單項(xiàng)選擇題When referring to dry bulk cargoes，the term “flow state”（）.

A.designates the state of a commodity when the ship is heeled past the angle of repose
B.relates to the suitability of loading a cargo by flowing down inclined chutes
C.refers to the saturation of a dry bulk product with water to the point where it acts as a liquid
D.relates to the minimum granule size of a particular product where it will flow like a liquid at an angle of 30°


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1.單項(xiàng)選擇題When measuring the oxygen content of the cargo tanks prior to loading cargoes requiring vapor recovery，check it（）.

A.one meter from the tank bottom and one meter below the tank top
B.one half the ullage of the tank and one meter below the tank top
C.one half the ullage of the tank and one meter above the tank bottom
D.at three meter intervals from the tank top to the bottom

2.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

3.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

4.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

5.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