ATPL网上题库4飞行原理(共80页)

精选优质文档-倾情为你奉上4，飞行原理(1)How can the stability of the atmosphere be determined?正确答案：A (2)_ prevents air flowing directly from the high pressure area to low pressure area when air moves in a level direction.正确答案：C (3)One purpose of high-lift devices is to正确答案：B (4)The primary purpose of high-lift devices is to increase the正确答案：B (5)Airflow separation over the wing can be delayed by using vortex generators正确答案：C (6)Describe dynamic longitudinal stability.正确答案：B (7)Identify the type stability if the aircraft attitude remains in new position after the controls have been neutralized.正确答案：C (8)Identify the type stability if the aircraft attitude tends to move farther from its original position after the controls have been neutralized. 正确答案：A (9)Identify the type stability if the aircraft attitude tends to return to its original after the controls have been neutralized. 正确答案：B (10)What is a characteristic of longitudinal instability?正确答案：A (11)If the airplane attitude remains in a new position after the elevator control is pressed forward and released, the airplane displays 正确答案：A (12)Which is true regarding the forces acting on an aircraft in a steady-state descent?正确答案：C (13)What performance is characteristic of flight at maximum L/D in a propeller-driven airplane? 正确答案：A (14)What is the effect on total drag of an aircraft if the airspeed decreases in level flight below that speed for maximum L/D? 正确答案：A (15)What is the relationship between induced and parasite drag when the gross weight is increased?正确答案：B (16)What true airspeed and angle of attack should be used to generate the same amount of lift as altitude is increased? 正确答案：B (17)What will be the ratio between airspeed and lift if the angle of attack and other factors remain constant and airspeed is doubled? Lift will be 正确答案：C (18)Why is it necessary to increase back elevator pressure to maintain altitude during a turn? To compensate for the 正确答案：A (19)At which speed will increasing the pitch attitude cause an airplane to climb? 正确答案：B (20)If no corrective action is taken by the pilot as angle of bank is increased, how is the vertical component of lift and sink rate affected? 正确答案：C (21)If severe turbulence is encountered, which procedure is recommended?正确答案：B 【解析】遇到剧烈颠簸，如雷暴中如试图保持某一高度几乎是不可能的，而且这样做会增加机体的压力。这时应允许飞机随气流升降并保持飞机的姿态，这样机体承受的压力将是最小的。(22)How can an airplane produce the same lift in ground effect as when out of ground effect?正确答案：B (23)What is a purpose of flight spoilers?正确答案：B (24)For which purpose may flight spoilers be used? 正确答案：A (25)Which is a purpose of ground spoilers 正确答案：A (26)What is the purpose of a control tab?正确答案：A (27)Which is a purpose of wing-mounted vortex generators? 正确答案：A (28)What is the purpose of a servo tab？ 正确答案：B (29)What is the purpose of an elevator trim tab? 正确答案：C (30)Which direction from the primary control surface does a servo tab move? 正确答案：B (31)Which direction from the primary control surface does an anti-servo tab move?正确答案：A (32)Which direction from the primary control surface does an elevator adjustable trim tab move when the control surface is moved? 正确答案：C (33)What is the reason for variations in geometric pitch along a propeller or rotor blade?正确答案：A (34)Which flight conditions of a large jet airplane create the most severe flight hazard by generating wingtip vortices of the greatest strength? 正确答案：A (35)Wingtip vortices created by large aircraft tend to正确答案：A (36)Which statement is true concerning the wake turbulence produced by a large transport aircraft?正确答案：B (37)If you take off behind a heavy jet that has just landed, you should plan to lift off正确答案：B (38)How does the wake turbulence vortex circulate around each wingtip?正确答案：C (39)Hazardous vortex turbulence that might be encountered behind large aircraft is created only when that aircraft is 正确答案：A (40)It is the responsibility of the pilot and crew to report a near midair collision as a result of proximity of at least正确答案：A (41)To allow pilots of in-trail lighter aircraft make flight path adjustments to avoid wake turbulence, pilots of heavy and large jet aircraft should fly正确答案：C (42)How can the pilot increase the rate of turn and decrease the radius at the same time? 