A.furnishes support to the rudder, propeller shaft, and transom frame
B.provides foundations for after mooring winches
C.provides foundation for the main propulaion engines
D.transfers the driving force of the propller to the hull
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A.Danger of heavy ship sweat exists; constant and vigorous ventilation is required
B.There is danger of heavy cargo sweat if outside air is introduced by ventilation
C.There is little danger of ships sweat, slight possibility of cargo sweat; moderate ventilation is needed
D.The po sibility of any sweat problem, either cargo or ship, is frame
A.transverse
B.disagonal
C.longitudinal
D.vertical
A.acceleration greater than on conventional vessels
B.acceleration less than on conventional vessels
C.acceleration the same as on conventional vessels
D.no acceleration
A.help keep the deck dry
B.prevent stress concentrations on the stringer plate
C.protect against twisting forces exerted on the frame of the vessel
D.reinfo ce th eside stringers
A.as it warms up it becomes heavier than air
B.the way it reacts with sea water
C.the strong odor it produces
D.its low temperature causes frostbite or freezing
最新試題
The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.
（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
（）is where the crew eat their meals.
When steering by autopilot,how often should the steering be checked?（）
It is dangerous for vessels without the operational radar（）the estuary.
According to the relevant regulation, lifeboat should be powered by（）.
The mean draft of a ship is the draft（）.
What is it called when it is possible to ignite the vapour above the oil?（）