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C X
478. Which of the following will increase susceptibility敏感to hypoxia
A. smoking and alcohol
B. fatigue疲勞
C. both A and B
C X
479.. A plane, MH 300°, receive this ATC clearance: "... HOLD WEST OF THE ABC VORTAC ON THE
TWO SEVEN ZERO RADIAL...” What is the recommended procedure to enter the holding pattern?
A. Teardrop only
B. Direct only
C. Parallel only
C X
481.Which is a purpose of leading-edge slats on high-performance wings?
A. Decrease lift at relative slow speeds.
B. Improve aileron control during low angles of attack.
C. Direct air from the high pressure area under the leading edge along the top of the wing.
C X
483. The function of the ciliary muscles in the eyes is to
A. move the eyes from left to right in the socket
B. changes the size of the pupil to vary the amount of light entering the eye.
C. alters the shape of the lens to allow the eye to focus on objects at various distances.
C X
485.What is a characteristic of the troposphere?
A. It contains all the moisture of the atmosphere.
B. There is an overall decrease of temperature with an increase of altitude.
C. The average altitude of the top of the troposphere is about 6 miles.
B X
486.. The abbreviated plain language "WSWRNG " expressing
A. Wind shear warning
B. Aerodrome warning
C. Hazardous weather warning
A X
489. Which document specifically authorizes a person to operate an aircraft in a particular geographic地
理的area?
A. Operations Specifications.
B. Operating Certificate.
C. Dispatch Release.
A X
490.Which letter do you select to fill in the TYPE OF FLIGHT box during IFR flight training?
A.N
B.S
C.G
C X
491. Deference is one of the "hazardous thoughts" which affect human behavior and decision making. It
refer to
A. the tendency to resist authority and object to regulation
B. the tendency to believe that "it can not happen to me"
C. the tendency to blame another person or circumstance for whatever goes wrong
C X
493. For a flag air carrier flight to be released to an island airport for which an alternate airport is not
available, a turbojet-powered airplane must have enough fuel to fly to that airport and thereafter to fly
A. at least 2 hours at normal cruising fuel consumption
B. for 3 hours at normal cruising fuel consumption
C. back to the departure airport
A X
494. After been in exposed to normal lighting, dark adaptation (night vision) returns after a recovery
period of about
A.30 minutes
B.1 hours
C.5 minutes
A X
496.Which of the following statements about "hailstone" is correct?
A. ground rain means that the hailstone disappears in the air
B. towering clouds usually produce hailstones
C. the hail can be thrown several kilometers out of the thunderstorm.
C X
499.Which condition will for the formation of radiation fog?
A. Moist, stable air being moved over gradually rising ground by a wind
B. A clear sky, little or no wind, and high relative humidity.
C. Moist air moves over colder ground or water.
B X
500.What is a feature of air movement in a high pressure area?
A. Ascending from the surface high to lower pressure at higher altitudes.
B. Descending to the surface and then outward.
C. Moving outward from the center at high altitudes and into the center at the surface.
B X
501. If an engine failure occurs at an altitude above single-engine ceiling, what airspeed should be
maintained?
A.VMC
B.VYSE
C.VXSE
B X
502. At what Mach range does de subsonic flight range normally occur?
A.Below.75 Mach
B.From.75 to 1.20 Mach
C.From.1.20 to 2.5 Mach
A X
503. The air carrier must give instruction on such subjects as respiration, hypoxia, and decompression to
crewmember serving on pressurized airplanes operated above
A. FL 180.
B. FL 200.
C. FL 250.
C X
504.What is the expected duration of an individual microburst?
A. two minutes with maximum winds lasting approximately 1 minute.
B. One microburst may continue for as long as 2to 4 hours.
C. seldom longer than 15 minutes from the time the burst strikes the ground until dissipation.
C X
505.Which of the following cases provides impulse force for forming heat thunderstorm?
A.Water vapor coagulating and then releasing latent heat
B. Rising terrain
C. Uneven heat on the ground
C X
506.What are basic conditions to form a thunderstorm?
A. an unstable lapse rate and terrain lifting force
B. an unstable lapse rate, an initial lifting force, and sufficient water vapor.
　
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