If there is a strike or lock-out affecting the cargo on or after vessel’s arrival at port of discharge and the same has not been settled within 48 hours，Receivers shall have the option of keeping vessel waiting until such strike or lock-out is at an end against paying half demurrage after expiration of the time prescribed for discharging or ordering the vessel to a substituting port．The “same” refers to（）.

单项选择题If a chartered ship is prevented from，or delayed in，getting to the loading port by peril excepted during the voyage，the exception clauses（）.

A.apply
B.comply
C.supply
D.reply

单项选择题Functions aboard a tanker or tank barge such as connecting，disconnecting，and topping off must be supervised by（）.

A.any certificated tankerman
B.the Master of the vessel
C.the officer of the watch
D.the person designated as person in charge

单项选择题Fueling results in the collection of waste oil in drip pans and containers. Which is an approved method of disposing of the waste oil? （）

A.Draining it overboard when the vessel gets underway
B.Placing it in proper disposal facilities
C.Adding sinking agents and discharging it into the water
D.Mixing it with dispersants before draining it overboard

单项选择题Except as provided for otherwise，an oil tanker might discharge certain amount at certain rate of oil or oily mixtures into sea when（）.

A.the tanker is within 50 nautical miles from the nearest land
B.the tanker is no more than 50 nautical miles from the nearest land
C.the tanker is more than 50 nautical miles from the nearest land
D.the tanker is not more than 50 nautical miles from the nearest land

单项选择题Every wrongful act willfully committed by the master or crew against their vessel and her cargo defines（）.

A.Negligence
B.Barratry
C.Piracy
D.Mutiny