CPL METEOROLOGY
REVISION QUESTIONS 1
1. Refer ARFOR/TAF 2 on pg 32 RMIT workbook.
The thunderstorms forecast in subdivision B are expected to be:
A. Well separated cells
B. Covering nearly all the sky
C. Would require you to carry 60’ holding fuel
D. Individual cells
2. Refer ARFOR/TAF 1 on pg 31 RMIT workbook
You depart YMAY at 0500UTC with ETA YMB of 0630UTC. The forecast wind velocity for arrival in the circuit area is:
A. 230oM/20kts gusting to 35kts
B. 230oT/20kts gusting to 35kts
C. 350oM/30kts gusting to 45kts
D. 350oT/30kts gusting to 45kts
3. Refer ARFOR/TAF 1 on pg 31 RMIT workbook
You are flying from Flinders Island to Mangalore. ETA MNG is 0000UTC. The forecast freezing level is:
A. 11000feet
B. 5500feet
C. 9000feet
4. Refer ARFOR/TAF 2 on pg 32 RMIT workbook.
You depart Echuca for Essendon with an ETA of 0430UTC. The lowest and greatest amount of forecast cloud for the route:
A. SCT ST/SC at 1000’AMSL
B. BKN CU at 4000’AMSL
C. SCT CU at 4000’AGL
D. BKN ST/SC at 1000’AMSL
5. An aircraft has been parked overnight in the open. Hoar frost has formed on it. If this ice is not removed
A. Fuel consumption on take off will be significantly increased
B. It will not affect performance
C. It could seriously affect performance (all ice must be removed before flight)
D. It could freeze the elevators, but take off would still be safe
6. From stratus, the most likely type of precipitation is:
A. Heavy continuous rain
B. Snow showers
C. Drizzle
D. Intermittent light/heavy rain
7. You are flying in an area of large towering cumulus clouds. Where in relation to the clouds would the least turbulence occur?
A. Between the CU
B. Beneath the CU
C. Inside the clouds
D. In the top 1000`of the CU
8. Clear icing is most likely to occur:
A. In ST at the freezing level
B. In the clear air below fog
C. In SC when it is very cold
D. In CU with the temperature just below freezing
9. With a small increase in wind strength, radiation fog can deepen because
A. Cold air near he ground will be mixed to a greater depth
B. Extra moisture is brought in by the increasing wind
C. There is always a drop in temperature when the wind speed increases
D. It blows the fog towards colder ground
10. What is the most likely result in a moist airflow over a mountain range?
A. A lower cloud base on the leeward slope
B. A lower cloud base on the windward slope
C. More cloud on the lee slope
D. Cloud base same on both sides
11. Clear ice is most likely to be severe in which temperature range:
A. +10oC to +5oC
B. +5oC to 0o C
C. 0o C to -15oC
D. -15oC to -30oC
12. What is the main hazard of lightning to an aircraft?
A. Interference to radios
B. Electrical failure
C. Structural failure
D. Terrified passengers
13. Thunderstorms in a cold front are potentially more dangerous to aircraft than airmass thunderstorms because:
A. They are slower moving and therefore hang around
B. Usually there are numerous storms very close together along a frontal line
C. There is little warning of their formation
D. Because they are colder and thus have a greater vertical development
14. A light wind blowing during the formation of a radiation inversion will cause the inversion to:
A. Disappear
B. Increase in depth
C. Decrease in depth
D. Form the same depth as in no wind
15. The onset of a sea breeze at a coastal airport is most likely to occur:
A. Early morning
B. Midday
C. 2pm
D. Late evening
16. The major hazard to an aircraft landing in a microburst is:
A. Reduced visibility due to heavy rain
B. Wind shear/downdraughts
C. Wind shear/updraughts
D. Burst tyres
17. For a VFR flight, by day, which of the following aerodrome forecasts for your destination would require an alternate
A. A crosswind on the main runway of 25kts
B. A crosswind in excess of the aircrafts maximum component
C. More than 4/8’s of cloud at 1700’
D. PROB 30% dust reducing visibility to 9000m
18. The planned time interval to your destination is 65minutes. The TAF indicates TEMPO TS for your arrival. If last light at your destination is 1905 UTC, what is the latest time you can depart?
