單項(xiàng)選擇題When loading bulk liquid cargo，what is the first action you should take if a cargo valve jammed open?（）

A.Call the owner，operator，or terminal supervisor
B.Unplug the deck scuppers
C.Order the dock man to shut down
D.Run out the vessel's or terminal's fire hose


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1.單項(xiàng)選擇題When considering a vessel’s stability，which spaces in a general cargo vessel are the best locations for the carriage of bulk grain? （）

A.Deep tanks
B.Lower holds
C.Lower holds at the ends of the vessel
D.'Tween-decks

2.單項(xiàng)選擇題When commencing cargo operations on a container ship，one cell at a hatch is generally discharged completely (to the bottom of the ship) before removing any containers from the adjoining cells to（）.

A.remove an existing list that would slow down cargo operations
B.initiate loading in conjunction with unloading at the hatch
C.improve stability during cargo operations
D.allow longshoremen easy access to the hatch

3.單項(xiàng)選擇題When clearing customs for a foreign voyage，which of the following is processed at the custom’s house and returned to the vessel? （）

A.Shipping Articles
B.Traveling Curio Manifest
C.Official Logbook
D.Cargo Gear Register

4.單項(xiàng)選擇題When carrying a cargo of asphalt or molten sulfur，which are carried at temperatures of over 300°F，one of the biggest dangers is（）.

A.water in the tanks or pipelines
B.having the cargo too cool
C.explosion of vapors after discharge
D.inadequate ullage space

5.單項(xiàng)選擇題When cargo aboard a jack-up in transit becomes adrift，the tow vessel should be asked to （）.

A.turn into the seas
B.turn to be parallel to the seas
C.reduce speed
D.increase speed