A vessel heading NW is on a course of __________.?
A) 274.5° B) 292.5° C) 315.0° D) 337.5° E)NULL
Arşivler Sorular
Some locations maintain a zone time of -13. What are the Greenwich time and date if the zone time and date are 0152, 10 January?
A) 1252, 9 January B) 1452, 9 January C) 0052, 11 January D) 1452, 11 January E)NULL
You are on a vessel at 0400 ZT on 3 July, and the ZD for your position is -8. What is the GMT?
A) 1200, 3 July B) 2000, 3 July C) 1200, 2 July D) 2000, 2 July E)NULL
When making landfall at night, the light from a powerful lighthouse may sometimes be seen before the lantern breaks the horizon. This light is called the __________.?
A) diffusion B) backscatter C) loom D) elevation E)NULL
A chart position enclosed by a semi-circle is a(n) __________.?
A) fix B) estimated position C) dead reckoning position D) running fix E)NULL
Your chart indicates that there is an isolated rock and names the rock using vertical letters. This indicates the __________.?
A) rock is visible at low water springs only B) rock is a hazard to deep draft vessels only C) rock is dry at high water D) exact position of the rock is doubtful E)NULL
A safe water mark may be __________.?
A) vertically striped B) spherical C) showing a white light D) All of the above E)NULL
What would be the height of the tide at Crisfield, MD, at 0310 DST (ZD +4) on 6 May 1983?
A) 0.1 foot B) 0.5 foot C) 1.1 feet D) 1.6 feet E)NULL
The latitude of the upper vertex of a great circle is 36°N. What is the latitude of the lower vertex?
A) 36°N B) 0° C) 36°S D) Cannot be determined from the information given E)NULL
What lights would you see on the Illinois water way when any wickets of the dam or bear traps are open, or partially open, which may cause a set in the current conditions in the upper lock approach?
A) Red over green B) Green over red C) Red over amber (yellow) D) Green over amber (yellow) E)NULL