單項(xiàng)選擇題Which action must be taken when an individual cargo tank is closed off from the inert gas system by the tank isolation valve?（）

A.The tank must be gas freed
B.The tank must be ballasted
C.The tank must be vented to the atmosphere
D.The bypass valve must also be closed


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1.單項(xiàng)選擇題When the dew point of the outside air is lower than or equal to the dew point of the air in the cargo hold，you should（）.

A.secure all ventilation
B.shut down the exhaust blowers
C.shut down the intake blowers
D.ventilate the cargo holds

2.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°

3.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

4.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

5.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

最新試題

When accepting vehicles for shipment，the Master should ensure that（）.

題型：?jiǎn)雾?xiàng)選擇題

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

題型：?jiǎn)雾?xiàng)選擇題

Which of the following is the stated proper sequence before commencing cargo operations aboard Ro-Ro vessels?（）

題型：?jiǎn)雾?xiàng)選擇題

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

題型：?jiǎn)雾?xiàng)選擇題

Which of the following statement(s) is/are TRUE regarding lashing requirements to secure vehicles aboard Ro-Ro vessels? （）

題型：?jiǎn)雾?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? （）

題型：?jiǎn)雾?xiàng)選擇題

Which method is used to supply inert gas from a flue gas system to the cargo tanks?（）

題型：?jiǎn)雾?xiàng)選擇題

The system of valves and cargo lines in the bottom piping network of a tank vessel that connects one section of cargo tanks to another section is called a（）.

題型：?jiǎn)雾?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（）.

題型：?jiǎn)雾?xiàng)選擇題

Which of the following element(s) should be taken into account in the preparation of the “Cargo Securing Manual”? （）

題型：?jiǎn)雾?xiàng)選擇題