U.S.C.G. Merchant Marine Exam Able Seaman Unlimited ...

1 National Maritime Center Serving Our Nation s Mariners Merchant Marine Exam Able Seaman Unlimited , Limited, Special, Special OSV, Sail, fishing Industry Q451 Deck General Safety (Sample Examination) Page 1 of 14 Q451 Deck General Safety7/29/2021Q451 Deck General - Safety Merchant Marine Exam Able Seaman Unlimited , Limited, Special, Special OSV, Sail, fishing Industry Illustrations: 3 Choose the best answer to the following Multiple Choice Questions. 1. The boom indicator tells the operator at what angle the boom is compared to the _____. o (A) vertical position of the load being lifted o (B) horizontal position of the load being lifted o (C) vertical position of the boom (D) horizontal position of the boom If choice D is selected set score to 1. 2. During oil transfer operations, who is responsible for ensuring that the posted transfer procedures are followed?

2 O (A) The oiler o (B) The tankerman o (C) The senior able Seaman (D) The designated person in charge If choice D is selected set score to 1. 3. A common class of wire rope is the 6X37 class. What does the 37 represent? o (A) Tensile strength of the wire (B) Number of wires per strand o (C) Number of strands per wire rope o (D) Number of wires in the inner core If choice B is selected set score to 1. 4. Which of the signals listed is required to be displayed during the day while bunkering? o (A) A yellow flag o (B) A red and yellow flag (C) A red flag o (D) A red light If choice C is selected set score to 1. 5. What part of the ground tackle is the most likely to develop fractures due to extensive anchor use? (A) Anchor Ring o (B) Swivel o (C) Anchor shank o (D) Fluke If choice A is selected set score to 1. Page 2 of 14 Q451 Deck General Safety7/29/2021Q451 Deck General - Safety Merchant Marine Exam Able Seaman Unlimited , Limited, Special, Special OSV, Sail, fishing Industry Illustrations: 3 6.

3 What is the FIRST action to take if you detect oil around your tank vessel while discharging petroleum products? o (A) Try to find out where the oil is coming from o (B) Have the pumpman check the discharge piping (C) Shut down operations o (D) Call the Master If choice C is selected set score to 1. 7. Which statement concerning an accidental oil spill in the navigable waters of the is TRUE? o (A) A warning broadcast must be made by radiotelephone. o (B) The Department of Interior is responsible for the cleanup of the spill. (C) The person in charge must report the spill to the Coast Guard. o (D) The Corps of Engineers is responsible for the cleanup of the spill. If choice C is selected set score to 1. 8. How is the Master or operator of a vessel required to keep the crew informed of the regulations concerning the discharging of garbage overboard? o (A) Call an all hands meeting before sailing.

4 O (B) Give each crewmember a copy of ANNEX V of MARPOL. (C) Keep placards prominently posted. o (D) Have each person read and sign a copy of the regulations. If choice C is selected set score to 1. 9. Which device is designed to automatically hold the load if power should fail to an electric winch? o (A) Pneumatic brake o (B) Motor controller o (C) Hand brake (D) Electromagnetic brake If choice D is selected set score to 1. 10. What is the name of tackle number 2 as shown in illustration D029DG below? o (A) Whip o (B) Onefold purchase o (C) Single purchase (D) Gun tackle If choice D is selected set score to 1. Page 3 of 14 Q451 Deck General Safety7/29/2021Q451 Deck General - Safety Merchant Marine Exam Able Seaman Unlimited , Limited, Special, Special OSV, Sail, fishing Industry Illustrations: 3 11. What type of knot in illustration D030DG below is indicated by the Letter "E"?

5 O (A) Bowline on a bight o (B) Blackwall hitch (C) Timber and half hitch o (D) Stopper hitch If choice C is selected set score to 1. 12. How should a patient suffering from heat exhaustion be treated? o (A) Kept standing and encouraged to walk slowly and continuously (B) Moved to a cool room and told to lie down o (C) Given a glass of water and told to return to work after 15 minutes of rest o (D) Given a stimulant to increase blood flow to the brain If choice B is selected set score to 1. 13. The most likely time for oil pollution while bunkering is when _____. (A) final topping off is occurring o (B) first starting to receive fuel o (C) hoses are disconnected and being capped o (D) hoses are being blown down If choice A is selected set score to 1. 14. "Herringbone" is a term associated with which activity? o (A) Mooring o (B) Splicing (C) Sewing o (D) Anchoring If choice C is selected set score to 1.

