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单选题 Which BEC type is recommended for reliability and efficiency
学科：默认课程
时间：2026-01-16 14:03:54
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题目1单选题
What are the two main vibration damping methods mentioned? 文中推荐的两种主要减振方法是A. 胶带粘贴法 & 磁铁吸附法B. O 型圈悬挂法 & Kyosho Zeal Gel 法C. 螺丝固定法 & 焊接法
题目2单选题
Why adjust cable direction before soldering ESC? 为什么要调整电缆方向再焊接 ESCA. 为了增加 ESC 的重量B. 为了让焊接更难C. 为了让后续机架组装更方便、贴合更紧密D. 为了减少焊接时间
题目3单选题
Which BEC type is recommended for reliability and efficiencyA. 开关式 BECB. 线性 BECC. 无 BECD. 自动调节 BEC
题目4单选题
If the board absorbs much heat during soldering, what should you do? 焊接电源分配板时,如果板吸热很多,你应该怎么做A. 确保烙铁足够热B. 用水冷却板C. 降低烙铁温度D. 暂停焊接等待冷却
题目5单选题
What is the good method to tighten motor and frame screws? 拧紧电机和框架螺钉的好方法是什么A. Tighten all screws at once without preparation 直接一次性拧紧B. Tighten all screws randomly 随意拧紧C. Install all screws loosely, then tighten each arm one by one 先松装再逐个拧紧
题目6单选题
What must be worn before assembling a quadcopter? 组装四轴飞行器前必须佩戴什么A. Gloves 手套B. Sunglasses 太阳镜C. ESD wrist strap 防静电腕带
题目7单选题
How should the Velcro strap tension be when securing the flight controller? 固定飞行控制器时,魔术贴带的张力应如何A. As tight as possible尽可能紧B. Light tension (do NOT over tighten)轻度张力(切勿过度拧紧)C. No tension needed无需张力
题目8单选题
Motor bottom screws are offset, which installation direction is correct? 电机底部螺丝偏置,正确安装方向是A. Toward the edge 朝外B. oward the center 朝中心C. Any direction 任意方向
题目9单选题
What color thread locker is recommended? 螺纹锁固剂建议使用什么颜色A. Blue or purple 蓝色或紫色B. Red 红色C. Yellow 黄色
题目10单选题
The term "ARF kit" in UAV assembly refers toA. Aerial Reconnaissance Framework kitB. Advanced Radio Frequency kitC. Almost Ready to Fly kitD. Automatic Return Flight kit
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