A.the age of the ship
B.the seaworthiness
C.the max drafts at both bow and the stern
D.the stability and calculated strength
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A.continue
B.stop
C.commence
D.cease
A.significant areas of damage or corrosion
B.pitting of plating and associated stiffening in decks
C.pitting of hull affecting seaworthiness or strength to take local loads
D.the condition of such items as ladder ways,guard-rails,pipe coverings
A.slip
B.sidewise force
C.rotational force
D.thrust
A.close
B.open
C.switch off
D.switch on
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
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
最新试题
The name and hailing port of a documented commercial vessel is().
The fog is lifted,so()the radar.
The port State control officer will ensure that()is performed by all crude carriers either required to have a crude oil washing system or where the owner or operator chooses to install a crude oil washing system.
The dangerous semicircle of a hurricane in the Northern Hemisphere is that area of the storm ().
The port State control officer may ensure that()are exhibited in conspicuous places throughout the ship.
The direction in which a vessel is steered is the course. The path actually followed is the ().
The Certificate of Inspection on a passenger vessel of over 100 gross tons must be posted ().
Which step should be taken,if possible,when the vessel must be abandoned because of a distress situation().
The depth()a shallow patch,lying about 1.3 miles southeastward of Nanshan Tou lighthouse reduces to about 6.1 meters.
The force exerted by a propeller which tends to throw the stern right or left is called().