A) radio signals reflect from a solid surface B) sound waves travel at a constant speed through water C) radar signals travel at a constant speed through water D) pressure increases with depth E)NULL
A) odd or even numbers B) the color of their top band C) the location of the buoy in the channel junction D) the buoy’s light rhythms E)NULL
A) Orion B) Ursa Major C) the Southern Cross D) Pegasus E)NULL
A) Use the fore-and-aft magnets and adjust the compass until it reads 358°. B) Use the athwartships magnets and adjust the compass until it reads 358°. C) Use the fore-and-aft magnets and adjust the compass until it reads 000°. D)…
A) 0° B) 45° C) 90° D) 180° E)NULL
A) 4 B) 8 C) 24 D) 32 E)NULL
A) Vertical circles B) Parallels of altitude C) Zenith distance D) Azimuth angle E)NULL
A) mean low water B) the same as that used for the charts of the locality C) the highest possible level D) given in table three of the tide tables E)NULL
A) American Practical Navigator B) Sailing Directions C) Tide Tables D) Tidal Current Tables E)NULL
A) 1631 to 1719 B) 1638 to 1655 C) 1648 to 1702 D) 1655 to 1709 E)NULL