正确答案：B 43)How can turbulent air cause an increase in stalling speed of an airfoil? 正确答案：A (44)What is the relationship of the rate of turn with the radius of turn with a constant angle of bank but increasing airspeed? 正确答案：A (45)Which condition would INITIALLY cause the indicated airspeed and pitch to increase and sink rate to decrease? 正确答案：A (46)Which of the following is not the way of increasing MCRIT in jet transport designs? 正确答案：C (47)Within what Mach range does transonic flight regimes usually occur?正确答案：B (48)At what Mach range does the subsonic flight range normally occur? 正确答案：A (49)What is the free stream mach number which produce first of local sonic flow? 正确答案：C (50)What is the highest speed possible without supersonic flow over the wing? 正确答案：A (51)Which maximum range factor decrease as weight decrease? 正确答案：A (52)Which maximum range factor increases as weight decreases? 正确答案：B (53)What should a pilot do to maintain best range airplane performance when a headwind is encountered? 正确答案：A (54)What should a pilot do to maintain best range airplane performance when a tailwind is encountered? 正确答案：C (55)Which procedure produces the minimum fuel consumption for a given leg of the cruise flight? 正确答案：C (56)At what speed, with reference to L/DMAX, does maximum range for a jet airplane occur?正确答案：C (57)Maximum range performance of a turbojet aircraft is obtained by which procedure as aircraft weight reduces? 正确答案：B (58)Under what condition should stalls never be practiced in a twin-engine airplane? 正确答案：A (59)V2 or initial climb speed must not be 正确答案：B (60)V2 or rotation speed must not be 正确答案：A (61)At what speed will dynamic hydroplaning begin if tire has pressure 70?正确答案：A (62)As large jet transport aircraft climbs above FL340 as fuel burns off, the IAS turbulence penetration speed will 正确答案：B (63)In relation to take off performance V1 is the speed by which 正确答案：A (64)When setting the altimeter, pilot should disregard 正确答案：B (65)In en route flight, the altimeter setting is 正确答案：A (66)What effect, if any, does altitude have on VMC for an airplane with unsupercharged engines?正确答案：A (67)If the ambient temperature is colder than standard at FL310, what is the relationship between true altitude and pressure altitude?正确答案：B (68)What affects indicated stall speed? 正确答案：A (69)What is movement of the center pressure when the wingtips of a sweptwing airplane are shock-stalled first?正确答案：B (70)What is one disadvantage of a sweptwing design?正确答案：B (71)What is the condition known as when gusts cause a sweptwing-type airplane to roll in one direction while yawing in the other? 正确答案：C (72)What is the principal advantage of a sweepback design wing over a straightwing design?正确答案：A (74)Which of the following are considered primary flight controls?正确答案：C (75)Which of the following is considered a primary flight control?正确答案：B (76)Which of the following is considered an auxiliary flight control?正确答案：B (77)When are outboard ailerons normally used?正确答案：A (78)When are inboard ailerons normally used?正确答案：C (79)By changing the angle of attack of a wing, the pilot can control the airplanes 正确答案：B 80)Why do some airplanes equipped with inboard/outboard ailerons use the outboards for slow flight only? 正确答案：B (81)What is the primary function of the leading edge flaps in landing configuration during the flare before touchdown? 正确答案：A (82)Which is a purpose of leading-edge slats on high-performance wings? 正确答案：C (83)What effect does the leading edge slot in the wing have on performance?正确答案：B (84)What does the blue radial line on the airspeed indicator of a light, twin-engine airplane represent?正确答案：A (85)During an en route descent in a fixed-thrust and fixed-pitch attitude configuration, both the ram air input and drain hole of the pitot system become completely blocked by ice. What airspeed indication can be expected?正确答案：B (86)What can a pilot expect if the pitot system ram air input and drain hole are blocked by ice?正确答案：A (87)If both the ram air input and drain hole of the pitot system are blocked by ice, what airspeed indication can be expected?