The drift and set of tidal, river, and ocean currents refer to the __________.?
A) position and area of the current B) speed and direction toward which the current flows C) type and characteristic of the current’s flow D) None of the above E)NULL
A) position and area of the current B) speed and direction toward which the current flows C) type and characteristic of the current’s flow D) None of the above E)NULL
A) the channel boundaries B) that vessels must stop C) the bridge is about to open D) that traffic is approaching from the other side E)NULL
A) horizontally banded buoys B) vertically striped buoys C) yellow buoys D) spherical buoys E)NULL
A) The buoy is off station and should be ignored as a navigational mark. B) The waterway in that area has shoaled and the available depth of water is less than the project depth. C) ICW traffic should not proceed…
A) temperature B) density C) deflection D) speed E)NULL
A) 0.3 knot B) 0.5 knot C) 0.7 knot D) 1.0 knot E)NULL
A) on the prime vertical B) on the celestial horizon C) at lower transit D) on the Greenwich meridian E)NULL
A) A B) B C) C D) D E)NULL
A) rising air currents produced by the warm islands B) warm air from the sea rising over higher land areas C) cool land air mixing with warm sea air D) descending air over the islands E)NULL
A) glare from background lighting B) existing visibility conditions C) elevation of the light D) observer’s height of eye E)NULL