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当飞机低速穿过温度为-20℃左右的云中时,常形成

A、 雾凇

B、 明冰;

C、 毛冰

答案:A

飞机试题CRJ900题库练习
判断正误True or False:APU 火警探测系统用于探测 APU 舱内的着火或过热情况。探测系统包含双热敏探测环路,该环路平行环绕于 APU 和前APU 防火墙上,在两个 APU 舱门上方。The APU fire detection system is used to detect fire or overheating in the APU cabin. The measurement system consists of a dual thermal detection loop that surrounds the APU and the front in parallel On the APU firewall, above the two APU hatches.
https://www.shititong.cn/cha-kan/shiti/00007381-7af2-976f-c073-9874ad40f400.html
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如果跑道中线灯不工作, Ⅰ 类精密进近着陆最低标准为跑道能见度或跑道视程多少米,对非精密进近的着陆最低标准无影响。If the runway center line lights do not work, the landing minimum for the Category I precision approach is that the runway visibility or RVR is( )meters, while the landing minimum for the non-precision approach is not effected.
https://www.shititong.cn/cha-kan/shiti/00007381-7ae7-8904-c073-9874ad40f400.html
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从云下目视绕飞雷雨只准在昼间,但飞机与云底的垂直距离不得少于( )米飞行真实高度;在平原丘陵地区不得低于300 米,在山区不得低于600 米。
https://www.shititong.cn/cha-kan/shiti/00007381-7aec-ccf5-c073-9874ad40f400.html
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对在商业运行中担任机长和副驾驶员的熟练期限为:
https://www.shititong.cn/cha-kan/shiti/00007381-7aed-eef8-c073-9874ad40f400.html
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TCAS决断基于飞行员大约( )秒内开始的RA机动。The TCAS decision is based on the RA maneuver that the pilot initiated within approximately ( ) seconds.
https://www.shititong.cn/cha-kan/shiti/00007381-7ae8-d771-c073-9874ad40f400.html
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环控系统的任务是:the task of the environmental control system is to:
https://www.shititong.cn/cha-kan/shiti/00007381-7af2-4d68-c073-9874ad40f400.html
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RAIM用于:RAIM is used to:
https://www.shititong.cn/cha-kan/shiti/00007381-7af4-eef3-c073-9874ad40f400.html
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左内侧多功能扰流板由液压系统()提供动力:The left inboard multi-function spoiler is powered by hydraulic systems:
https://www.shititong.cn/cha-kan/shiti/00007381-7af3-be0e-c073-9874ad40f400.html
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音频控制面板上的EMER/NORM按钮是用于:The audio control panel EMER/NORM switch is used to:
https://www.shititong.cn/cha-kan/shiti/00007381-7af3-905a-c073-9874ad40f400.html
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整体驱动发电机和APU发电机给飞机AC汇流条以优先顺序供电;给AC BUS 1供电的优先顺序是下列哪个:The Integrated Drive Generators and the APU Generator power the airplane AC busses by a priority system; the switching priority for AC Bus 1 is as follows:
https://www.shititong.cn/cha-kan/shiti/00007381-7af0-bec3-c073-9874ad40f400.html
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飞机试题CRJ900题库练习
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飞机试题CRJ900题库练习

当飞机低速穿过温度为-20℃左右的云中时,常形成

A、 雾凇

B、 明冰;

C、 毛冰

答案:A

飞机试题CRJ900题库练习
相关题目
判断正误True or False:APU 火警探测系统用于探测 APU 舱内的着火或过热情况。探测系统包含双热敏探测环路,该环路平行环绕于 APU 和前APU 防火墙上,在两个 APU 舱门上方。The APU fire detection system is used to detect fire or overheating in the APU cabin. The measurement system consists of a dual thermal detection loop that surrounds the APU and the front in parallel On the APU firewall, above the two APU hatches.
https://www.shititong.cn/cha-kan/shiti/00007381-7af2-976f-c073-9874ad40f400.html
点击查看答案
如果跑道中线灯不工作, Ⅰ 类精密进近着陆最低标准为跑道能见度或跑道视程多少米,对非精密进近的着陆最低标准无影响。If the runway center line lights do not work, the landing minimum for the Category I precision approach is that the runway visibility or RVR is( )meters, while the landing minimum for the non-precision approach is not effected.

