A.one fixed power pump and one portable hand pump
B.one fixed hand pump and one portable hand pump
C.two portable hand pumps
D.either "A" or "B"
您可能感興趣的試卷
你可能感興趣的試題
A.empty
B.fully ballasted
C.partially ballasted
D.sealed
A.Movable ladders
B.Fixed ladders
C.Safety booms
D.Elevators
A.air temperature at the time of the exposure
B.air pressure at the time of the exposure
C.humidity at the time of exposure
D.duration of the exposure
A.spring-loaded line thrower
B.hand thrown buoyant line
C.shoulder type line throwing gun
D.heaving line
A.Concentration of weight aft
B.Concentration of weight forward
C.Concentration of weight amidships
D.Concentration of weight at both ends of the vessel
最新試題
How are riveted lap joints made watertight?()
How is the annual rate of change for magnetic variation shown on a pilot chart?()
Fusible-link fire dampers are operated by().
Freeboard is measured from the upper edge of the().
Given the same water depth and line tension,the holding power of a 19 pound/foot wire rope mooring system in comparison to the holding power of a 90 pound/foot chain mooring system will be().
How do you determine the weight of the vessel that is supported by the ground when a vessel has run aground?()
From which type of cloud can a tornado or waterspout develop?()
How does the effect known as “bank suction” act on a single-screw vessel proceeding along a narrow channel?()
Horizontal subdivision decks forming watertight compartments in the columns of a semisubmersible ship increase the unit’s().
General information on enroute weather and climate is found in().