A.operation of electrical equipment and generators on board ship
B.the earth's magnetic field affecting the ship's hard iron during construction
C.the horizontal component of the earth's magnetic field acting on the horizontal soft iron
D.the vertical component of the earth's magnetic field acting on the vertical soft iron
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A.Appendicitis
B.Cholera
C.Plague
D.Typhus fever
A.Jaundice by fever
B.Acute skin rash or eruption with or without fever
C.Duodenitis
A.Drape along brackets
B.Leave in place while back loading cargo to save time
C.Hang vertically in the paint locker
D.All of the above
A.three barrels
B.four barrels
C.six barrels
D.eight barrels
A.procedures for accepting cargo securing devices
B.procedures for maintaining and repairing cargo-securing devices
C.record of cargo securing device inspections
D.All of the above
A.a tug comes alongside while the tanker is loading grade
B.and E cargoes B. a large,fresh oil spill is discovered immediately adjacent to the side of the tanker
C.there is an electrical storm in the vicinity
D.there is a fire on the dock or on a nearby vessel
A.was experienced
B.were experienced
C.has experienced
D.have experienced
A.rotor blades and landing gear
B.unloading of passengers
C.loading of cargo
D.pilot's visibility
A.prevent the generation of flammable or combustible gas in tanks
B.blow out cargo lines to prevent the build up of gas concentrations
C.dilute tank atmospheres to keep gas concentrations below the lower explosive limit
D.prevent fires in the pumproom by continually displacing flammable vapors
A.aid in the stripping and cleaning of cargo tanks
B.increase the rate of discharge of cargo
C.force toxic and explosive fumes from a cargo tank to vent to the outside atmosphere
D.lower the oxygen levels inside cargo tanks,making explosion nearly impossible
最新试题
An inert gas system installed on a tanker is designed to().
A hand held instrument used to measure distances between objects and the ship is a().
Entries should be made in a Ro-Ro vessel’s cargo-securing device record book for().
A green buoy has a yellow triangle on it. This is a(n)().
A fire pump may be used for other purposes if().
All ships()suspected infectious disease on board should radio information to Port Health Officer.
It is not necessary to declare()in MARITIME HEALTH DECLARATION.
A fishing vessel casualty must be reported to the Coast Guard if it involves().
Please supply 200 tons of fresh water()my ship.
A fixed carbon dioxide extinguishing system for a machinery space,designed WITHOUT a stop valve in the line leading to the protected space,is actuated by().