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5. A prognostic chart depicts the conditions?
#. forecast to exist at a specific time.
8.What is the safest and most effect takeoff and initial climb
2 engine plane
A. best engine out rate-of climb airspeed while on the ground
the lift off and climb at that V;
B. Vmc then lift off at that speed and climb at 最大
angle-of-climb-V;
C. V slight above VMC the lift and climb at the best
rate-of-climb-V.
（C）
9. How should 反推propellers be used during landing for
maximum effectiumess in stop.
A. Gradually increase reverse power to maximum as roll out
speed;
B. Select reverse-pitch after landing and lose idle power
setting of the engines;
C. Use maximum reverse power as soon as possible after
touchdown
C
10.反向怎么复飞?
.make a climb turn toward the landing runway…..;
11.What is the primary cause of all changes in the Earth’s
weather?
A. change in air pressure over Earth’s surface;
B. Variation of solar energy at surface;
C. Movement of air mass from moist areas to dry areas.
(B)
12 高空急流relatives to surface lows and fronts
A. 在lows and crosses both 暖锋和冷锋;
B. at north of the surface lows systems;
C. south of the low and 暖锋
(B)
13What term describes are elongated areas of lows pressure?
A. hurricane or typhoon;
B. Ridge;
C. Trough
(C)
15.What is the highest speed possible with out supersonic flow
over the wing?
A. critica mach No.;
B. initial suffer speed;
C. transonic index
A
16.Where is the critical altitude of a
supercharge-reciprocating engine?
A .the altitude at which maximum allowable BMEP can be
obtained;
B.the highest altitude at which a desired manifold pressure
can be obtained;
C.highest altitude where the mipfure can be leaned to best
power ratio;
B
17.Which statement is true concerning the wake turbulence
produced by a large transport aircraft.
A. wake turbulence behind a propeller driven aircraft is
negligible because jet engine thrust is a necessary factor in
the formation of vortices;
B. the vortex characteristic of any given aircraft may be
altered by extending the flaps or changing the speed;
C. vortices can be avoided by flying come be low an behind the
flight path of the generating aircraft
(B)
18. Embedded 雷暴
A. 雷暴are obscured by other type of clouds;
B. 雷暴are predicted to develop in a stable air mass;
C. 严重雷暴are embed a squall line.
A
21.If both the ram air input and drain hole of the pitot system
are blocked by ice what airspeed indication can be expected?
A. constant indicated airspeed during a descent;
B. no variation of indicated airspeed in level flight if large
power changes are made;
C. decrease of indicated airspeed during a climb
(B)
22.In addition to the localizer; glide slope; marker beacons;
approach lighting and HIRL, which ground components are
required to be operative for a category II instrument approach
to a DH below 150 feet ACL??
A. TDZL;RCLS and RVR;
B. RCLS and REIL;
C. Rader and RVR
(A)
23.How can a airplane produce the same lift in ground effect
as when out of ground effect?
A. a higher angle of attack;
B. A lower angle of attack;
C. The same angle of attack.
(B)
24.Under what condition should stalls never be practiced in
a twin-engine airplane?
A. with one engine inoperative;
B. with full flaps and gear extended;
C. with climb power on
（A）
26.What is the difference between a visual and a contact
approach?
A. a visual approach is initiated by ATC;while a contact
approach is initiated by the pilot
B. both are the same;
C. a visual approach is an IFR
A
27.What weather difference is found on each side of a “dry
line”?
A. extreme temperature difference.
B. strut versus cumulus clouds.
C. Dew-point difference
C
28Which area or areas of the northen hemisphere experance a
generally East to West movement of weather system?
A. subtropical only;
B. Arctic only;
C. Arctic and subtropical;
C
29.Which weather will experance at the altitude where the
dew-point lapse rate and dry Adiabatic rate meet?
A. precipitation starts;
B. cloud bases form;
C. stable air charge to unstable air;
B
30.In which meteorological condition can finite a low pressure
area from?
A. warm front or occlouded fronts;
B. slow-moving cold front or stationary fronts;
C. cold front;
B
31.Where is the usual location for an inversion?
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