单选题Which is the proper method of determining whether a portable CO2 fire extinguisher needs recharging?（）ACheck the tag to see when the extinguisher was last chargedBRelease a small amount of CO2; if the CO2 discharges，the extinguisher is acceptableCWeigh the extinguisher and compare the weight against that stamped on the valveDRecharge the extinguisher at least once each year
单选题
Which is the proper method of determining whether a portable CO2 fire extinguisher needs recharging?（）
A
Check the tag to see when the extinguisher was last charged
B
Release a small amount of CO2; if the CO2 discharges，the extinguisher is acceptable
C
Weigh the extinguisher and compare the weight against that stamped on the valve
D
Recharge the extinguisher at least once each year
参考解析
解析：
暂无解析
相关考题：
单选题Injuries resulting in loss of life or incapacitation，aboard vessels，must be reported to the （）.AMOCBCCSCMSA OF CHINADInternational Association of Navigation
单选题单手柄控制（操作）系统的含义是指（）A主机、侧推器的操作由一个手柄控制；B主机、舵机、侧推器及锚机的操作由一个手柄控制；C主机、舵机及锚机的操作由一个手柄控制；D主机、舵机及侧推器的操作由一个手柄控制。
单选题当我船船体被他船撞入时，我舶应关闭水密门检查破损并报告船长，并尽可能：（）A加速以减小进水量，操船使破损处处于下风B停船以减小进水量，操船使破损处处于下风C加速以减小进水量，操船使破损处处于上风D停船以减小进水量，操船使破损处处于上风
单选题（）of the following statements is INCORRECT regarding a fire and boat drill on board your cargo vessel.AAt least one fire and boat drill shall be held within 24 hours of leaving a port where more than 25 percent of the crew has been replacedBThe Master is responsible in seeing that each lifeboat is lowered to the water at least once in each 6 monthsCLifeboat equipment shall be examined at least once each month to insure that it is completeDAn entry shall be made in the vessel's Official Logbook relative to each fire and boat drill
单选题STCW规则A部分第Ⅷ章“适用于海上值班一般原则”中对轮机长的规定是（）。A必须参加轮机员责任期的值班B必须与船长协商，确保轮机值班安排足以保持安全值班C在航前必须将油、水存量报告船长D应将涉及船舶操纵的设备转换到手动状态
单选题根据《运输船舶消防管理规定》，在船舶火灾扑救方面应（ ）。Ⅰ.制定消防应急部署和灭火预案，定期演练；Ⅱ.航行中发生火灾，船长负责组织全体船员施救；Ⅲ.船长在组织指挥灭火过程中要避免不必要的人身伤亡；Ⅳ.客船发生火灾，应首先疏散旅客，保证旅客生命安全。AⅠ～ⅢBⅡ～ⅣCⅠ～ⅣDⅠ、Ⅱ、Ⅳ
单选题在标志寄存器中，CY=0，Z=0，S=0分别表示（）。A无进位，运算结果为0，运算结果为负B无进位，运算结果非0，运算结果为正C有进位，运算结果非0，运算结果为正D有进位，运算结果为0，运算结果为负
单选题The velocity of the wind，its steady direction，and the amount of time it has blown determines a wind driven current’s（）.AtemperatureBdensityCdeflectionDspeed
单选题Always ensure that the turning gear is（）, even at the quay, the wake from other ships may turn the propeller and thus the engine.AdisengagedBengagedCassembledDdisassembled
单选题考虑到船舶主机与陆地工作环境不同，为了确保其安全可靠地工作，延长维修间隔期，发动机在船上使用的服务功率比标定功率MCR要低，这种储备称（）。A发动机工作储备B船体工作储备C发动机转速储备D推进装置的减额输出
单选题凝点是指在规定的冷却条件下油品停止流动的（），轻柴油牌号越高，凝点（）。A最高温度，越高B最高温度，越低C最低温度，越高D最低温度，越低