White and orange buoys, if lighted, show which color light?
A) White B) Orange C) Red D) Alternating yellow and white E)NULL
Arşivler Sorular
The atmosphere in the vicinity of a high pressure area is called a(n) __________.?
A) anticyclone B) cold front C) occluded front D) cyclone E)NULL
The plane of the ecliptic is inclined to the plane of the celestial equator by what angle?
A) 00°23′ B) 23°27′ C) 45°00′ D) 90°00′ E)NULL
Mariners should be careful about taking RDF bearings on commercial stations broadcasting entertainment programs. What condition would probably NOT affect such a bearing?
A) The actual broadcast antenna may be remote from the broadcast station. B) The shorter wave length of the broadcast band tends to re-radiate from the vessel’s structure. C) Many of these stations are inland causing land effect when the…
When using a recording depth finder in the open ocean, what phenomena is most likely to produce a continuous trace that may not be from the actual ocean bottom?
A) Echoes from a deep scattering layer B) Echoes from schools of fish C) Multiple returns reflected from the bottom to the surface and to the bottom again D) Poor placement of the transducer on the hull E)NULL
On the pole side of the trade wind belt, there is an area of high pressure with weak pressure gradients and light, variable winds. This area is called the __________.?
A) prevailing westerlies B) geostrophic winds C) doldrums D) horse latitudes E)NULL
What classification of tropical cyclone would have closed isobars, counter clockwise rotary circulation, and sustained winds between 34 and 63 knots?
A) A tropical disturbance B) A tropical depression C) A tropical storm D) A hurricane E)NULL
Information about temporary, short term changes affecting the safety of navigation in U.S. waters is distributed to navigational interests by the __________.?
A) Daily Memorandum B) HYDROLANT or HYDROPAC broadcasts C) Local Notice to Mariners D) Summary of Corrections E)NULL
A relative bearing is always measured from __________.?
A) true north B) magnetic north C) the vessel’s beam D) the vessel’s head E)NULL
A series of brief showers accompanied by strong, shifting winds may occur along or some distance ahead of a(n) __________.?
A) upper front aloft B) cyclone C) occluded front D) cold front E)NULL