Pass Benchmark: 70% (21/30) • Standard: USCG NMC / 46 CFR
USCG Deck General (Set 167)
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Question 1 of 30
What should LFG tank and pipeline maintenance include?
Browse Questions in Set 167
30 MCQs #1 What should LFG tank and pipeline maintenance include? #2 The use of portable electrical equipment in the pump room on tank barges is prohibited unless __________. #3 If your JP-5 barge has operated in salt water for less than 1 month in the 12 month period since it was last dry-docked, when is it required to be hauled out again? #4 What are cargo tanks carrying grades D or E liquids on tank barges required to be ventilated with? #5 LNG boil-off is used as fuel in the dual fuel system to produce steam in the boilers to run the turbines. What happens under slow maneuvering speeds, due to excessive steam being generated? #6 What is NOT a requirement of the re-inspection for a tank barge with a certificate of inspection valid for two years? #7 The tankship Northland is loaded as shown in table BL-0024 below. Use the salmon colored pages in the Stability Data Reference Book to determine the hogging numeral. #8 On a tank vessel, when must each high level alarm and tank overfill alarm must be tested? #9 What functions due re-liquification plants perform? #10 Some cargoes can react with air to form unstable oxygen compounds which could cause them to do which of the following? #11 You are berthed at a cargo facility where you have just completed discharging a dangerous cargo from your barge. You must complete topside repairs on the barge involving hot-work before sailing. Which statement is TRUE? #12 Oil product samples should be taken at the commencement and completion of loading operations. As the Person in Charge, where should the the final samples be taken? #13 Your vessel is securely moored to the berth preparing to discharge a cargo of LPG. Which of the following items would not comply with a "Safety Checklist" and should be corrected? #14 When a tank vessel with a capacity of 250 barrels is transferring oil to a facility, U.S. regulations require an emergency means to stopping the flow of oil. Where must these emergency means be operable from? #15 Combustion can occur inside a piping system such as a vapor collection header in a marine emission control system. Which of the following will not aid in this combustion process? #16 On modern tankers with separate pump rooms, which of the following is used to minimize cargo pump shaft leakage? #17 What is the mechanical advantage of tackle number 1 as shown in illustration D029DG below? #18 What must be mounted at a small passenger vessels operating station for use by the Master and crew? #19 Which is TRUE when splicing nylon line? #20 In what direction should you coil a left-hand laid rope? #21 What is the result when natural fiber rope gets wet? #22 What is the critical point in nylon line elongation? #23 How should natural fiber rope be stowed in order to help protect it from rotting? #24 When using or caring for natural-fiber rope, which of the following is NOT recommended? #25 Which statement is True for lifejackets on a small passenger vessel? #26 Aboard small passenger vessels the number of children’s life jackets carried must be at least what percentage of the total number of persons aboard? #27 What material is allowed in construction of the hull of a vessel with an integral diesel fuel tank? #28 Which of the following is a rope ladder with wooden rungs? #29 What is a serving mallet used for? #30 Which of the knots, bends, or hitches shown in illustration D030DG below would you use to properly secure a bosun chair to a gantline?
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