A.that the fuel valve is open B.if the air supply system is open C.if the water sprinkler system is open D.if the limit switch is on
A.crow bar B.device to force a water tight door against the frame C.heavy steel beam D.wedge
A.shape of the anchor B.stowage of the anchor on board C.anchor's ability to dig in D.size of the vessel and its draft
A.sand B.soft soil C.stiff clay D.heterogeneous soil
A.floors B.intercostals C.girders D.stringers
A.yearly inspection B.quarterly inspection C.monthly inspection D.weekly inspection
A.break glass，pull valve，break glass，pull cylinder control B.sound evacuation alarm，pull handle C.open bypass valve，break glass，pull handle D.open stop valve，open control valve，trip alarm
A.bilge water may enter the exhaust pipe B.entry of air may cause vapor lock C.carbon monoxide may enter the interior of the vessel D.the joint gaskets may be blown
A.Sheath-screw davits B.Gravity davits C.Radial davits D.Quadrantal davits
A.fairlead B.heaving line C.stay D.warp
