The consistent winds blowing from the horse latitudes to the doldrums are called the __________.?
A) prevailing westerlies B) polar easterlies C) trade winds D) roaring forties E)NULL
Arşivler Sorular
The distance between the surface of the water and the tidal datum is the __________.?
A) actual water depth B) range of tide C) charted depth D) height of tide E)NULL
As you enter a channel from seaward in a U.S. port, the numbers on the starboard side buoys __________.?
A) decrease and the buoys are black B) increase and the buoys are green C) decrease and the buoys are red D) increase and the buoys are red E)NULL
An amplitude of the Sun in high latitudes __________.?
A) is most accurate before sunrise B) is most accurate after sunset C) should only be observed when the Sun’s lower limb is above the horizon D) is most accurate when the Sun’s center is observed on the visible horizon…
Good weather is usually associated with a region of __________.?
A) low barometric pressure B) high barometric pressure C) falling barometric pressure D) pumping barometric pressure E)NULL
The winds of the “roaring forties” are strongest near __________.?
A) 40°N B) 50°N C) 40°S D) 50°S E)NULL
On 13 November 1981 you observe a back sight of the upper limb of the Moon as seen through the sextant’s scope. The sextant altitude (hs) is 110°31.2′. The height of eye is 46 feet and the index error is 2.0′ off the arc. The horizontal parallax is 61.3′. What is the observed altitude (Ho)?
A) 70°41.4 B) 70°15.4′ C) 70°11.4′ D) 70°02.2 E)NULL
When daylight savings time is kept the times of tide and current calculations must be adjusted. One way of doing this is to __________.?
A) subtract one hour from the times listed under the reference stations B) add one hour to the times listed under the reference stations C) apply no correction, as the times in the reference stations are adjusted for daylight savings…
On a clear, warm day, you notice the approach of a tall cumulus cloud. The cloud top has hard well defined edges and rain is falling from the dark lower edge. Should this cloud pass directly overhead __________.?
A) it will be preceded by a sudden increase in wind speed B) it will be preceded by a sudden decrease in wind speed C) the wind speed will not change as it passes D) the wind will back rapidly…
The Light List shows that a navigational light has a nominal range of 6 miles and a height above water of 18 feet (5.5 meters). Your height of eye is 40 feet (12.2 meters) and the visibility is 27.0 miles. At which approximate range will you first sight the light?
A) 5.6 miles B) 6.4 miles C) 9.8 miles D) 12.1 miles E)NULL