Pass Benchmark: 70% (21/30) • Standard: USCG NMC / 46 CFR
USCG General Navigation (Set 24)
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Question 1 of 30
If a weather bulletin shows the center of a low pressure system to be 100 miles due east of you, what winds can you expect in the Southern Hemisphere?
Browse Questions in Set 24
30 MCQs #1 If a weather bulletin shows the center of a low pressure system to be 100 miles due east of you, what winds can you expect in the Southern Hemisphere? #2 While navigating in fog off a coastline of steep cliffs, you hear the echo of the ships fog horn 6 seconds after the signal was sounded. What is the distance to the shore? #3 There are seven sources of error in the marine sextant. Of the four errors listed, which one is adjustable? #4 When using an ARPA, what should you consider in order to evaluate the information displayed? #5 You can follow the approach of a dangerous cyclonic storm by inspecting __________. #6 What benefit is a weather bulletin to a mariner? #7 From which type of cloud can a tornado or waterspout develop? #8 Cumulonimbus clouds can produce __________. #9 An aneroid barometer on a boat should always be __________. #10 A radar display which is oriented, so that north is always at the top of the screen, is called a(n) __________. #11 In the Northern Hemisphere you are caught in the dangerous semicircle of a storm with plenty of sea room available. The best course of action is to bring the wind on the __________. #12 Yesterday you took a time tick using the 1200 GMT broadcast, and the chronometer read 11h 59m 59s. Today at the 1200 GMT time tick the chronometer read 00h 00m 01s. What is the chronometer error? #13 Which of the following is NOT a form of precipitation? #14 In illustration D039NG below, what type of cloud is indicated by the number one? #15 What causes the error of collimation with regards to the four adjustments to a sextant? #16 When using a mechanical (windup type) marine chronometer, how often should it be reset? #17 Yesterday your chronometer read 03h 01m 56s at the 1500 GMT time tick. Today your chronometer read 03h 01m 54s at the 1500 GMT time tick. What is the chronometer rate? #18 When using the radar for navigating __________. #19 The climate of the northern Gulf coast __________. #20 You can expect frontal activity when two air masses collide and __________. #21 Prevailing winds between 30°N and 60°N latitude are from the __________. #22 Yesterday your chronometer read 11h 59m 58s at the 1200 GMT time tick. Today your chronometer reads 12h 00m 00s at the 1200 time tick. What is the chronometer rate? #23 You are approaching a sea buoy which emits a racon signal. This signal is most frequently triggered by which type of radar? #24 Which condition suggests that your present position lies in the navigable semicircle of a tropical storm? #25 Yesterday your chronometer read 03h 01m 56s at the 1500 GMT time tick. Today your chronometer read 03h 01m 58s at the 1500 GMT time tick. What is the chronometer error? #26 Yesterday your chronometer read 02h 59m 58s at the 1500 GMT time tick. Today the chronometer reads 03h 00m 02s at the 1500 GMT time tick. What is the chronometer error? #27 What is a nonadjustable error of the sextant? #28 When drawing a weather map and an isobar crosses a front, the isobar is drawn __________. #29 Which condition indicates that you are in a hurricane's dangerous semicircle in the Northern hemisphere? #30 On the pole side of the high pressure belt in each hemisphere, the pressure diminishes. The winds along these gradients are diverted by the Earth's rotation toward the east and are known as the __________.
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