A light characteristic of composite group flashing indicates that there is a(n) __________.?
A) sharp turn in the channel B) narrowing in the channel at that point C) junction in the channel D) obstruction that must be left to port E)NULL
Soru Kategorisi Güverte
The characteristic of a lighted cardinal mark may be __________.?
A) very quick flashing B) flashing C) fixed D) occulting E)NULL
When trying to sight a lighthouse you notice a glare from a town in the background. The range at which the light may be sighted due to this glare is __________.?
A) considerably reduced B) increased slightly due to extra lighting C) unchanged D) increased if the light is red or green due to contrast with the glare E)NULL
In some parts of the world there is often a slight fall in tide during the middle of the high water period. The effect is to create a longer period of stand at higher water. This special feature is called a(n) __________.?
A) apogean tide B) double high water C) perigean tide D) bore E)NULL
A great circle crosses the equator at 173°E. It will also cross the equator at what other longitude?
A) 7°W B) 73°E C) 73°W D) 173°W E)NULL
In most cases, the direction of the apparent wind lies between the bow and __________.?
A) the direction of the true wind B) true north C) the beam on the windward side D) the beam on the lee side E)NULL
Find the height of the tide at Port Wentworth, GA, on 5 October 1983, at 1840 DST (ZD +4).?
A) 3.0 feet B) 3.5 feet C) 4.0 feet D) 4.4 feet E)NULL
You want to transit Hell Gate, NY on 23 July 1983. What is the period of time around the AM (ZD +4) slack before ebb when the current will be less than 0.3 knot?
A) 0939 to 0957 B) 0943 to 0953 C) 0844 to 0852 D) 0348 to 0356 E)NULL
Sidereal time is used by navigators when __________.?
A) used with the equation of time B) used in the form of LHA Aries C) calculating the time of moonrise D) determining local apparent time E)NULL
When using a radar in an unstabilized mode, fixes are determined most easily from __________.?
A) objects that are close aboard B) ranges C) tangent bearings D) center bearings E)NULL