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C. The one designated by the manufacturer, which develops most
usable thrust.
A
29.When the gross weight is increased
A. Induced drag increases more than parasite drag
B. Both parasite and induced drag are equally increased
C. Parasite drag increases more than induced drag
(A)
30.Which type jet stream can be expected to cause the greater
turbulence
A.A jet stream associated whither wide isotherm spacing
B.A straight jet stream associated with a high-pressure ridge
C.A curring jet stream associated with a deep low pressure
through
(C)
31 Why are downdrafts in a mature thunderstorm hazardous?
A. Downdrafts become warmer than the surrounding air and
reverse
B. Downdrafts are kept cool by rain, which tends to accelerate
the downward velocity
C. Downdrafts converge toward a central location under the
storm after striking the surface
(B)
32.What type weather changes is to be expected in an area where
frontolysis is reported?
A. The frontal weather becoming stronger
B. The front is moving at a fuster speed
C. The front is dissipating
(C)
33.When saturated air moves downhill, it’s temperature
increases
A. At a faster rate than dry air because of the release of latent
heat
B. At a slower rate than dry air because condersation release
heat
C. At a slower rate than dry air because vaporization uses heat
(C)
34.What procedure is recommended for an engine-out approach
and landing?
A. The altitude and airspeed should be consider higher than
normal throughout the app
B. The flight path and procedures should be almost identical
to a normal app and landing
C.A normal approach except do not extend the landing gear or
flaps until over the runway threshowd
(B)
35.What effect if any will landing at a
higher-than-recommended touchdown speed have on hydroplaning
A. increase hydroplaning potential regard less of braking
B. no effect on hydroplaning,but increase landing roll
C. reduce hydroplaning potential if having braking is applied
(A)
36.A microburst is a very narrow downdraft of very high speed
wind with vertical speed up to (6000 feet per minute)
37.How should a pilot describle break action?
A. 00 percent ,50 percent,75 or 100 percent
B. zero-zero fifty-fifty or normal
C. poor medium or good
(C)
38.Assuming that all ILS components are operating and the
required visual references are not required, the missed
approach should be initiated up on
A. Arrival at the visual descent point
B. Expiration of the time listed on the approach chart for
missed approach
C. Arrival at the DH on glide slope
(C)
39.When does ATC issue a STAR?
A. only when ATC deems it appropriate
B. only upon request of the pilot
C. only to high priority flights
(A)
40.Which atmospheric factor causes rapid movement of surface
fronts?
A. upper low located directly ocer the surface low
B. upper winds blowing accross the front
C. The cold front overtaking and lifting the warm front
（B）
41.Which condition are necessary for the formation of slope
fog?
A.A clear sky calm 100%相對(duì)濕度
B.層云下雨and a 10-25-knot wind moving the precipitation up
the slope
C. Moist stable air being moved over gradually rising ground
by a wind
(C)
42.frost most likely form on aircraft surface
A. on overcast nights with freezing drizzle precipitation
B. on clear nights with stable air and calm
c.晴朗夜空，有對(duì)流運(yùn)動(dòng)，小的露點(diǎn)溫度差
(B)
43.Which weather condition is present when the tropical storm
is upgraded to a hurricane or typhoon
A. Highest windspeed 100 knots or more
B. A clear area or hurricane eye has formed
C. Sustained winds of 65 knots or more
(C)
44.Which primary source contains information regarding the
expected weather at the destination airport at the EAT?
A. Radar Summary and weather Depiction charts
B. low-level prog chart
C. Terminal Aerodrome forecast
(C)
45.Isobars on a surface weather chart represent line of equal
pressure
A. at agiven atmospheric pressure
B. at the surface
C. reduce to sea level
(C)
46.What effect if any does altitude have on Vmc for an 不增
壓發(fā)動(dòng)機(jī)飛機(jī)？
A. Decrease with altitude Increase
B. None
C. Increase with altitude
(A)
3.What condition is necessary for the formation of structural
icing in flight?
# visible water
4.Which conditions result in the formation of frost?
# Temperature of the collecting surface is below the dew-point
and the dew-point is also below freezing
　
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