The term OIL as used in the Oil Pollution Regulations means（）.

There is not（）depth of water around the area centered at the lighthouse.

Tripping defects in anchors frequently occur in（）.

PAN-PAN repeated three times over the radiotelephone indicates which type of message will follow?（）

The best method to stop a vessel from dragging anchor in a sand bottom is to（）.

What happens to the efficiency of an anchor when it is moved from sand to mud?（）

There is plenty of（）at this area.

When testing a Class A EPIRB you will know the EPIRB is working properly if you hear on 99.5 Mhz FM or any vacant frequency on a nearby AM radio（）.

What is required to launch a boat stowed in a crescent davit?（）

The expression FIRST MAGNITUDE is usually used to refer only to bodies of magnitude（）.