单选题One of the signals，other than a distress signal，that can be used by a rescue boat to attract attention is a/an（）.Ared star shellBsearchlightCburning barrelDorange smoke signal
单选题
One of the signals，other than a distress signal，that can be used by a rescue boat to attract attention is a/an（）.
A
red star shell
B
searchlight
C
burning barrel
D
orange smoke signal
参考解析
解析：
暂无解析
相关考题：
单选题在核算散装谷物船舶稳性时，剩余动稳性值指GZ曲线（）。A在横倾角0°至40°范围内的面积B在横倾角0°至右边界角范围内扣除风压倾侧力臂后的面积C在横倾角0°至右边界线对应横倾角范围内扣除谷物倾侧力臂后的面积D在谷物移动引起的船舶横倾角至右边界角范围内扣除谷物倾侧力臂后的面积
单选题An example of class "A" fire is a/an （）.Aelectrical fire in the engine roomBoil fire in the engine room bilgesCoil fire involving a grade A petroleum productDmattress fire in a stateroom
单选题在采用EPC－400控制的FOPX型分油机自动控制系统中，排水电磁阀通电的条件是（）。A定时通电B每次排渣之前C净油中水分含量达到触发值D距离上次排渣10min内净油中的含水量达到触发值
单选题Winch gears must be maintained in proper alignment to prevent （）.Aoverheating of the lube oilBover-speeding of the motorCwear on the braking systemDdamage to the teeth
单选题救助遇难船舶人员，若难船不能放艇时，本船应行驶到难船（），从（）舷放本船救生艇，驶抵遇难船（），救助遇难船人员。A上风、下风、上风B下风、上风、下风C上风、下风、下风D下风、下风、上风
单选题英版海图某灯塔灯高64m，额定光力射程30M，已知测者眼高为25m，则能见度良好（10nmile）时该灯塔灯光的最大可见距离是（）。A21.4nmileB27.2nmileC28.6nmileD25.0nmile
单选题Many cast iron pistons are designed with heat dams, which serve to （）Akeep piston crown temperatures elevated for smoother combustionBreduce the possibility of overheating the top compression ringChelp retain the heat of compression to prevent ignition delayDhelp retain the heat of compression to prevent combustion knock
单选题The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire，（）the claimant proves that the fire arose from fault or neglect on the part of the carrier，his servants or agents.AshouldBshallCthatDif
单选题现代科学管理的方法已越来越融入轮机管理工作中，它的主要内容是（）。 a．行政管理、思想教育管理； b．法律管理、经济管理； c．决策管理、辅助管理； d．技术管理、咨询管理。Aa+b+cBb+c+dCa+b+dDa+c+d
单选题Fuel injectors used in heavy fuel oil systems are usually provided with cooling to reduce（）.Acold corrosion of the nozzlesBfuel viscosity for better atomizationCcarbon accumulation on the nozzlesDfuel detonation in the cylinders