Pass Benchmark: 70% (21/30) • Standard: USCG NMC / 46 CFR
USCG General Navigation (Set 12)
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Question 1 of 30
If your vessel were proceeding up river (ascending), the port side of the channel would be marked according to the U. S. Aids to Navigation System on the Western Rivers by __________.
Browse Questions in Set 12
30 MCQs #1 If your vessel were proceeding up river (ascending), the port side of the channel would be marked according to the U. S. Aids to Navigation System on the Western Rivers by __________. #2 Under the U.S. Aids to Navigation System on the Western Rivers, the buoys marking the starboard side of the channel when going upstream will be __________. #3 Which item in illustration D034NG below shows a Morse (A) light? #4 The Light List shows that a navigational light has a nominal range of 18 miles and a height above water of 22 feet (6.7 meters). Your height of eye is 16 feet (4.9 meters) and the visibility is 2.0 miles. At which approximate range will you first sight the light? #5 What daymark has NO lateral significance? #6 The Light List indicates that a dayboard is a type MR. You should __________. #7 Entering from seaward, triangular-shaped daymarks are used to mark __________. #8 Daymarks marking the starboard side of the channel when going towards the sea are __________. #9 The Light List indicates that a dayboard is a type NB. You should __________. #10 The Light List indicates that a dayboard is a type TR-SY. You should __________. #11 Which type of daymark is used to mark the port side of the channel when entering from sea? #12 Which type of daymark is used to mark the starboard side of the channel when entering from sea? #13 What feature(s) of a daymark is (are) used to identify the beacon upon which it is mounted? #14 You are in a channel inbound from sea. A daymark used to mark a channel junction, when the preferred channel is to port will have the shape indicated by what letter in illustration D045NG below? #15 In illustration D045NG below, a green-and-red banded daymark, with the uppermost band green, will have which of the following shapes? #16 In illustration D045NG below, which shape is a daymark warning of danger? #17 You are in a channel inbound from sea. A daymark used to mark a channel junction when the preferred channel is to starboard will have the shape indicated by what letter in illustration D045NG below? #18 A daymark used to indicate the safe water in a channel will have which of the shapes shown in illustration D045NG below? #19 The channel under a bridge is marked with lights of the lateral system. The centerline of the channel shall be marked on the bridge by __________. #20 A daymark used as a special mark is indicated by which letter in illustration D045NG below? #21 Under the U.S. Aids to Navigation System on the Western Rivers, a daymark on the right descending bank will __________. #22 Under the U.S. Aids to Navigation System on the Western Rivers, passing daymarks on the right descending bank are __________. #23 While proceeding downriver (descending) you sight a red diamond-shaped panel with small, red reflector squares in each corner on the left bank. Under the U.S. Aids to Navigation System on the Western Rivers this is a __________. #24 While proceeding downriver, you sight a red triangular-shaped daymark on the left bank. Under the U.S. Aids to Navigation System on the Western Rivers this is a __________. #25 What indicates a dual purpose buoy? #26 A green buoy has a yellow triangle on it. This is a(n) __________. #27 Drawbridges equipped with radiotelephones display a __________. #28 The dumping of refuse in a lock is permitted __________. #29 The following types of vessels are awaiting lockage on the upper Mississippi. Which type of vessel is normally passed through the lock first? #30 In order to utilize the capacity of a lock to its maximum, pleasure craft are locked through with all of the following EXCEPT __________.
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