单选题If water is rising in the bilge of a lifeboat，you should FIRST（）.Aabandon the survival craftBcheck for cracks in the hullCshift all personnel to the sternDcheck the bilge drain plug
单选题
If water is rising in the bilge of a lifeboat，you should FIRST（）.
A
abandon the survival craft
B
check for cracks in the hull
C
shift all personnel to the stern
D
check the bilge drain plug
参考解析
解析：
暂无解析
相关考题：
单选题Blow-off of the relief valves of the main cylinders during operation indicates （）.Athe cylinder cover is crackedBthe injector holes is cloggedCthe cams are not properly setDfuel pump is leaking
单选题以下陈述错误的是（）。ARSO可为某一具体船舶编制SSP并参加该船SSP的审查与批准工作B一份有效的SSP的制订应依赖于对船舶保安所有相关问题进行的全面评估C在SSP中应规定向缔约国政府的适当联络点进行报告的程序D在SSP中应规定对缔约国政府在保安等级3时可能发出的任何指令做出反应的程序
单选题开启和操纵液压起货机时，必须注意：（） ①、检查高压油泵的压力是否正常； ②、启动操纵室内油泵开关时，应按操作顺序开启，并注意检查压力表指示是否正常； ③、操纵时必须缓慢加大油压，以防造成油管接头破裂A①、②B①、③C②、③D①、②、③
单选题中央空调器选用双液体温包温度调节器，温度补偿率为0.67，温包甲与温包乙容积比为3：2，安装时应（）A甲放新风处，乙放送风处B甲放送风处，乙放新风处C甲放回风处，乙放新风处D甲放新风处，乙放回风处
单选题The bridge should inform the engine room before passing through congested or shallow waterway（）A24 hoursB2 hoursC1 hoursD15 minutes
单选题The SMS should provide for （） ensuring that the Companys organization can respond at any time to hazards, accidents and emergency situation involving its ships.AprogramsBprogressCmembersDmeasures
单选题A vessel has an amidships superstructure. Which location would be most suitable for on-deck stowage of automobiles?（）.AOn top of No.1 hatchBBeside the hatches，forward of the midships houseCOn top of the hatch immediately forward of the midships houseDOn top of the hatch immediately aft of the midships house
单选题船舶装卸作业时，值班驾驶员的职责包括（）。Ⅰ．认真记录装卸作业的时间、开工舱口和工班数；Ⅱ．严禁任何人在甲板上吸烟；Ⅲ．每班应观测水尺二次并记入航海日志；Ⅳ．装运冷藏集装箱时，通知大副、电机员、大管轮现场监装。AⅠ～ⅣBⅠ～ⅢCⅠ、Ⅱ、ⅣDⅡ～Ⅳ
单选题The form of cloud often known as mackerel sky which is generally associated with fair weather is（）.AnimbostratusBstratusCcirrocumulusDcumulonimbus
单选题当船舶发生诸如危险冰况，危险船舶骨骸或其他危及海上航行安全的情况时，应该采取的行动中（）不正确A尽快联系附近的其他船舶B尽快与附近海岸电台取得联系C发送安全信息D尽快编制NAVTEX电文，并送交播发台
单选题Which of the following methods is normally used to control the temperature of air distributed from individual cooling coils in an air conditioning system using a chilled water circulation system?（）AA room thermostat activates an electric heater at each individual chilled air outlet when necessaryBVarying the number of passes the air makes across the coilsCVarying the temperature of the water through the coilsDVarying the quantity of water flowing through the coils
单选题锋面具有的主要特征是（）。 Ⅰ．锋区中垂直温度梯度小； Ⅱ．锋区中水平温度梯度大； Ⅲ．锋两侧气流呈反气旋性切变； Ⅳ．锋两侧气压梯度不连续； Ⅴ．锋两侧气流呈气旋性切变； Ⅵ．锋面向冷区倾斜。AⅠ～Ⅳ，ⅥBⅠ，Ⅱ，Ⅳ～ⅥCⅡ～ⅥDⅡ，Ⅳ～Ⅵ
单选题在交变应力长期作用下，零件（材料）首先产生疲劳源，进一步扩展，最后脆断的称为（）。A韧性断裂B脆性断裂C疲劳断裂DA+B+C