6 15. Fueling results in the collection of waste oil in drip pans and containers. Which is an approved method of disposing of the waste oil? o (A) Draining it overboard when the vessel gets underway o (B) Adding sinking agents and discharging it into the water (C) Discharge to a proper reception facility o (D) Mixing it with dispersants before draining it overboard If choice C is selected set score to 1. Page 4 of 14 Q451 Deck General Safety7/29/2021Q451 Deck General - Safety Merchant Marine Exam Able Seaman Unlimited , Limited, Special, Special OSV, Sail, fishing Industry Illustrations: 3 16. In small craft terminology, which term is used to identify all of the anchor gear between a boat and her anchor? o (A) The chock (B) The rode o (C) The stock o (D) The scope If choice B is selected set score to 1. 17. When oil is accidentally discharged into the water, what should you do after reporting the discharge?

7 (A) Contain the oil and remove as much of it as possible from the water. o (B) Throw chemical agents on the water to disperse the oil. o (C) Throw sand on the water to sink the oil. o (D) Obtain your permit from the Corps of Engineers If choice A is selected set score to 1. 18. You have arrived at your anchorage location. You have put the engines astern prior to letting go the anchor. How will you know when the vessel has stopped making way? o (A) An azimuth bearing on the beam remains steady (B) The backwash of the propeller reaches amidships o (C) The ship's Doppler log reads zero o (D) All of the above If choice B is selected set score to 1. 19. Fire hose should be washed with _____. o (A) salt water and a wire brush o (B) a holystone o (C) caustic soap (D) mild soap and fresh water If choice D is selected set score to 1. 20. Which statement is FALSE regarding the operation of a crane?

8 O (A) The crane jib is raised and lowered by the luffing winch. (B) The cargo block is raised and lowered by the luffing winch. o (C) The cargo block is raised and lowered by the hoisting winch. o (D) None of the above If choice B is selected set score to 1. Page 5 of 14 Q451 Deck General Safety7/29/2021Q451 Deck General - Safety Merchant Marine Exam Able Seaman Unlimited , Limited, Special, Special OSV, Sail, fishing Industry Illustrations: 3 21. Which is the primary element to successfully rescuing a man overboard? o (A) Good communication o (B) A dedicated crew o (C) Good equipment (D) Well-conducted drills If choice D is selected set score to 1. 22. Which of the following may result from improperly coiling manila line? (A) Kink in the line o (B) Increase deterioration of the line o (C) Number of fishhooks o (D) 50% loss of efficiency of the line If choice A is selected set score to 1.

9 23. If an electric cargo winch is being used to lift a draft of cargo and the engine room loses all power, which will occur? o (A) The load will fall rapidly to the deck unless the foot brake is engaged. o (B) A pawl, forced by a spring mechanism, will engage the teeth of the bull gear and hold the load. o (C) The load will slowly lower to the deck under control of the drag of the winch motor. (D) An electromagnetic brake will hold the load where it is suspended. If choice D is selected set score to 1. 24. In illustration D038DG below, which letter indicates the tripping palm? o (A) F (B) G o (C) H o (D) J If choice B is selected set score to 1. 25. In the event of an oil spill a report must be made to which of the following entities? o (A) The local police (B) Coast Guard o (C) Corps of Engineers o (D) The local fire department If choice B is selected set score to 1.

10 Page 6 of 14 Q451 Deck General Safety7/29/2021Q451 Deck General - Safety Merchant Marine Exam Able Seaman Unlimited , Limited, Special, Special OSV, Sail, fishing Industry Illustrations: 3 26. When rigging a stage, the standing part should be fastened to the horns of a stage with which of the following hitches? o (A) Double blackwall hitch (B) Marlinespike hitch o (C) Timber hitch o (D) Clove hitch If choice B is selected set score to 1. 27. Which type of bottom provides most anchors with the best holding ability? (A) Sandy mud o (B) Soft mud o (C) Soft sand o (D) Clay and rocks If choice A is selected set score to 1. 28. If the situation arose where it became necessary to tow a disabled vessel, which statement is TRUE concerning the towing line? o (A) The towing line should be taut at all times between the vessels. (B) There should be a catenary so the line dips into the water.