is directly proportional to wind speed.
11. All altitude references in a PIREP are MSL unless otherwise noted.
12. High-level clouds that form above 20,000 feet and are usually composed of ice crystals are known as ______ clouds.
13. Stable air suppresses vertical motion while unstable air enhances it.
14. Assuming constant mass and pressure, an air parcel with a higher temperature is ____ dense than an air parcel with a lower temperature.
15. The directional variability for wind direction in a METAR is coded in a clockwise direction and consists of the extremes of the wind directions separated by a “X.”
16. Density altitude is the pressure altitude corrected for temperature deviations from the standard atmosphere.
17. Assuming constant mass and temperature, an air parcel with a higher pressure is denser than an air parcel with a lower pressure.
18. This type of briefing should be obtained prior to the departure of any flight and should be used during flight planning.
19. Pressure is the ratio of any quantity to the volume or area it occupies.
20. ____________ occur when there is a shallow layer aloft with above freezing temperatures and with a deep layer of below freezing air based at the surface.
21. Sea breezes usually blow on relatively calm, sunny, summer days.
22. Which of the following is true regarding convective turbulence:
23. Frontal systems point in the opposite direction of frontal movement.
24. The FAA does not approve or qualify Internet providers of aviation weather.
25. A _____ is an elongated area of relatively low atmospheric pressure.
26. Coded and/or plain language information elaborating on data in the body may be appended to the end of the METAR as “notes.”
27. In what part of the atmosphere are meteors found?
28. Which circulation is a low-latitude air movement toward the Equator that, with heating, rises vertically with poleward movement in the upper atmosphere? This circulation forms a convection cell that dominates tropical and subtropical climates.
29. The National Weather Service provides weather data, forecasts, and warnings for only the United States.
30. A __________ briefing provides a complete weather picture and is the most detailed of all briefings.
31. Propagation is the component of storm motion due to individual cells moving with the average wind throughout the vertical depth of the cumulonimbus cloud.
32. Which of the following would not be listed in a SIGMET:
33. _______ is the state of a column of air in the atmosphere when its lapse rate of temperature is less than the moist adiabatic lapse rate.
34. The shortest day of the year is known as the ____.
35. Clouds form in the atmosphere as a result of condensation of water vapor in rising currents of air.
36. Using the Celsius to Fahrenheit conversion formula, what temperature is equivalent to 30 degrees Celsius?
37. A ______ briefing is a good source of flight planning information that can influence decisions regarding route of flight, altitude, and ultimately the “go, no-go” decision.
38. Sublimation is the phase transition by which vapor (a gas) is changed into a liquid.
39. Which air mass classification is defined by these properties? A relatively shallow cool to cold air mass which develops over high latitudes.
40. The ATCSCC’s main mission is to provide commercial aviation with the fastest, most fuel-efficient route.
41. In 250-300 words, explore one topic in this course that you found most useful to your aviation career. Is this topic a hazard in aviation? Why has learning about the topic helped you in your career?