单选题An LWT anchor often has difficulty tripping in（）.AsandBsoft soilCstiff clayDheterogeneous soil
单选题
An LWT anchor often has difficulty tripping in（）.
A
sand
B
soft soil
C
stiff clay
D
heterogeneous soil
参考解析
解析：
暂无解析
相关考题：
单选题根据《船东保赔协会条款PI》的规定，除不能获得该协会赔偿的费用外，会员根据法定义务派遣入会船舶船员或为替换留在岸上的入会船船员而派遣替换船员而开支的费用，该协会负责赔偿，但不包括（）原因产生的费用。①船员在入会船上的服务终止，不论该项终止是根据协议或其他服务合同或雇佣合同条款，还是根据合同双方的同意；②会员违反协议或其他服务合同或雇佣合同；③入会船舶出售；④会员采取的与入会船有关的任何其他行动.A①-④B①-③C④D①④
单选题Which of the following statements describes the relationship between viscosity and specific gravity?（）ALiquids with different viscosities will always have the same specific gravityBLiquids with different viscosities will never have the same specific gravityCViscosity and specific gravity are directly proportionalDViscosity and specific gravity are not related in that one does not define or limit the other
单选题动力装置有效热效率是指（）。Ⅰ.每小时螺旋桨推力功的相当热量与同一时间内动力装置消耗的燃油完全燃烧所发出的总热量之比Ⅱ.3600kJ与动力装置每千瓦小时所消耗燃油（燃油消耗率的燃油）的热量之比A仅Ⅰ对B仅Ⅱ对CⅠ，Ⅱ都对DⅠ，Ⅱ都不对
单选题仅用于供热的废气锅炉蒸汽压力（），产生的蒸汽为（）。A河船取0.5～0.7MPa，饱和蒸汽/海船取1.0～1.5MPa，过热蒸汽B河船取0.3MPa，饱和蒸汽/海船取1.0～1.5MPa，过热蒸汽C河船取0.3MPa，饱和蒸汽/海船取0.5～0.7MPa，饱和蒸汽D河船和海船均取0.5～0.7MPa/过热蒸汽
单选题The radiotelegraph alarm signal may be used to announce（）.Athat a distress message will followBa request for assistance in searching for a man overboardCan urgent warning about a cycloneDAll of the above
单选题New adopted regulation of master shall（）when maintaining the security of the ship.Atake actions by he company’s orderBtake actions by the ship owner’s orderCexercise his professional judgmentDexercise his professional judgment but be constrained by the company
单选题Where are the zinc plates located?（）Asaltwater side of the condenserBrefrigerant side of the condenserCin the evaporator coilsDin the suction strainer
单选题SOLAS公约规定，1000总吨及以上但小于6000总吨的货船，在两台消防泵同时工作时，在所有消防栓处应维持的最低压力是（）。A0.25MPaB0.27MPaC0.31MPaD不小于12米射程的水柱
单选题船舶的动力装置中，让主滑油泵、淡水泵继续运转（），充分带走运动表面的热量，并使机体各部件均匀散热，避免因应力过大而发生故障，同时可以避免活塞头结炭。A10～30minB15～30minC10～20minD15～20min
单选题The double bottom in a vessel is a space comprised of （）Aplating forming the engine room tank topBdoubler plating installed over the flat keel plateCa watertight boundary formed by the inner bottomDcompartments between the inner and outer bottoms
单选题Fires occurring in combustible metals, such as sodium or magnesium, are classified as a （）.Aclass ABclass BCclass CDclass D
单选题If the engine （） for a long period, there will be a danger of frost.Amust to stand inoperativeBhas to stand inoperativeCmust be stood idleDwill stand idle
单选题直连螺旋桨并装有极限调速器的船舶主机运转中，当油门一定时，若海面阻力增加，主机的运转工况变化是（）。A转速降低后稳定工作B增大供油后稳定工作C转速增加后稳定工作D视海面阻力变化大小而定