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1.Which weather condition is an example of a ponfrontal instablity band? A. radiation fog B. front gense C. squall line C. 3.The horizontal wind shear critical for turbulance per 150 miles is A. 18 knots or less B. greater than 18 knots C. not a factar B. 4.ⅢA 最低 A.DH 50 feet and RVR 350m B.RVR 300m RVR 200m C. 5.By changing the angle of attack of a wing the pilot could control. A. lift airspeed but not drag B. lift gross weight and drag C. lift airspeed and drag C. 6.Which of following is considered an auxiliary flight control? A. Leading-edge flaps B. Vpper sudder C. Ruddenator A. 8.What effect does the leading edge slot in the wing have on performance? A. Reduce profilw drag B. decelerates the supper surface boundary lager air C. changes the stalling angle of attack of a higher angle (C) 9.ESHP of a turboprop engine is a measure of A. Turbine inlet temperature B. Shaft horsepower and jet thrust C. Propeller thrust only B 10.收到cleared for approach (radar vector) A. Descend to the initial approach fix altitude B. Remain at last assigned altitude C. Descend to minimum vector altitude B 11.Where is a common location for an inversion? A. Tropopause B. Stratosphere C. Base of cumulus clouds (B) 11.What is the reason for variations is geometric pitch along a propeller or rotor blade? A. It prevents the portion of the blade near the Huber root from stalling during cruising flight B. It permits a relatively constant angle of incidence along its length when in cruising flight C. It permits a relatively constant angle of attack along its length when in cruising flight (C) 12.Which feature is associated with the tropopause? A. Absobite upper limit of could formation B. Absence of wind and turbulence C. Abrupt charge of and lapse rate (C) 13.Which maximum range factor decrease as weigh decrease? A.Speed B. Angle of attack C.Altitude A 14.Which speed symbol indicates the max operating limit speed for an airplane? A.VMO/MMO B.VLO/MLO C.VLE (A) 15.What takeoff minimums are not prescribed for a civil airport? What’s the take off min under IFR for 3 engines? A.1600m B.800m C.300ft-800m B. 16.Upon which factor does wing loading during a level coordinated turn in smooth air depend? A. Angle of bank B. Turn airspeed C. Rate of turn (A) 17.What is a characteristic of longitudinal instability? A. Pitch oscillations becoming progressions greater B. Aircraft constantly tries to pitch down C. Bank oscillations becoming progressively greater (A) 18.Which of the following is considered a primary flight control? A. Elevator B. Dorsal fin C. Slats (A) 19.Which condition has the effect of reducing critical engine failure speed? A. High density altitude B. Slush on the runway or inoperative antiskid C. Low gross weight (B) 20.Airport not listed in a proscribed take-off weather and does not have the minimum take-of(121 部68 页) A.270m-1600m B.240m-3200m C.300m-800m B. 21.酒精作用 A.24 小时 B.12 小时 C.8 小时 C. 22.Which weather condition is defined as an anticyclone? A.COL B. Calm C. High pressure area C. 23.Which type frontal system is normally crossed by the Jet stream? A. Cold front and warm front B. Warm front C. Occluded front C. 24.Which arctic flying hazard is caused when a cloud layer of uniform thickness overlies a snow or ice covered surface A. Whiteout B. Blowing snow C. Ice fog A 25.When setting the altimeter, pilot should disregard A. Corrections for static pressure systems B. Effects of nonstandard atmospheric temperatures and pressures C. Corrections for instrument error (B) 26.Each pilot who deviates from an ATC clearance in response to ATCAS advisory is expected to A. Request ATC clearance for the deviation B. Notify ATC of the deviation as soon as practicable C. Maintain the course and altitude resulting from the deviation as ATC has radar contact (B) 28.What criteria determine which engine is the "critical" engine of a twin-engine airplane? A. The one with the center of thrust closest to the centerline of the fuselage. B. The one with the center of thrust farthest from the centerline of the fuselage. www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：181道前期真题
