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1.A basement counts as a story when: 1.地下室在何种情况下可被计为一层楼?
2.When mounting a solar array on a sheet-metal roof, what helps distribute live and dead loads? 2.在金属板屋顶上安装太阳能阵列时,什么有助于分散活荷载和恒荷载?
3.Colors for marking a 208-V branch circuit: 3.用于标记 208-V 支路电路的颜色是:
4.Red markings from Underground Service Alert indicate: 4.“地下管线预警”(Underground Service Alert)标记中的红色表示:
5.A single-phase 120 V AC circuit carries 15 amps with a power factor of 80%. What is the power output? 5.一个单相 120 V 交流电路承载 15 安培电流,功率因数为 80%。其功率输出是多少?
6.After wiring, call ___ for temporary power: 6.布线完成后,应致电 ___ 申请临时用电:
7.Material prohibited in a 7-story office: 7.在一栋 7 层高的办公楼中,哪种材料是被禁止使用的?
8.Max length for double-cleat ladders: 8.双横档梯(double-cleat ladders)的最大长度限制是多少?
9.When bidding for a new residential build with no existing electrical service, what should be done first? 9.在为新建住宅项目进行投标报价时(该项目尚无现有的电力接入服务),首先应该做什么?
10.For 120/208 V system (lights & appliances), use transformers: 10.对于 120/208 V 系统(用于照明及电器),应选用以下哪种变压器:
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