在北半球,飞机穿越低压槽飞行时,风向
A. 风向不变
B. 由右侧风变为左侧风
C. 由左侧风变为右侧风
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航路飞行中,飞行高度表的气压基准面是
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防滞系统预位后,什么时候开始工作?Provided the anti-skid System is armed when does it become operational?
A. 一旦出现35节机轮转动信号或机轮承重信号在5秒延迟后显示。Once a 35 knot wheel spin-up signal is present or a WOW signal after a 5 second delay.
B. 接地时。 At touchdown.
C. 一旦机轮承重信号在15秒延迟后显示。 Once a WOW signal is present after a 15 second delay.
D. 一旦出现25节机轮转动信号。Once a 25 knot wheel spin-up signal is present.
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横滚脱开允许飞行机组成员将______驾驶盘和相关钢索系统与______副翼系统隔离开。 Roll disconnect allows the flight crew to isolate the _____ control wheel and associated cable system from the ______ aileron system.
A. 左侧, 右侧 left, right
B. 左侧, 左侧 left, left
C. 右侧, 右侧 right, right
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下面哪种情况最容易出现冻雨
A. 雨水从气温高于 0℃处落向气温为 0℃或小于 0℃处
B. 雨水从气温等于或小于 32°F处落向气温高于 32°F处
C. 温度为 0℃或 0℃以下的过冷却雨水掉向气温高于 0℃的空气处
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(METAR ZSSS 0300Z VRB02MPS 2500 BR BKN050 M04/M08 Q1012 BECMG FM0430 36005MPS 5000 =)
在ZSSS 站,世界时0500 时的能见度是
A. 2500 米
B. 5000 米;
C. 3600 米
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中高纬度地区上空的对流层顶,其高度随季节的变化是
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以下关于绕机检查描述正确的是( )About walkaround check, which are the correct descriptions?
A. 应特别注意飞机部件,排气口,面板,飞机蒙皮和地面临
近区域有无液体泄漏痕迹
Pay particular attention to any evidence of fluid leaks from
components, drains, panels, aircraft skin and ground vicinity;
B. 确保飞行操作面无障碍物且无冰,雪或霜
Flight control surfaces are unobstructed and free of ice,
snow or frost
C. 检查雷达罩区,机身,机翼,发动机短舱,吊架和尾翼上的蒙皮状况(明显损坏);Condition of skin (visible damage) on radome section,
fuselage, wings, nacelles, pylons, and empennage;
D. 轮胎状况良好且压力正常;Tire condition and pressure are normal;
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雷达天线罩关闭时,气象雷达危险区距天线()With radome closed, the weather radar hazard area is()from the antenna
A. 60 m.
B. 6 m
C. 0.6 m
D. 0.06 m
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APU BATT OFF警戒信息 (琥珀色)含义是?
A. APU 发电机
B. APU 电瓶关断
C. APU 超转
D. APU 失效
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