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

USCG General Navigation (Set 29)

30:00

|

Question 1 of 30

Question Navigator

Correct Incorrect Pending Starred

Question 1 of 30

The Earth's irregular heating is caused by __________.

Browse Questions in Set 29

30 MCQs

#1 The Earth's irregular heating is caused by __________. #2 What will cause the ARPA to emit a visual alarm, audible alarm, or both? #3 Your ARPA has been tracking a target and has generated the targets course and speed. The radar did not receive a target echo on its last two scans due to the weather. What should you expect under these circumstances? #4 Vessels required to have an Automatic Radar Plotting Aid must have a device to indicate the __________. #5 In the Northern Hemisphere a wind is said to veer when the wind __________. #6 The first cloud formations you can use to indicate the bearing of the center of a hurricane or tropical storm are __________. #7 Which ARPA data should you use in order to determine if a close quarters situation will develop with a target vessel? #8 While taking weather observations, you determine that the wind is coming from the west. In the weather log, you would record the wind direction as __________. #9 Which weather element cannot be measured accurately while on board a moving vessel? #10 The ARPA may swap targets when automatically tracking if two targets __________. #11 Ocean swells originating from a typhoon can move ahead of it at speeds near __________. #12 What should you expect when you encounter a tsunami in the open ocean? #13 You are enroute from Puerto Rico to New York. A hurricane makes up and is approaching. If the wind veers steadily, this indicates that your vessel is __________. #14 A mercurial barometer at sea is subject to rapid variations in height ("pumping") due to the pitch and roll of the vessel. To avoid this error, measurements of atmospheric pressure at sea are usually measured with a(n) __________. #15 A steep barometric gradient indicates __________. #16 Your ARPA has two guard zones. What is the purpose of the inner guard zone? #17 When using the ARPA in heavy rain, which action should you take? #18 If the electronic chart is part of an ECDIS, it must display the minimum data required by IMO/IHO, to include all of the following EXCEPT __________. #19 Which of the following must the electronic chart of an ECDIS display, as required by IMO/IHO? #20 ECDIS units incorporate Digital Chart Data Formats, which include __________. #21 Raster-scan chart data is __________. #22 Which of the following are data layer categories to be displayed on ECDIS? #23 All echo-sounders can measure the __________. #24 Which of the following data layer categories is NOT displayed on ECDIS? #25 Coral atolls, or a chain of islands at right angles to the radar beam, may show as a long line rather than as individual targets due to __________. #26 Which meteorological feature controls the climate of the Gulf and the Gulf Coast area during late spring and summer? #27 The eye of a hurricane is surrounded by dense black cumulonimbus clouds which are called the __________. #28 In the Northern Hemisphere, if your vessel is in a hurricane's navigable semicircle it should be positioned with the wind on the __________. #29 Your Electronic Plotting Aid (EPA) has two guard zones. What is the purpose of the inner guard zone? #30 An ECDIS is required to display which information?

Question Discussion & Notes

0

Have a doubt, memory trick, or exam update? Share your insights with fellow mariners.

Loading mariner discussions...