Where tanks are arranged for either oil or ballast （） must be fitted in the pipe so that only the ballast main or the oil transfer main connected to the tank.

When bilge water is heated in a holding tank, which one of the following statements is not accurate?（）

In the case of new crude oil tankers，the additional ballast permitted shall be carried in cargo tanks only if such tanks have been（）before departure from an oil unloading port or terminal.

Many vessels are provided with flume tanks，which also have a dump tank located under the flume tanks. In the event the ship is damaged，you could dump the flume tanks into the dump tank which would（）.

How should cargo tank hatches be protected when the ullage opening is open and the tank not gas free?（）.

How should cargo tank hatches be protected when the ullage opening is open and the tank NOT gas free?（）.

Open ullage holes in tanks which are not gas-free must be protected by（）.

On a tank vessel, which of the following substances would be burning in a class "B" fire?（）

If you are bunkering and you close off one tank in the line of tanks being filled，the rate of flow to other open tanks on the same line will（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

In a typical fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to （） and heated.