A. 1650 UTC
B. 1700 UTC
C. 1750 UTC
D. 1800 UTC
19. In reference to the wind in an aerodrome forecast, its direction is given as:
A. Degrees magnetic to which the wind is blowing
B. Degrees true to which the wind is blowing
C. Degrees magnetic from which the wind is blowing
D. Degrees true from which the wind is blowing
20. Refer to the ARFOR/TAF 2 in RMIT workbook pg 32, the forecast visibility is:
A. 6kms in showers and rain
B. 10kms
C. 10kms or greater reducing to 6kms in showers and rain, 3000m in thunderstorms, hail, heavy showers
D. 6kms in showers and rain, 3000m in thunderstorms , hail, heavy showers
21. Refer to the ARFOR/TAF 2 in RMIT workbook pg 32
You depart Bendigo (BDG) at 0450UTC for Essendon (YMEN) arriving at 0530UTC. The lowest and greatest amount of cloud forecast for this flight is:
a. 1 -4 oktas of stratus/ stratocumulus at 1000’AMSL
b. 1 – 4 oktas stratocumulus at 3500’AMSL
c. 5 -7 oktas stratus/stratocumulus at 1000’AMSL
d. 5 -7 oktas cumulus at 4000’ AMSL
22. In a TAF and ARFOR , the wind direction is measured in:
a. Magnetic for TAF, TRUE for ARFOR
b. Magnetic for both
c. True for both
d. Magnetic for ARFOR but true for TAF
23. What type of cloud is most likely to be associated with continuous heavy rain
a. fog
b. stratus
c. cumulonimbus
d. nimbostratus
24. During the night hoar frost has formed on the wings of your aircraft, which was parked in the open overnight. This will have which of the following effects:
a. No effect due to the skill of the pilot
b. Will not have significant detrimental effect on the flying characteristics of the aircraft
c. No effect
d. Could be deadly and should always be removed prior to take off
25. You are flying near a mountain range in strong winds. The worst turbulence is likely to be:
a. Under the ridge
b. Upwind of the ridge
c. Over the ridge
d. In the lee of the ridge
26. Refer to chart 4, pg 28 RMIT work booklet for the following:
The weather conditions most likely expected for Darwin, given that this chart was issued in the afternoon are:
a. A cool southerly change to occur
b. The possibility of afternoon thunderstorms
c. Hot, dry and fine with no cloud likely
d. Strong winds and overcast skies
27. What type of precipitation is most likely from stratus?
a. Drizzle
b. Snow flakes
c. Continuous heavy rain
d. Heavy showers
28. A hazard to flight that may be present during the developing cumulus stage of a thunderstorm is:
a. Microburst/ downbursts
b. Severe turbulence in the up draughts and downdraughts
c. Severe engine and airframe ice
d. Heavy rain reducing visibility
29. Radiation fog will probably thicken with a small increase in wind speed because:
a. The wind brings in more moist air
b. The cold air near the ground mixes to a greater depth
c. The faster the wind the colder the air gets
d. It brings more dust particles
30. What is the temperature range that clear ice is most likely to be severe:
a. -15oC to -35oC
b. +15oC to +35o C
c. 0o C to +15oC
d. 0oC to -15oC作者: 帅哥 时间: 2008-12-23 21:17:03
CPL MET Revision Questions 1 – ANSWERS
1. d
2. b
3. a
4. d
5. c
6. c
7. a
8. d
9. a
10. b
11. c
12. b
13. b
14. b
15. c
16. b
17. b
18. a
19. d
20. c
21. c
22. c
23. c
24. d
25. d
26. b
27. a
28. c
29. b
30. d