Pass mark 75% from twenty randomly chosen questions.
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#1. You’re at an airfield just a few feet above sea level, and it’s a standard day (ISA). Approximately what altitude would you find a temperature of -1 degrees Celsius?
The standard lapse rate is 2 degrees for every thousand feet. ISA standard temperature is 15 degrees at sea level.
The difference between 15 and -1 is 16 degrees. Dividing this value by 2 (two degrees per thousand feet) gives you 8. Multiply that by 1,000 and you get an altitude of 8,000 feet.
#2. The observed temperature at the surface is +11°C and at 4000 feet the temperature is +16°C. The state of the atmosphere can be described as:
#3. A METAR is a weather:
#4. Clear ice occurs when:
#5. In the northern hemisphere, compared to the surface, the 2000 foot wind can be expected to:
#6. Fog that forms from the interaction of two airmasses is called:
#7. What units is pressure measured in?
#8. What is the wind that flows down the side of mountain slopes at night called?
#9. If ice forms over the static vent of an aircraft and blocks it during the climb, the altimeter will read:
#10. A wind whose direction has changed clockwise is said to have:
#11. For saturated air, the lapse rate is _______________ ; this is called the Saturated Adiabatic Lapse Rate (SALR)
#12. In the northern hemisphere, if you stand with your back to the wind, where would you expect the low pressure region to be?
#13. In the northern hemisphere, an aircraft flying from an area of high to low pressure will experience:
Due to the anti-clockwise motion of the airmass, and going towards the low pressure area, the wind will be from the left (port) causing a right (starboard) drift.
#14. A TAF is a weather:
#15. In the southern hemisphere, high pressure system winds circulate in which direction?
#16. On a cold, clear night, ice crystals may form on a surface directly from water vapour. What is this process called?
#17. The lapse rate for a dry parcel of air is:
#18. In the International Standard Atmosphere (ISA), the temperature lapse rate is assumed to be:
#19. Lines joining places of equal atmospheric pressure are called:
#20. Considering the following METAR for Catania-Fontanarossa airport: LICC 231020Z 23007KT 200V280 9999 FEW060 13/04 Q1028=. Which of the following statements is not incorrect?
Location: LICC
Day of month: 23
Time: 10:20 UTC
Wind: True direction = 230 degrees, Speed: 7 knots
Wind direction is variable between 200 and 280
Visibility: 10 km or more
Clouds: Few (1-2 oktas), at 6000 feet above aerodrome level
Temperature: 13 degrees Celsius
Dewpoint: 04 degrees Celsius
QNH (Sea-level pressure): 1028 hPa
