viserfly

Questions for ICING

Answer the following questions

1. In which of these cloud types can icing be virtually ruled out?
2. How does freezing rain develop?
3. Freezing rain occurs when
4. Clear ice is dangerous because it
5. A vertical temperature profile indicates the possibility of severe icing when the temperature profile
6. On the approach, the surface temperature is given as -5°C. The freezing level is at 3000 FT/AGL. At 4000 FT/AGL, there is a solid cloud layer from which rain is falling. According to the weather briefing, the clouds are due to an inversion caused by warm air sliding up and over an inclined front. Would you expect icing?
7. In which of these cloud types can icing be virtually ruled out?
8. What type of fronts are most likely to be present during the winter in Central Europe when temperatures close to the ground are below 0°C, and freezing rain starts to fall?
9. Under which conditions would you expect the heaviest clear ice accretion to occur in a CB?
10. While descending through a cloud cover at high level, a small amount of a white and rough powder-like contamination is detected along the leading edge of the wing. This contamination is called
11. Large supercooled water drops, which freeze on impact on an aircraft, form
12. Hoar frost forms on an aircraft as a result of
13. During the formation of rime ice in flight, water droplets freeze
14. The most dangerous form of airframe icing is
15. Two aircraft, one with a sharp wing profile (S), and the other with a thick profile (T), are flying through the same cloud with same true airspeed. The cloud consists of small supercooled droplets. Which of the following statements is most correct concerning ice accretion?
16. Glaze or clear ice is formed when supercooled droplets are
17. Supercooled droplets are always
18. In which of the following situations can freezing rain be encountered?
19. Supercooled droplets can be encountered
20. Which of the following conditions is most likely to cause airframe icing?
21. Freezing fog exists if fog droplets
22. At what degree of icing should ICAO’s “Change of course and/or altitude desirable” recommendation be followed?
23. In which environment is aircraft structural ice most likely to have the highest rate of accretion?
24. Which of the following statements is true regarding moderate-to-severe airframe icing?
25. You have been flying for some time in dense layered cloud. The outside air temperature is - 25°C. Which of the following statements is true?
26. Hoar frost is most likely to form when
27. A small supercooled cloud droplet that collides with an airfoil will most likely
28. Supercooled droplets can occur in
29. Freezing precipitation occurs
30. How does a pilot react to heavy freezing rain at 2000 FT/AGL, when he is unable to deice, nor land?