The deckhand rating for crew jobs on ships, ferries and offshore boats. Coast Guard exam code AB01.
90 real questions from the Coast Guard National Maritime Center's public sample exams, free. Each module needs 70% to pass.
If two sailing vessels are running free with the wind on the same side, which one must keep clear of the other?
- A.The one with the wind closest abeam
- B.The one to windward
- C.The one to leeward
- D.The one with the wind closest astern
Show answer
B. The one to windward
Q100, Rules of the Road: International & Inland
Which of the following is a rope ladder with wooden rungs?
- A.A life ladder
- B.A Jacob's ladder
- C.A jury ladder
- D.A drop ladder
Show answer
B. A Jacob's ladder
Q160, Deck General
Which is TRUE concerning compass error?
- A.Compass error is the difference between true and magnetic heading
- B.Compass error is variation plus compass course
- C.Compass error is the sum of variation and deviation
- D.Compass error is equal to deviation minus variation
Show answer
C. Compass error is the sum of variation and deviation
Q171, Navigation General: Near Coastal
What effect does lifting the shank of a Stockless anchor that is set on the bottom have?
- A.The probability of fouling the chain increases
- B.The flukes will break free of the bottom
- C.The probability of fouling the chain decreases
- D.The flukes will dig deeper increasing the holding power
Show answer
B. The flukes will break free of the bottom
Q160, Deck General
When navigating in thick fog with the radar on, which action should you take?
- A.Station a look-out as low down and far forward as possible
- B.Station the look-out in the wheelhouse to keep a continuous watch on the radar
- C.Secure the sounding of fog signals until a vessel closes within five miles
- D.Keep the radar on the shortest available range for early detection of approaching vessels
Show answer
A. Station a look-out as low down and far forward as possible
Q300, Rules of the Road: Inland
Fueling results in the collection of waste oil in drip pans and containers. Which is an approved method of disposing of the waste oil?
- A.Draining it overboard when the vessel gets underway
- B.Adding sinking agents and discharging it into the water
- C.Discharge to a proper reception facility
- D.Mixing it with dispersants before draining it overboard
Show answer
C. Discharge to a proper reception facility
Q160, Deck General
In open waters, a vessel fishing is in a crossing situation with a vessel sailing. The sailing vessel is located on the fishing vessel's starboard side. Which vessel is the stand-on vessel?
- A.The fishing vessel because it is to port of the sailing vessel
- B.The sailing vessel because it is sailing
- C.The fishing vessel because it is fishing
- D.The sailing vessel because it is to starboard of the fishing vessel
Show answer
C. The fishing vessel because it is fishing
Q300, Rules of the Road: Inland
You are on a ship that has broken down and are preparing to be taken in tow. You will use your anchor cable as part of the towline. Which statement is TRUE?
- A.The strain of the tow is taken by the riding pawl, chain stopper, and anchor windlass brake.
- B.The anchor cable should be led out through a chock, if possible, to avoid a sharp nip at the hawsepipe lip.
- C.The anchor cable should be veered enough to allow the towline connection to be just forward of your bow.
- D.The anchor cable should be veered enough to allow the towline connection to be immediately astern of the towing vessel.
Show answer
A. The strain of the tow is taken by the riding pawl, chain stopper, and anchor windlass brake.
Q161, Deck Safety
Which of the following is TRUE of a distress signal?
- A.Consists of 5 or more short blasts of the fog signal apparatus
- B.Is used to indicate doubt about another vessel's intentions
- C.May be used separately or with other distress signals
- D.Consists of the raising and lowering of a large white flag
Show answer
C. May be used separately or with other distress signals
Q300, Rules of the Road: Inland
What statement about immersion suits is TRUE?
- A.Immersion suits should be worn while performing routine work on deck.
- B.No stowage container for immersion suits may be capable of being locked.
- C.Any tear or leak will render the suit unserviceable, and it must be replaced.
- D.During the annual maintenance, the front zipper should be lubricated using light machine oil or mineral oil.
Show answer
B. No stowage container for immersion suits may be capable of being locked.
Q161, Deck Safety