Information markers, when lighted, will display __________.?
A) yellow lights B) green lights C) white lights D) red lights E)NULL
Soru Kategorisi Güverte
Under the IALA-A Buoyage System, when entering from seaward a lateral system buoy to be left to port may display which topmark in illustration D046NG?
A) A B) B C) C D) D E)NULL
You would need to apply the conversion angle to an RDF bearing, prior to plotting the bearing on a chart, when the ship and the station are both on __________.?
A) latitude 50°S, 200 miles apart B) longitude 50°W, 150 miles apart C) the equator, 175 miles apart D) latitude 30°N, 50 miles apart E)NULL
The Light List shows that a navigational light has a nominal range of 19 miles and a height above water of 52 feet (15.8 meters). Your height of eye is 42 feet (12.8 meters) and the visibility is 10.0 miles. At what approximate range will you first sight the light?
A) 10.0 miles B) 16.0 miles C) 17.3 miles D) 19.0 miles E)NULL
All echo-sounders can measure the __________.?
A) actual depth of water B) actual depth of water below keel C) average depth from waterline to hard bottom D) average depth of water to soft bottom E)NULL
When entering from seaward, a buoy displaying a single-flashing red light would indicate __________.?
A) a junction with the preferred channel to the left B) a sharp turn in the channel to the right C) the starboard side of the channel D) a wreck to be left on the vessel’s port side E)NULL
On the approach of a warm front, barometric pressure usually __________.?
A) falls B) is steady C) is uncertain D) rises E)NULL
In the horizon system of coordinates what is the equivalent to the meridians on the Earth?
A) Horizon B) Hour circle C) Vertical circles D) Celestial meridians E)NULL
A vessel is heading magnetic east and its magnetic compass indicates a heading of 093°. What action should be taken to remove this error during compass adjustment?
A) If the red ends of the magnets are aft, and the fore-and-aft tray is at the top, you should remove some magnets. B) If the red ends of the magnet are aft, and the fore-and-aft tray is at the…
Which is TRUE concerning the speed of fronts?
A) Cold fronts move faster than warm fronts. B) Cold fronts move slower than warm fronts. C) Cold fronts and warm fronts move with equal speed. D) Cold fronts move slower at the northern end and faster at the southern…