正确答案：A (88)How will the airspeed indicator react if the ram air input to the pitot head is blocked by ice, but the drain hole and static port are not? 正确答案：A (89)Which is a purpose of the leading-edge flaps？正确答案：A (90)The Krueger flap extends from the leading edge of the wing, increasing its 正确答案：B (91)The use of a higher flap setting for takeoff will 正确答案：C (92)Why must the angle of attack be increased during a turn to maintain altitude? 正确答案：A (93)To avoid the wingtip vortices of a departing jet airplane during takeoff, the pilot should正确答案：B (94)What effect would a light crosswind have on the wingtip vortices generated by a large airplane that has just taken off? 正确答案：A (95)What flight condition should be expected when an aircraft leaves ground effect? 正确答案：A (96)A definition of the term viscous hydroplaning is where 正确答案：B (97)What is the best method of speed reduction if hydroplaning is experienced on landing? 正确答案：C (98)Which term describes the hydroplaning which occurs when an airplanes tire is effectively held off a smooth runway surface by steam generated by friction? 正确答案：A (99)At what minimum speed (rounded off) could dynamic hydroplaning occur on main tires having a pressure of 100 PSI? 正确答案：A (100)At what minimum speed (rounded off) could dynamic hydroplaning occur on main tires having a pressure of 110 PSI? 正确答案：B (101)At what minimum speed (rounded off) could dynamic hydroplaning occur on main tires having a pressure of 121 PSI? 确答案：B (102)At what minimum speed will dynamic hydroplaning begin if a tire has an air pressure of 70 PSI?正确答案：A (103)Compared to dynamic hydroplaning, at what speed does viscous hydroplaning occur when landing on a smooth, wet runway? 正确答案：B (104)What effect, if any, will landing at a higher-than-recommended touchdown speed have on hydroplaning?正确答案：A (105)Test data indicate that ice, snow, or frost having a thickness and roughness similar to medium or coarse sandpaper on the leading edge and upper surface of a wing can正确答案：C (106)The adverse effects of ice, snow, or frost on aircraft performance and flight characteristics include decreased lift and 正确答案：B (107)What should the deice/anti-ice fluid temperature be during the last step of a two-phase process?正确答案：C (108)Which procedure increases holding time when deicing/anti-icing an airplane using a two-step process? 正确答案：A (109)Which of the following will decrease the holding time during anti-icing using a two-step process?正确答案：A (110)Which is a disadvantage of the one-step over the two-step process when deicing/anti-icing an airplane? 正确答案：C (111)Snow on top of deicing or anti-icing fluids正确答案：B 112)Freezing Point Depressant (FPD) fluids used for deicing 正确答案：B (113)Anti-icing fluid should provide freezing point protection to 正确答案：C (114)The purpose of dilating ethylene glycol deicing fluid with water in non-precipitation condition is to 正确答案：C (115)What is the minimum glycol content of Type 1 deicing/anti-icing fluid? 正确答案：C (116)What is the minimum glycol content of type 2 deicing anti-icing fluid? 正确答案：B (117)Freezing Point Depressant (FPD) fluids are highly soluble in water; however, 正确答案：C (118)Freezing Point Depressant (FPD) fluid residue on engine fan or compressor blades 正确答案：C (119)Which is an effect of ice, snow, or frost formation on an airplane? 正确答案：A (120)Which is an effect of ice, snow, or frost formation on an airplane? 正确答案：A (121)Baffle plates in wing fuel cells prevent 正确答案：C (122)Engine bleed air is supplied to the air gap above the fuel in the tanks primarily to 正确答案：C (123)Minimum specific fuel consumption of the turboprop engine is normally available in which altitude range? 正确答案：B (124)ESHP (Equivalent shaft horsepower) of a turboprop engine is a measure of 正确答案：B (125)What does the term of Equivalent shaft horsepower (ESHP) of a turboprop engine describe? 正确答案：A (126)What criteria determines which engine is the critical engine of a twin-engine airplane?正确答案：A (127)Where is the critical altitude of a supercharged-reciprocating engine? 正确答案：B (128)What is the definition of the critical altitude of a supercharged-reciprocating engine? 