A.Immediately after floating free B.After about one hour when the salt water activates the battery C.Only when keyed by the radar of another vessel D.Only when daylight activates the photovoltaic cell
A.congesting B.congested C.congestion D.congest
A.all fishing vessels over 39 feet in length B.sail-propelled fishing vessels C.all fishing vessels of less than 200 GT D.wooden hull fishing vessels with a poor radar echo
A.into the wind B.away in fire and smoke C.directly to the standby boat D.directly to the nearest land
A.deviation minus variation B.variation plus compass course C.combined variation and deviation D.difference between true and magnetic heading
A.spider element B.mercury ballistic C.gyrotron D.rotor
A.one-millionth part of a second B.one-thousandth part of a second C.one-hundredth part of a second D.one-tenth part of a second
A.induced magnetism in the vessel's horizontal soft iron B.change in the magnetic field when the vessel inclines from vertical C.permanent magnetism of the vessel D.magnetic fields caused by electrical currents in the vicinity
A.make B.be made C.not make D.not be made
A.tree or log awash in a nearly vertical position B.crew member who refuses to work C.upstream end of a land wall D.buoy that is adrift