The buoy indicated by the letter A in illustration D044NG is a __________.?
A) nun B) can C) spar D) pillar E)NULL
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If a towboat requires a double lockage it shall give which sound signal at a distance of not more than one mile from the lock?
A) One short blast followed by two long blasts B) One long blast followed by one short blast C) Two long blasts followed by one short blast D) One long blast followed by two short blasts E)NULL
A white buoy with an orange rectangle on it displays __________.?
A) directions B) dangers C) exclusion areas D) All of the above E)NULL
On 5 March 1983, at 0630 EST (ZD +5), what will be the predicted height of tide at Ocracoke, Ocracoke Inlet, NC?
A) 0.1 foot B) 1.2 feet C) 1.9 feet D) 2.3 feet E)NULL
The steepness of a cold front depends on __________.?
A) the direction of wind around the front B) its velocity C) the temperature of the air behind the front D) the precipitation generated by the front E)NULL
What daymark has NO lateral significance?
A) Red triangle B) Red triangle with a green horizontal stripe C) Green and white diamond D) Green square E)NULL
The lubber’s line of a magnetic compass __________.?
A) always shows true north direction B) indicates the vessel’s heading C) is always parallel to the vessel’s transom D) is located on the compass card E)NULL
A deadhead is a(n) __________.?
A) tree or log awash in a nearly vertical position B) crew member who refuses to work C) upstream end of a land wall D) buoy that is adrift E)NULL
You are heading out to sea in a buoyed channel and see a quick-flashing green light on a buoy ahead of you. In U.S. waters, you should leave the buoy __________.?
A) well clear on either side B) about 50 yards off on either side C) to port D) to starboard E)NULL
What is true about a front?
A) It is a boundary between two air masses. B) There are temperature differences on opposite sides of a front. C) There are abrupt pressure differences across a front. D) All of the above E)NULL