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C.Maintain constant airspeed and altitude.
B X
535..When flying over the nimbostratus clouds, the pilot finds that there are up towering clouds on the thick layer.
Top of the towering clouds extends to 9000 meters high and are blown to one side by the strong wind like horse's
mane.
A.(1/2 誘��?Based on this situation, he predicts that there must be__in the sheet clouds.) cumulonimbus clouds
B. altocumulus clouds
C. false cirrus clouds
A X
536..Airplanes may encounter heavy turbulence in
A. Cumulonimbus and towering cumulus
B. Stratocumulus and altocumulus
C. Altocumulus and cumulonimbus
A X
537..What is the highest speed possible without supersonic flow over the wing?
A.Initial buffet speed.
B.Critical Mach number.
C.Transonic index.
B X
538..When an air carrier flight is operated under IFR or over-the-top on "victor airways," which navigation
equipment is required to be installed in duplicate?
A.VOR
B.ADF
C.VOR and DME
A X
539..[Refer to Figure 4-28.] What is the ground roll when landing with 5o of flaps at a landing weight of 107,500
pounds?
A.1,750 feet.
B.2,000 feet.
C.2,350 feet.
B X
540..What effect does landing at high elevation airports have on ground speed with comparable conditions relative
to temperature, wind, and airplane weight?
A.Higher than at low elevation.
B.Lower than at low elevation.
C.The same as at low elevation.
A X
541..In flight ,as the time goes on , the CG will
A.change
B.not change
C.may change or may not change
A X
542..What is the purpose of the danger airspace?
A.To warn nonparticipating aircrafts of the potential danger.
B.To prohibit nonparticipating aircrafts of entry.
C.To protect military activities.
A X
543..(Refer to Figure 2-13) What is the runway distance remaining at "C" for a nighttime takeoff on runway 9?
A.1,000 feet
B.1,500 feet
C.1,800 feet.
A X
*544..The component of blood which is most directly involved in the transport of oxygen throughout the body is
A.the red blood cells
B.the plasma
C.hemoglobin
C X
545..What is the time interval for filing flight plan?
A.At least one hour prior to the departure time.
B.At least 30 minutes prior to the departure time.
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C.At least one hour and a half prior to the departure time.
C X
546..The abbreviated plain language " WSWRNG " expressing
A.Wind shear warning
B. Aerodrome warning
C. Hazardous weather warning
A X
547..Why is it necessary to increase back elevator pressure to maintain altitude during a turn? To compensate for
the
A.loss of the vertical component of lift
B.loss of the horizontal component of lift and the increase in centrifugal force
C.rudder deflection and slight opposite aileron throughout the turn
A X
548..A definition of the term "viscous hydroplaning" is where
A.the airplane rides on standing water.
B.a film of moisture covers the painted or rubber-coated portion of the runway.
C.the tires of the airplane are actually riding on a mixture of steam and melted rubber.
B X
549..Which of the following phraseology is suitable for a pilot reporting a braking action to ATC?
A. braking action is "fair"
B. braking action is "zero"
C. braking action is "100%"
A X
550..(According to Figure 1) How much is the vertical visibility at Chengdu (ZUUU)
A. 50 metres
B. 500 metres
C. 150 metres
C X
551..[Refer to Figure 4-28.] What is the ground roll when landing with 15o of flaps at a landing weight of 122,000
pounds?
A.1,750 feet.
B.2,200 feet.
C.2,750 feet.
A X
552..[Refer to Figure 4-30.] What thrust is required to maintain level flight at 110,000 pounds, with gear down,
flaps 40o, and an airspeed of 118 knots?
A.17,000 pounds.
B.20,800 pounds.
C.22,300 pounds.
B X
553..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
554..If a pilot is being radar vectored in IFR conditions and loses radio communications with ATC, what action
should be taken?
A. Fly directly to the next point shown on the IFR flight plan and continue the flight.
B. Squawk 7700 and climb to VFR on Top.
C. Fly direct to a fix, route, or airway specified in the vector clearance.
C X
555..What is the purpose of an ATC instruction?
　
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