单选题 7. How can a pilot identify a military airport at night?
A、A. Green yellow and white beacon light
B、B. White and red beacon light with dual flash of the white
C、C. Green and white beacon light with dual flash of the white
单选题 8.. Before taking off, the captain finds that on weather map, a stable cold front is slowly moving towards his arrival airport,
A、A. (接正文he should predict that the weather at the arrival airport might be) cloudy with drizzle, low clouds and weak turbulent current
B、B. cumulonimbus clouds, shower and gale
C、C. clear after rain, north deflecting wind and strong turbulent current
单选题 9. Which color on a tri-color VASI is a "high" indication?
A、A. Red
B、B. Amber
C、C. Green.
单选题 6. Which speed symbol indicates the maximum speed for operating the landing gear of an airplane?
A、A. VLE.
B、B. VMO/MMO.
C、C. VLO/MLO.
单选题 2. The leading edge of an advancing warm air mass is.
A、A. warm front
B、B. stationary front
C、C. cold front
单选题 5. Which place in the turbojet engine is subjected to the highest temperature?
A、A. Compressor discharge.
B、B. Fuel sprays nozzles.
C、C. Turbine inlet.
单选题 4. In a light, twin-engine airplane with one engine inoperative, when is it acceptable to allow the ball of a slip-skid indicator to be deflected outside the reference lines?
A、A. While maneuvering at minimum controllable air-speed to avoid over banking.
B、B. When operating at any airspeed greater than VMC.
C、C. When practicing imminent stalls in a banked attitude.
单选题 3. Which of the following characteristics heat thunderstorm?
A、A. It moves with the weather system.
B、B. It covers small area and is isolated with openings
C、C. It strengthens at night and weakens in the day on land