Because of the reflecting properties of a sextant, if the sextant altitude reads 60° on the limb, the actual arc of the limb from 0° to the 60° reading is __________.?
A) 20° B) 30° C) 40° D) 60° E)NULL
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Yesterday your chronometer read 11h 59m 59s at 1200 GMT time tick. Today the chronometer reads 00h 00m 01s at the 1200 GMT tick. What is the chronometer rate?
A) -1s B) +1s C) -2s D) +2s E)NULL
Under the U.S. Aids to Navigation System used on the Western Rivers, aids to navigation lights on the right descending bank show __________.?
A) white or green lights B) white or red lights C) green lights only D) white lights only E)NULL
Your longitude is 179°59’W. The LMT at this longitude is 23h 56m of the 4th day of the month. Six minutes later your position is 179°59’E longitude. Your LMT and date is now __________.?
A) 00h 02m on the 4th B) 00h 02m on the 5th C) 23h 50m on the 5th D) 00h 02m on the 6th E)NULL
An instrument designed to maintain a continuous record of atmospheric pressure is a(n) __________.?
A) mercurial barometer B) aneroid barometer C) barograph D) thermograph E)NULL
The Light List shows that a navigational light has a nominal range of 12 miles and a height above water of 25 feet (7.6 meters). Your height of eye is 38 feet (11.6 meters) and the visibility is 5.5 miles. At what approximate range will you FIRST sight the light?
A) 5.5 miles B) 6.3 miles C) 8.0 miles D) 12.0 miles E)NULL
In which country would you expect the channels to be marked with the IALA-B Buoyage System?
A) Brazil B) Tanzania C) New Zealand D) Norway E)NULL
During the winter months, the southeast trade winds are __________.?
A) stronger than during the summer months B) weaker than during the summer months C) drier than during the summer months D) wetter than during the summer months E)NULL
The period of the Earth’s revolution from perihelion to perihelion is the __________.?
A) astronomical year B) anomalistic year C) solar year D) sidereal year E)NULL
A katabatic wind blows __________.?
A) up an incline due to surface heating B) in a circular pattern C) down an incline due to cooling of the air D) horizontally between a high and a low pressure area E)NULL