Pass Benchmark: 70% (21/30) • Standard: USCG NMC / 46 CFR
USCG General Navigation (Set 50)
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Question 1 of 30
Vessels regularly navigating Ohio and Mississippi rivers above Cairo, Illinois, and their tributaries, shall at all times have on board a copy of __________.
Browse Questions in Set 50
30 MCQs #1 Vessels regularly navigating Ohio and Mississippi rivers above Cairo, Illinois, and their tributaries, shall at all times have on board a copy of __________. #2 You take a bearing of 191° and 313° to two objects. Which bearing of a third object will give the best fix? #3 A towing vessel is NOT required to be fitted with radar if it is __________. #4 Astronomical refraction causes a celestial body to appear __________. #5 A celestial body's complete orbit around another body is __________. #6 During daylight savings time the meridian used for determining the time is located farther __________. #7 "Revolution" is the __________. #8 "Space motion" is the __________. #9 The approximate positions of the stars are based on sidereal time, which is based upon rotation of the Earth relative to __________. #10 Which towing vessel(s) is/are exempt from carrying radar? #11 The motion of celestial bodies relative to other celestial bodies is known as __________. #12 The radius of a circle of equal altitude for a body equals the body's __________. #13 The Sun is closest to the Earth in what month? #14 Perihelion is the point where the Sun __________. #15 Which is TRUE of a downbound power-driven vessel, when meeting an upbound vessel on the Western Rivers? #16 What is the relative bearing of an object broad on the port beam? #17 Aphelion is the point where the Sun __________. #18 The Sun's center is coincident with the principal vertical circle when __________. #19 During the month of October the Sun's declination is __________. #20 The equator is __________. #21 What is the equivalent of 4 min. 04 sec. in arc units? #22 The point where the Sun is at maximum declination north or south is __________. #23 Which information is NOT required to be posted in or near the wheelhouse? #24 You are on a vessel at 0400 ZT on 3 July, and the ZD for your position is -8. What is the GMT? #25 A body can only be observed at lower transit when __________. #26 How many fixed objects are needed to plot a running fix? #27 The difference between local apparent time (LAT) and local mean time (LMT) is indicated by the __________. #28 The autumnal equinox is the point where the Sun is at __________. #29 The summer solstice is the point where the Sun is at __________. #30 The Moon is subject to four types of libration. Which of the following is NOT one of these types of libration?
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