【单选题】
正常情况下，可配平的水平安定面___
A. 由３个电动马达中的第一号马达驱动
B. 由３个电动马达一起驱动
C. 由２个电动马达中的第一号马达驱动
D. 由２个电动马达一起驱动
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答案
A
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相关试题
【单选题】
当ＰＲＩＭ１和ＰＲＩＭ２都失效时，升降舵和安定面由谁操纵___
A. 升降舵由ＰＲＩＭ３操纵，安定面由ＳＥＣ１操纵
B. 升降舵和安定面都由ＰＲＩＭ３操纵
C. 升降舵由ＳＥＣ１操纵，安定面由ＰＲＩＭ３操纵
【单选题】
在正常的方向舵电动控制中___
A. ＰＲＩＭ１控制蓝色液压传动，ＰＲＩＭ２控制绿色液压传动，ＰＲＩＭ３控制黄色液压传动
B. ＰＲＩＭ１控制黄色液压传动，ＰＲＩＭ２控制绿色液压传动，ＰＲＩＭ３控制蓝色液压传动
C. ＰＲＩＭ１控制绿色液压传动，ＰＲＩＭ２控制蓝色液压传动，ＰＲＩＭ３控制黄色液压传动
D. ＰＲＩＭ１控制绿色液压传动，ＳＥＣ１控制蓝色和黄色液压传动
【单选题】
方向舵由三个独立的液压传动装置来作动___
A. 正常工作时，３个传动以并联的方式同时工作
B. 正常工作时，３个传动以串联的方式同时工作
C. 正常工作时，１个传动装置工作，其余２个备分
D. 正常工作时，２个传动装置工作，其余１个备分
【单选题】
飞机以４５度坡度角转弯时，因超速触发了高速保护，当飞行员松开侧杆后，飞机的坡度角为___
A. 保持４５度坡度
B. 减小到３３度坡度并保持
C. 减小到２５度坡度并保持
D. 减小到０度坡度
【单选题】
空中左座机长按压接管按扭并保持时，右座副驾驶无意中推杆，此时___
A. 左右两侧侧杆优先权灯均亮绿色，右侧侧杆优先权灯亮红色箭头
B. 左侧侧杆优先权灯亮绿色，右侧侧杆优先权灯亮红色箭头
C. 左侧侧杆优先权灯亮红色箭头，右左侧侧杆优先权灯亮绿色
【单选题】
当空速超过ＶＦＥ＋2.5Kts时，襟翼减载系统（ＦＬＲＳ）自动收回襟翼到与下一手柄位置想对应的偏转角度。该系统在哪些形态下工作___
A. 在形态１＋Ｆ，２，３和全形态时工作
B. 在形态，２，３和全形态时工作
C. 在形态３和全形态时工作
D. 仅在全形态时工作
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【单选题】
An aircraft known or believed to be in a state of emergency should be given______over other aircraft.___
A. way
B. flight plan
C. instruction
D. priority
【单选题】
管制话筒正确使用方法是：___
A. PTT发射键还没有完全按下时就开始发指令
B. 指令还没有结束就松开PTT发射键
C. 按PTT发射键与发话同时进行，松开PTT发射键与发话同时进行
D. 先按下话筒PTT发射键，然后再开始对空发话，发话完毕后再松开话筒PTT发射键
【单选题】
Traffic information should include_________
A. direction of aircraft concerned
B. weather
C. speed of aircraft
D. heading of aircraft
【单选题】
The altimeter setting used in en-route flight should be______hpa___
A. 1019
B. 1013
C. 2992
D. 1000
【单选题】
Larger separations than the specified minima should be applied whenever in.___
A. turbulence
B. bad weather
C. a raining day
D. highlevel
【单选题】
_______is air traffic control service for controlled flights in control areas___
A. Route service
B. En-route fly service
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【单选题】
_______ is a service provided to notify appropriate organizations regarding aircraft in need of search and rescue aid, and assist such organizations as required.___
A. alerting service
B. information service
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D. assistance service
【单选题】
Visibility is the ability as determined by atmospheric conditions and expressed in unit______.___
A. meters
B. feet
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【单选题】
SIGMET is a weather advisory issued concerning weather______to the safety of all aircraft.___
A. significant
B. changeable
C. information
D. condition
【单选题】
Flight level is a______of constant atmospheric pressure which is related to a specific pressure datum 1013.2hpa.___
A. standard
B. surface
C. height
D. number
【单选题】
Air traffic means all aircraft in flight or operating on the______of an aerodrome.___
A. highway
B. hanger
C. maneuvering area
D. terminal
【单选题】
The true airspeed is the airspeed of an aircraft relative to______air.___
A. turbulence
B. smooth
C. undisturbed
D. the
【单选题】
Air speed is the speed of an aircraft relative to its surrounding______.___
A. traffic
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【单选题】
“Aircraft” means any machine that can derive support in the______from there actions of the air other than there actions of the air against the earth's surface.___
A. atmosphere
B. water
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【单选题】
If the radar receiver detects the retarding time tR＝500mS between transmitting pulse and receiving pulse,now the target is______km from the radar station.___
A. 150
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【单选题】
