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
您可能感興趣的試卷
你可能感興趣的試題
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
A.with
B.has
C.have
D.had
最新試題
An obstruction on a helodeck is any object that might present a hazard to the（）.
It is not necessary to declare（）in the Health List.
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（）.
A large metallic device，mounted directly in the piping (usually located at the dock near the point where the vapor hose is attached)，designed to prevent the passage of a rapidly moving flame through the piping is called a（）.
A fishing vessel displaying the lights shown is（）.
A green buoy has a yellow triangle on it. This is a(n)（）.
Permanent magnetism is found in（）.
A large basin cut into the shore，closed off by a caisson，and used for dry docking of ships is known as a（）.
A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?（）
A heavy，thick-walled tube，usually steel，used between the drill pipe and the bit in the drill stem to weight the bit in order to improve its performance is called a（）.