A. 400

B. 600

C. 800

D. 1200

https://www.shititong.cn/cha-kan/shiti/00007381-7ae7-8904-c073-9874ad40f400.html
点击查看答案
从云下目视绕飞雷雨只准在昼间,但飞机与云底的垂直距离不得少于( )米飞行真实高度;在平原丘陵地区不得低于300 米,在山区不得低于600 米。

A. 300

B. 400

C. 500

https://www.shititong.cn/cha-kan/shiti/00007381-7aec-ccf5-c073-9874ad40f400.html
点击查看答案
对在商业运行中担任机长和副驾驶员的熟练期限为:

A. 前24 个日历月

B. 前12 个日历月

C. 前6 个日历月

https://www.shititong.cn/cha-kan/shiti/00007381-7aed-eef8-c073-9874ad40f400.html
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TCAS决断基于飞行员大约( )秒内开始的RA机动。The TCAS decision is based on the RA maneuver that the pilot initiated within approximately ( ) seconds.

A. 2

B. 5

C. 10

D. 15

https://www.shititong.cn/cha-kan/shiti/00007381-7ae8-d771-c073-9874ad40f400.html
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环控系统的任务是:the task of the environmental control system is to:

A. 提供人工增压控制 provide manual pressurization control

B. 提供一个可控温度的环境 produce a temperature controlled environment

C. 控制地面活门的开和关 control the opening and closing of the ground valve

D. 控制从机身排出的空调气流流量 control the rate of conditioned air outflow from the fuselage

https://www.shititong.cn/cha-kan/shiti/00007381-7af2-4d68-c073-9874ad40f400.html
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RAIM用于:RAIM is used to:

A. 确认性能数据库的修改 confirm performance database revision

B. 确保GPS方案满足所需的导航精确性 assure that the GPS solution meets the required navigation accuracy

C. 允许减少的水平空域间隔 permit reduced lateral airspace separation

D. 确认导航数据库是精确的 verify that the navigation database is accurate

https://www.shititong.cn/cha-kan/shiti/00007381-7af4-eef3-c073-9874ad40f400.html
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左内侧多功能扰流板由液压系统()提供动力:The left inboard multi-function spoiler is powered by hydraulic systems:

A. 1, 2&3

B. 1&2

C. 1&3

D. 2

https://www.shititong.cn/cha-kan/shiti/00007381-7af3-be0e-c073-9874ad40f400.html
点击查看答案
音频控制面板上的EMER/NORM按钮是用于:The audio control panel EMER/NORM switch is used to:

A. 使驾驶舱扩音器被禁用disable the operation of the flight compartment speaker

B. 发布一个应急音谐给乘务人员Annunciate an emergency tone to the flight attendants

C. 旁通ACP通过一个VHF无线电进行发送和接收Bypass the ACP for transmit and receive control of a VHF radio

D. 发送一个紧急信号给空管Send an emergency signal to air traffic control

https://www.shititong.cn/cha-kan/shiti/00007381-7af3-905a-c073-9874ad40f400.html
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整体驱动发电机和APU发电机给飞机AC汇流条以优先顺序供电;给AC BUS 1供电的优先顺序是下列哪个:The Integrated Drive Generators and the APU Generator power the airplane AC busses by a priority system; the switching priority for AC Bus 1 is as follows:

A. IDG2,IDG1, APU发电机,外接电源。IDG 2, IDG 1, APU generator, External Power

B. IDG2,APU发电机,IDG1,外接电源。IDG 2, APU generator, IDG 1, External Power

C. IDG1,APU发电机,IDG2,外接电源。IDG 1, APU generator, IDG 2, External Power

D. IDG1,IDG2,APU发电机,外接电源。IDG 1, IDG 2, APU generator, External Power

https://www.shititong.cn/cha-kan/shiti/00007381-7af0-bec3-c073-9874ad40f400.html
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