“Advise______”means“ Tell me what you plan to do”.___
A. wanting
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D. command
【单选题】
The recommendation is advisory in nature.The decision as to whether the flight can be conducted safely rests solely with the______.___
A. controller
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【单选题】
“There are broken______along the entire route between niner and one one thousand feet at the present time.”___
A. radial
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【单选题】
Th evertical speed in dicator measures______of climb or descent.___
A. time
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【单选题】
A magnetic compass is the______air navigation instrument.___
A. basic
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In the AFTN,the flight plan filing time shall consist of a______data-time group.___
A. four-digit
B. five-digit
C. six-digit
D. eight-digit
【单选题】
“______”is a notice containing information concerning the establishment,condition or change in any aeronautical facility service procedure or hazard,the timely knowledge of which is essential to personnel concerned with flight operations.___
A. AIP
B. SIGMT
C. NOTAM
D. AMP
【单选题】
“______”means visibility,cloud and present weather better than prescribed values or conditions.___
A. Weather clear
B. RVRQK
C. CAVOK
D. VisibilityOK
【单选题】
“______”is the height above the ground or water of the base of the lowest layer of cloud below 6000m covering more than half sky.___
A. roof
B. VFR Top
C. VMC
D. Ceiling
【单选题】
管制员在对空指挥过程中，应当主动地控制一句管制指令中所包含的管制指令的内容。一般情况下，管制员发布的一句管制指令中，包含的管制内容不应当超过___项
A. 1
B. 2
C. 3
D. 4
【单选题】
当观察到两个或多个雷达位置指示符相近，或观察到在同时作相似的移动以及遇到其它引起对目标怀疑的情况时，管制员应当___。
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B. ：向移交方了解是否是航空器的原因
C. ：应当采用两种以上识别方法进行识别直至确认为止
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【单选题】
“AIP”is“”___
A. Air Information Publication
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【单选题】
An air show may with the consent of the______be the reason for an aerodrome being closed to all traffic for a few hours.___
A. Control tower
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【单选题】
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A. The first officer
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“APU”is______.___
A. a ground power facility
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【单选题】
The magnetic compass indicates the______in which an aircraft is flying with respect to the magnetic north pole.___
A. level
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【单选题】
VHF communication frequency is_________
A. 100MHZ～350MHZ
B. 10MHZ～136.97MHZ
C. 30MHZ～300MHZ
D. 2MHZ～29.9999MHZ
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The rmalth under storm is caused by_________
A. heating imbalance of the earth’s surface
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C. the up lifting effect of the terrain
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【单选题】
Which is not included in a Flight Plan.___
A. Aircraft identification
B. Names of the crew members
C. Type of aircraft
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【单选题】
________is the number assigned to a particular multiple pulse reply signal transmitted by a transponder.___
A. SSRsignal
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________is the ratio of true air speed to the speed of sound.___
A. Mach number
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_______is a specified area within or over which there may exist activities constituting a potential danger to aircraft___
A. Active area
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