Pass Benchmark: 70% • Standard: USCG NMC / 46 CFR

USCG Engine Plants (Supplementary) (Set 4)

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Question 1 of 30

Tankers carrying cryogenic cargoes, such as LNG, are fitted with gas detector systems alarmed at 30% of the lower explosive limit. If the gas detector alarms sounds, this means __________.

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30 MCQs

#1 Tankers carrying cryogenic cargoes, such as LNG, are fitted with gas detector systems alarmed at 30% of the lower explosive limit. If the gas detector alarms sounds, this means __________. #2 High concentrations of hydrogen sulfide gas are most dangerous to personnel because they can __________. #3 Which of the following statements is true concerning the overboard discharge of vessel sewage at sea? - #4 One consideration for determining the safest maximum rate at which bunker fuel may be received is by the __________. #5 An ullage reading is the distance from a given point at the __________. #6 Pressure-vacuum relief valves on tank vessel cargo tanks should be kept in good working order to prevent __________. #7 Tank stripping is accomplished more effectively by using a __________. #8 The component in an inert gas system used for cleaning the gas of solid and sulphur combustion products, while simultaneously cooling the inert gas, is called the __________. #9 Each ship having an inert gas system must have a portable instruments to measure concentrations of hydrocarbon vapor in inert atmospheres and also to measure __________. #10 If additional weight is placed on the main deck of the vessel shown in the illustration __________. SF-0023 #11 What standard mathematical formula is commonly used to calculate a vessels waterplane area for stability purposes? #12 If the cause of severe list or trim of a vessel is due to off-center ballast, counter flooding into empty tanks will __________. #13 If the cause of a sudden severe list is due to negative initial stability, counter flooding into empty ballast tanks may __________. #14 The symbol shown in the illustration used to represent displacement is __________. SF-0022 #15 Symbol #3, shown in the illustration, represents __________. SF-0022 #16 The symbol shown in the illustration and is used as the reference from which transverse measurements are made is __________. SF-0022 #17 The symbol shown in the illustration and used as a reference from which the height of the center of gravity is measured, is item number __________. SF-0022 #18 What effect will transferring fuel oil from #1P double bottom to #3P double bottom have on the trim of a vessel? #19 Which of the listed conditions will occur to the ship's center of gravity if 200 tons of steel is transferred to the ship¶ csargo hold from shore side? #20 The wooden shoring shown in the illustration is bearing against the hatch coaming and is supporting a load in the direction indicated by the arrows. Which of the following statements is correct for the this condition? SF-0018 #21 Wooden shoring, with a cross-sectional dimension of 4" X 4" should not be longer than __________. #22 Which of the methods shown in the illustration is the correct way to fit shoring? SF-0016 #23 Following a grounding, you can best determine that a SLACK fuel oil tank has been holed by __________. #24 Your vessel has run aground and upon taking fuel oil tank soundings, you find that a fuel tank level has increased. You therefore should suspect __________. #25 Which of the components listed are interchangeable between different backpack self- contained breathing apparatus produced by various manufacturers? #26 Manufacturers of self contained breathing apparatus use color coded face pieces to indicate different sizes. Which of the following statements is true concerning the colors of SCBA face pieces? #27 Which of the following statements is TRUE concerning lifejackets? #28 Lifejackets should be stowed in __________. #29 Kapok lifejackets require proper care and should NOT be __________. #30 An immersion suit should be equipped with a/an __________.

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