The doldrums are characterized by __________.?
A) steady, light to moderate winds B) frequent calms C) clear skies D) low humidity E)NULL
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A time diagram is a diagram on the plane of the __________.?
A) celestial meridian B) celestial equator C) celestial horizon D) principal vertical circle E)NULL
Under the IALA Buoyage Systems, a cardinal mark may NOT be used to __________.?
A) indicate that the deepest water in an area is on the named side of the mark B) indicate the safe side on which to pass a danger C) draw attention to a feature in the channel such as a…
What is characteristic of an occulting light?
A) 1 sec. flash, 2 sec. eclipse, 1 sec. flash, 5 sec. eclipse B) 5 sec. flash, 5 sec. eclipse C) 4 sec. flash, 2 sec. eclipse, 3 sec. flash, 2 sec. eclipse D) 6 sec. flash, 6 sec. eclipse…
When using the radar for navigating __________.?
A) the best fix is obtained by using a tangent bearing and a range B) and using two radar ranges for a fix, the objects of the ranges should be close to reciprocal bearings C) and using ranges, the most…
The Light List indicates that a light has a nominal range of 20 miles and is 52 feet high. If the visibility is 12.0 miles and your height of eye is 20 feet, at what approximate distance will you sight the light?
A) 21.5 miles B) 20.0 miles C) 13.7 miles D) 12.0 miles E)NULL
The LMT of LAN is 1210. Your longitude is 70°30’E. Which time would you use to enter the Nautical Almanac to determine the declination of the Sun at LAN?
A) 1842 B) 1652 C) 728 D) 652 E)NULL
The rate of increase in hour angle is the slowest for __________.?
A) the Sun B) the Moon C) Mars D) Mercury E)NULL
Which statement is TRUE concerning a Mercator projection?
A) Degrees of longitude decrease in length as latitude increases. B) The length of the meridians is increased to provide for equal expansion in all directions. C) The mileage between the meridians is increased as the latitude increases. D) All…
What does not contribute to the commercial GPS receiver position error?
A) Satellite clock B) Ship’s speed C) Atmospheric/ionospheric propagation D) Receiver E)NULL