Pass Benchmark: 70% (21/30) • Standard: USCG NMC / 46 CFR
USCG General Navigation (Set 8)
30:00
|Question 1 of 30
Question Navigator
Correct Incorrect Pending Starred
Question 1 of 30
An occulting light is one in which __________.
Browse Questions in Set 8
30 MCQs #1 An occulting light is one in which __________. #2 Lighted information markers show __________. #3 In illustration D044NG below, what type of buoy is indicated by the letter A? #4 Clearance gauges at bridges indicate __________. #5 In the IALA Maritime Buoyage System, what is a red and white vertically-striped buoy used to indicate? #6 Buoys and day beacons exhibiting a yellow triangle or square painted on them are used __________. #7 In illustration D044NG below, what type of buoy is indicated by the letter D? #8 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? #9 You are downbound approaching a lock and see 3 green lights in a vertical line. This indicates __________. #10 When using a Lambert conformal chart in high latitudes, angles such as bearings are measured in reference to __________. #11 The Light List shows a lighted aid to navigation on the left bank. This means that the light can be seen on the port side of a vessel __________. #12 A daymark used to indicate the starboard side of the channel when approaching from seaward will have the shape indicated by what letter in illustration D045NG below? #13 In which country would you expect the channels to be marked with the IALA-B Buoyage System? #14 You are upbound approaching a lock and dam and see two green lights in a vertical line. This indicates __________. #15 In which country would you expect the channels to be marked with the IALA-B Buoyage System? #16 An orange and white buoy marking an area where operating restrictions are in effect will be marked with which symbol? #17 Which navigational mark may only be lettered? #18 Under the U.S. Aids to Navigation System, a lighted buoy with a spherical topmark marks __________. #19 You are in a buoyed channel at night and pass a lighted buoy with an irregular characteristic. You should report this to the __________. #20 You are steaming southward along the west coast of the United States when you sight a buoy showing a flashing green light. How should you pass this buoy? #21 What is characteristic of an occulting light? #22 The IALA Buoyage Systems do NOT apply to __________. #23 In illustration D045NG below, what two shapes shown are used to indicate a preferred channel? #24 The four standard light colors used for lighted aids to navigation are red, green, white, and __________. #25 A chart with a natural scale of 1:160,000 is classified as a __________. #26 You are approaching an open drawbridge and sound the proper signal. You receive no acknowledgment from the bridge. Which action should you take? #27 The Coast Guard Captain of the Port has excluded all traffic from a section of a port, while a regatta is taking place. The buoys marking this exclusion area will be __________. #28 Navigational marks used for informational or regulatory purposes are __________. #29 A white buoy with an open-faced orange diamond on it indicates __________. #30 The scale on a chart is given as 1:5,000,000. This means that __________.
Question Discussion & Notes
0Have a doubt, memory trick, or exam update? Share your insights with fellow mariners.
Loading mariner discussions...