Pass Benchmark: 70% (21/30) • Standard: USCG NMC / 46 CFR

USCG General Navigation (Set 55)

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Question 1 of 30

What is the equivalent of 42 min. 48 sec. in arc units?

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#1 What is the equivalent of 42 min. 48 sec. in arc units? #2 With respect to the vernal equinox, what is the length of the year? #3 A sidereal day is shorter than a solar day. This difference is due to __________. #4 A sidereal day is approximately how much shorter than a solar day? #5 The lunar day is __________. #6 Sidereal time is NOT used __________. #7 Universal time (UTI) is another name for __________. #8 Local sidereal time is equal to the __________. #9 The tropical year differs from which year by 20 minutes? #10 The standard meridian for the time zone +1 is __________. #11 The standard time meridian for zone description -1 is __________. #12 The dividing meridian between zone descriptions -2 and -3 is __________. #13 The dividing meridian between zone descriptions +7 and +8 is __________. #14 The dividing meridian between zone descriptions +4 and +5 is __________. #15 A ship is in longitude 54°00'W on a true course of 090°. The ship's clocks are on the proper time zone. At what longitude should the clocks be changed to maintain the proper zone time? #16 The standard time meridian for description +12 is __________. #17 The dividing meridian between zone descriptions -7 and -8 is __________. #18 The dividing meridian between zone descriptions -10 and -11 is __________. #19 The sidereal day begins __________. #20 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 __________. #21 The LMT of sunrise on the standard meridian is 0552. Your longitude is 99°15'E. What is your ZT of sunrise? #22 The change in the length of day becomes greater as latitude increases because of the __________. #23 Which condition exists at the summer solstice in the Northern Hemisphere? #24 The mean sun used to measure time moves __________. #25 Daylight savings time is a form of zone time that adopts the time __________. #26 Which statement(s) is/are TRUE concerning radio equipment on towing vessels of 26 feet or more in length? #27 When the owner or Master inspects his/her towing vessel before embarking on a voyage of more than 24 hours, he/she must check all terminal gear EXCEPT __________. #28 Your vessel will be entering the navigable waters of the United States. You are required by regulations to __________. #29 The term "Western Rivers," when it refers to regulations requiring towing vessels to carry navigational-safety equipment, charts or maps, and publications, includes the __________. #30 You are in a channel in U.S. waters near an industrial plant with a load/discharge facility for barges. You see an emergency rotating flashing light on the facility light up. What does this indicate?

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