A.sagging with tensile stress on main deck
B.sagging with compressive stress on main deck
C.hogging with tensile stress on main deck
D.hogging with compressive stress on main deck
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A.To keep them dry，and thus easier to clean
B.To remove fuel vapors which are heavier than air
C.To provide adequate air to the engines
D.To cool the machinery areas
A.Davit arm to pivot on the traveling nut and the head to fall outboard
B.Traveling nut to lock up in place on the worm gear
C.Limit switch to engage and hold the traveling nut in position
D.Winch brake to lock in position and prevent lowering the boat
A.Deadrise
B.Camber
C.Freeboard
D.Flare
A.The hospital may be used for disciplinary confinement if it is not being used for treatment
B.The hospital space must have both a bathtub and shower
C.A hospital is required on all vessels with a crew of 12 or more if it makes overnight voyages
D.If a ship has a crew of forty-five who do not have their own room，the hospital must have four berths
A.Galley fitted with range or oven
B.Open structures
C.Passenger spaces
D.Boatswain's stores
最新試題
Your vessel has a midships engine room and the cargo is concentrated in the end holds．The vessel is（）.
Tonnage openings must be closed by means of（）.
Which arrangement of shell plating is used most in modern shipbuilding（）.
The deadweight of a bulk carrier consists of（）.
（）is not a static load.
Which of the following tensioning devices is used with webbing to secure light vehicles aboard Ro-Ro vessels（）.
The opening in the deck beneath the anchor windlass that leads to the chain locker is the（）.
While cranking out a quadrantal davit，slippage of the quadrant due to excessive wear or failure of the teeth in the quadrant will cause the（）.
What is a cofferdam（）.
The riding pawl is（）.