Quadrantal error in a gyrocompass has its GREATEST effect __________.?
A) in high latitudes B) near the equator C) on north or south headings D) on intercardinal headings E)NULL
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If it is impossible to avoid a hurricane in the Northern Hemisphere, the most favorable place to be when the storm passes is in __________.?
A) the dangerous semicircle B) the eye (center) of the storm C) that half of the storm lying to the right of the storm’s path D) that half of the storm lying to the left of the storm’s path E)NULL
The vertical component of the Earth’s magnetic field causes induced magnetism in vertical soft iron. This changes with latitude. What corrects for this coefficient of the deviation?
A) The Flinders bar B) The heeling magnet C) Quadrantal soft iron spheres D) Bar magnets in the binnacle E)NULL
A double star is a star that __________.?
A) has a declination equal to twice that of the Sun B) comprises two stars that appear close together C) is twice as bright as a single star D) suddenly becomes much brighter and then fades E)NULL
The dividing meridian between zone descriptions -10 and -11 is __________.?
A) 135°30’E B) 145°00’E C) 150°00’E D) 157°30’E E)NULL
The charted depth alongside the south face of Mystic Pier, Charlestown, MA, is 35 feet. Your maximum draft is 38 feet. You wish to have 2 feet under the bottom, on a rising tide, when you go alongside to discharge a heavy lift. What is the earliest time after 0900 EST (ZD +5), on 2 February 1983, that you can dock?
A) 1020 B) 1050 C) 1120 D) 1150 E)NULL
The total magnetic effects which cause deviation of a vessel’s compass can be broken down into a series of components which are referred to as __________.?
A) divisional parts B) coefficients C) fractional parts D) equations E)NULL
A polyconic projection is based on a __________.?
A) plane tangent at one point B) cylinder tangent at one parallel C) cone tangent at one parallel D) series of cones tangent at selected parallels E)NULL
If your vessel were proceeding down river (descending), a green square marker with a green reflector border on the right bank would be a __________.?
A) mile board B) dredging mark C) passing daymark D) crossing daymark E)NULL
In the horizon system of coordinates what is equivalent to the declination of the equator system?
A) Nadir B) Azimuth angle C) Altitude D) Zenith distance E)NULL