正确答案：B (129)The most important restriction to the operation of turbojet or turboprop engines is 正确答案：B (130)The most important restriction to the operation of turbojet or turboprop engines is正确答案：B (131)What does the throttle opening of a turbo-charged-reciprocating engine control? 正确答案：C (132)What effect would a change in air density have on gas-turbine-engine performance? 正确答案：B (133)What effect will an increase in altitude have upon the available equivalent shaft horsepower (ESHP) of a turboprop engine? 正确答案：A (134)What effect would a change in ambient temperature have on gas-turbine-engine performance? 正确答案：A (135)What effect would a change in ambient temperature or air density have on gas-turbine-engine performance? 正确答案：C (136)What is the resulting performance loss when one engine on a twin-engine airplane fails?正确答案：A (137)What effect would a change in altitude have on the thrust output of gas-turbine-engine? 正确答案：A (138)What effect, if any, does high ambient temperature have upon the thrust output of a turbine engine? 正确答案：A (139)As outside air pressure decreases, thrust output will正确答案：C (140)Which parameter is used to measure the power output of a reciprocating engine? 正确答案：C (141)What is controlled by the waste gate of a turbocharged-reciprocating engine? 正确答案：C (142)What characterizes a transient compressor stall? 正确答案：C (143)What indicates that a compressor stall has developed and become steady? 正确答案：A (144)What recovery would be appropriate in the event of compressor stall? 正确答案：A (145)Which type of compressor stall has the greatest potential for severe engine damage? 正确答案：C (146)Under normal operating conditions, which combination of MAP and RPM most likely lead to detonation in high performance reciprocating engines? 正确答案：B (147)Which place in the turbojet engine is subjected to the highest temperature?正确答案：C (148)“FAIL OPERATIONAL” means fault, roll the autopilots, will disengage if a fault is tested in one of them leaving the aircraft in a passive state of trim.正确答案：A (149)Which statement below is incorrect regarding the auto throttle? 正确答案：C (150)Which airplanes are required to be equipped with a ground proximity warning glide slope deviation alerting system? 正确答案：A (151)In which airplanes is a ground proximity warning system required?正确答案：C (152)When a ground proximity warning system is required, it must正确答案：C (153)For the purpose of testing the flight recorder system.正确答案：B (154)A cockpit voice recorder must be operated 正确答案：A (155)An approved cockpit voice recorder is required equipment in正确答案：C (156)Information recorded during normal operations by a required cockpit voice recorder正确答案：C (157)Which rule applies to the use of the cockpit voice recorder erasure feature? 正确答案：B (158)How long is cockpit voice recorder and flight recorder data kept, in the event of accident or occurrence resulting in terminating the flight? 正确答案：A (159)Information obtained from flight data and cockpit voice recorders shall be used only for determining正确答案：C (160)Information recorded during normal operation of a cockpit voice recorder in a large pressurized airplane with four reciprocating engines 正确答案：A (161)Information recorded during normal operation of a cockpit voice recorder in a multiengine turbine-powered airplane正确答案：C (162)Which aircraft must be equipped with an approved public address and crewmember interphone system?正确答案：B (163)In which aircraft, or under what conditions, is airborne thunderstorm detection equipment required?正确答案：B (164)The point of intersection of the longitudinal axis, lateral axis and vertical axis is正确答案：B (165)The hydraulic oil is reserved in正确答案：B (166)The frost on the surface of the wings will正确答案：A (167)The definition of Work is正确答案：C (168)The backwards, downwards flaps are正确答案：B 【解析】富勒襟翼在放下时，不仅向下偏，而且沿着轨道向后滑出，这样可以增加迎角、机翼弧度和机翼面积，可以在阻力不明显增加的情况下，增加一个附加的机翼升力。(169)Which flaps can increase wing area?正确答案：B 【解析】简单襟翼是机翼后缘的一部分，用枢轴与机翼相连，襟翼可以向下转动，改变翼弦线、迎角和机翼弧度；富勒襟翼在放下时，不仅向下偏，而且沿着轨道向后滑出，这样可以增加迎角、机翼弧度和机翼面积；开裂襟翼连接在机翼下表面，是机翼的一部分，放下时通过改变翼弦线来增加迎角。(170)When Fowler aps are extended, the aircraft has a tendency of正确答案：B (171)A rheostat is正确答案：B (172)Micro switch is an assembly正确答案：A (173)A relay is正确答案：B (174)When recovering from a spin the pilot should first