单选题汞氙灯一般用作（）。A配电盘面照明B航行灯C航行信号灯D探照灯
单选题
汞氙灯一般用作（）。
A
配电盘面照明
B
航行灯
C
航行信号灯
D
探照灯
参考解析
解析：
暂无解析
相关考题：
单选题根据系离泊作业安全要求，下列哪项是错误的（）。A使用拖轮协助靠离时，操作人员应站在系拖缆缆桩的后面B靠离时，二副应随时将船尾距离和缆绳收放情况及时报告驾驶台C系泊操作时，二副在船尾指挥，水手长一般在船尾协助D投掷撇缆时应先撇出后招呼，防止撇缆头伤人
单选题关于舷侧外板厚度的描述，下列正确的是（）。 Ⅰ船中部较厚，向两端渐薄； Ⅱ靠近舭列板附近的舷侧列板要比上面的厚一些； Ⅲ船中0.14L区域内的舷顶列板比相邻的舷侧列板厚AⅠ、ⅡBⅠ、ⅢCⅡ、ⅢDⅠ、Ⅱ、Ⅲ
单选题Which fire fighting agent has the greatest capacity for absorbing heat?（）AwaterBdry chemicalCfoamDCO2
单选题根据我国《海商法》，当责任主体可依法限制责任时，对旅客人身伤亡的最高赔偿额为（）.A船舶的乘客定额乘以46666SDR所确定的数值B2500成SDRC船舶的总吨乘以46666SDR所确定的数值D船舶的净吨乘以46666SDR所确定的数值
单选题The heated feed-water entering any flash chamber of a flash-type evaporator will（）Avaporize, with the un-flashed water remaining at the temperature at which it entered the flash chamberBvaporize, with the un-flashed eater equalizing to the saturation conditions existing in the f lash chamberCvaporize, with the remaining water a t a temperature greater than it entered the flash chamberDboil, allowing steam bubbles to rise through the brine at the bottom of the flash chamber
单选题CAN总线的特征中，数据信号采用差分电压传输，两条信号线分别为CAN_H和CAN_L。当CAN_H和CAN_L电平相等（2.5V）时称为静态，静态表示逻辑1，也称作“（）”。A稳性B静性C显性D隐性
单选题Hoses used for cargo transfer operations must be tested abdinspected at specified intervals by （）.Aa representative of the Captain of the PortBthe operator of the vessel or facilityCa representative of the National Cargo BureauDa representative of the American Bureau of Shipping
单选题The securing systems for containers were developed to prevent container movement during which ship motion?（）.ASurgeBRollCSwayDYaw
单选题If the goods are not delivered，or delivered in a damaged condition，a claim may be （）within a period of certain years unless there is a clause to the contrary in the charter-party or bill of lading.AtakenBgoneCgottenDmade
单选题A radiotelegraph message commencing with XXX has the same meaning as a message sent by the radiotelephone commencing with（）.ATTTBSOSCThe spoken word URGENCYDThe spoken word PAN
单选题柴油机装有GravinerMark-5型油雾探测器后，一旦油雾浓度超过设定值时，该装置将不能（）。A发出声光报警B使主机自动降速C使主机自动停车D自动处理故障