A yellow buoy may exhibit a(n) __________.?
A) fixed red light B) flashing light C) white light D) occulting light E)NULL
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You are approaching a swing bridge at night. You will know that the bridge is open for river traffic when __________.?
A) the fixed, green light starts to flash B) the amber light changes to green C) the red light is extinguished D) the red light changes to green E)NULL
Your vessel is leaving New York harbor in dense fog. As the vessel slowly proceeds toward sea, you sight a green can buoy on the starboard bow. Which action should you take?
A) Turn hard right to get back into the channel. B) Pass the buoy close to, leaving it to your port. C) Stop and fix your position. D) Stand on, leaving the buoy to your starboard. E)NULL
During the month of October the Sun’s declination is __________.?
A) north and increasing B) north and decreasing C) south and increasing D) south and decreasing E)NULL
A first magnitude star is __________.?
A) 2.5 times as bright as a second magnitude star B) 3 times as bright as a second magnitude star C) 5 times as bright as a second magnitude star D) 10 times as bright as a second magnitude star…
The term “Western Rivers,” when it refers to regulations requiring towing vessels to carry navigational-safety equipment, charts or maps, and publications, includes the _____________ .?
A) Mississippi River and its tributaries B) Port Allen – Morgan City Alternate Route C) Red River and the Old River D) All of the above E)NULL
A vertex of the navigational triangle is NOT located at the __________.?
A) elevated pole B) celestial body C) zenith D) coaltitude E)NULL
What is an ebb current?
A) A current at minimum flow B) A current coming in C) A current going out D) A current at maximum flow E)NULL
Which is NOT a contributing cause of ocean currents?
A) Surface winds B) Density differences in the water C) Underwater topography D) Gravitational effects of celestial bodies E)NULL
The place where a channel moves from along one bank of the river over to the other bank of the river is called a __________.?
A) draft B) cutoff C) draw D) crossing E)NULL