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

USCG General Navigation (Set 28)

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Question 1 of 30

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Question 1 of 30

A tsunami is caused by a(n) __________.

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30 MCQs

#1 A tsunami is caused by a(n) __________. #2 What enables you to estimate the bearing of a storm's center? #3 Which information must automatic identification systems (AIS) automatically provide to appropriately equipped shore stations, vessels and aircraft? #4 You have determined that you are in the right semicircle of a tropical cyclone in the Northern Hemisphere. What action should you take to avoid the storm? #5 Which statement describes the prevailing wind direction in mid-winter in the Gulf Coast area? #6 Electronic Plotting Aid (EPA) has which built in functions? #7 Apparent wind speed blowing across your vessel while underway can be measured by a(n) __________. #8 How many targets can an Electronic Plotting Aid (EPA) track at the same time? #9 That half of the hurricane to the right hand side of its track (as you face the same direction that the storm is moving) in the Northern Hemisphere is called the __________. #10 In the Northern hemisphere which semicircle of a hurricane is the navigable semicircle? #11 When using an echo sounder in deep water, it is NOT unusual to __________. #12 An air mass that has moved down from Canada would most likely have the symbols __________. #13 The intensity of a hurricane as it reaches higher latitudes and cooler waters __________. #14 The navigable semicircle of a hurricane in the Northern Hemisphere is that area of the storm measured __________. #15 When using an Electronic Plotting Aid (EPA), what should you consider in order to evaluate the information displayed? #16 In the Northern Hemisphere, what type of cloud formations would you expect to see to the west of an approaching tropical wave? #17 Atmospheric pressure may be measured with a(n) __________. #18 A Doppler log in the volume reverberation mode indicates __________. #19 Static on your AM radio may be __________. #20 What is the average speed of movement of a hurricane prior to recurvature? #21 The velocity of the apparent wind can be more than the true wind, and come from the same direction, if certain conditions are present. One condition is that the __________. #22 Weather systems in the middle latitudes generally travel from __________. #23 Using the surface analysis in illustration D049NG below, what change in the wind direction could be expected at position "D" if the low were moving northeasterly? #24 Tropical cyclones do not form within 5° of the Equator because __________. #25 Which of the following statements is TRUE regarding automatic identification systems (AIS)? #26 The strongest winds and heaviest rains in a hurricane are found in the __________. #27 Which of the following statements is TRUE regarding automatic identification systems (AIS)? #28 Plain language is usually used on marine weather __________. #29 What indicates the arrival of a hurricane within 24 to 36 hours? #30 Which of the following statements is TRUE regarding automatic identification systems (AIS)?

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