我
- 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
- 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.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.Galley fitted with range or oven
- B.Open structures
- C.Passenger spaces
- D.Boatswain's stores
- 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.Deadrise
- B.Camber
- C.Freeboard
- D.Flare
- A.Boatswain's stores
- B.Companions and booby hatches
- C.Passenger spaces
- D.All of the above
- A.Crew messroom
- B.Forepeak ballast tank
- C.Master's cabin
- D.Chain locker
- A.Chain lever
- B.Buckle tensioner
- C.Adjust-a-matic tensioner
- D.Turnbuckle
- A.Clinker
- B.Flush
- C.In-and-Out
- D.Joggled
