A.only after two hours in the water
B.only after four hours in the water
C.before entry into the water
D.upon entry into the water
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A.when approved by the lockmaster
B.when locking downbound
C.at no time
D.during high water only
A.it increases the likelihood of collision between the towing vessel and the disabled vessel
B.recreational boaters tend to make the heaving line fast to the towed vessel as if it were the towline
C.the monkey fist may injure someone
D.it may reduce the catenary and increase yawing
A.route
B.track
C.heading
D.course over the ground
A.course
B.track
C.heading
D.course over the ground
A.a difference in water pressure
B.the method of breaking up the water stream
C.the length of the applicator
D.All of the above
最新試題
Which statement about radio navigational warnings is TRUE（）.
Which step should be taken，if possible，when the vessel must be abandoned because of a distress situation（）.
The port State control officer may ensure that（）are exhibited in conspicuous places throughout the ship.
The fog is lifted，so（）the radar．
While proceeding to a distress site，you hear the words “Seelonce mayday” on the radiotelephone.Which action should you take（）.
The port State control officer or the surveyor authorized by the port State Administration must be aware that（）may be carried on product carriers.
The damage to a vessel is over $25，000. Who must notify the nearest Coast Guard Marine Safety or Marine Inspection Office as soon as possible? （）
Where the master has not disclosed to the suppliers of necessaries that under an existing time-charter the Charterer is liable for the particular disbursements in question，（）will be liable to such suppliers to that extent.
According to Sinotime，during the period of this Charter，should the Vessel be requisitioned by the government of the Vessel’s nationality，hire to（）from the time of her requisition.
The external flotation bladder of an immersion suit should be inflated（）.