C． prevent flow separation c

17. 气团雷暴downdrafts and precipitation

18. which type storms are most likely to found clouds or tormals cold front or squall line thunderstorms 19. 严重雷暴定义 20．多普勒雷达4TKM 21．最有可能形成山地波

22．Wind strength in upper air riffle are stormy and serious turbulence will occur

23.generator voltage

A. is controlled by the voltage regulator B. is controlled by the PRM of the engine C. is controlled by number of magnetic poles (a)

24.in relation to accelerate stop distance certification rules allow a period of time for engine failure recognition and pilot reaction, how long is this period

A. V1 plus 2 second B. 2 second

C. Vef until V1 plus 2 S c

25. an ATC ?instruction?

A. is a directive issued by ATC for the purpose of requiring a pilot to take a specific action providing the safety of the aircraft in not jeoparalized B. is the same as an ATC clearance

C. must be read back in full to the controller and confirmed before becoming effective a

26. how does aroused affect performance A. affected in overload but not underload B. affected in underload but not overload C. both affected (c)

27. the surface air temperature of a running will depend on all of the following

A. airfield elevation, runway length and slope, airfield latitude and wind B. airfield elevation and latitude time of the year, time of day, runway surface prevailing wind and cloud cover

C. airfield elevation runway length, prevailing wind and the time of day (b)

28.the dew point temperature is higher when A. air is very warm and dry B. air is very cold and moist

C. air is very moist (c)

30．What altitude is a pilot authorized to fly when cleared for an ZLS approach

A. must maintain the last assigned altitude established on a published route or segment of the approach with published altitudes

B. ma descend from the assigned altitude only when established on the final approach course

C. may begin a descend to the procedure turn altitude (a)

31 provisional or modified route are displayed as A, a solid white line B, a dashed white line C, a dashed magenta line B

32.when making a landing over darkened or featureless terrain such as water or snow, a pilot be aware of the possibility of illusion the approach may appear to be too A. shallow B. high C. low

b

34.when must the pilot initiate a missed approach procedure from an ILS approach

A.

when the time has expired after reaching the DH and the runway environment is not clearly visible B.

at the DH, if the visual for the intended runway are not destinaty visible or anytime thereafter that visual reference is lost C. (b)

35. when thrust reversers are not available ASDA must be increase by A. a distance equal to half of the clearway B. 10% C. 200 meters b

36. assuring that all ILS components are operating and the required visual reference are not acquired the missed approach should be initiated upon

A. expiration of the time listed on the approach chart for missed approach

B. arrival at the DH on the glide slope C. arrival at the visual descent point

at the DH when the runway is not clearly visible