Pass Benchmark: 70% (21/30) • Standard: USCG NMC / 46 CFR

USCG Engineering Safety & Environmental Protection (Set 30)

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Question 1 of 30

When the cotton cover of a fire hose becomes oily or greasy, it should be washed with a solution of mild soapy fresh water and __________.

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30 MCQs

#1 When the cotton cover of a fire hose becomes oily or greasy, it should be washed with a solution of mild soapy fresh water and __________. #2 Which of the following components provides a direct source of sea water for the fire main system? #3 You are in compartment "A", shown in the illustration, and suspect a fire in compartment "B". In order to check for and confirm the fire in compartment "B" you should __________. Illustration SF-0005 #4 What is the purpose of opening the doors and portholes in figure 2 of the illustration? Illustration SF-0013 #5 You notice smoke coming from an open laundry room doorway, which smells like electrical insulation. After activating the fire alarm, which of the following would be the lowest action priority? #6 If a fire ignites in the engine room as a result of a high-pressure fuel oil leak, you should FIRST __________. #7 A large fire has developed in the HFO centrifuge room accessed by door "E". To combat the fire you should __________. Illustration SF-0013 #8 Tankers carrying cryogenic cargoes, such as LNG, are fitted with gas detector systems which are designed to activate an alarm at 30% of the lower explosive limit. If an LNG gas detector alarm sounds, this means __________. #9 Tank stripping is accomplished more effectively by using __________. #10 A ullage reading is the distance from a given point at the __________. #11 Which of the following statements is true concerning the overboard discharge of vessel sewage at sea? #12 Each ship having an inert gas system must have a portable instrument to measure concentrations of hydrocarbon vapor in inert atmospheres and also to measure __________. #13 The component in an inert gas system used for cleaning the gas of solid and sulfur combustion products, while simultaneously cooling the inert gas, is called the __________. #14 If additional weight is placed on the main deck of the vessel shown in the illustration __________. Illustration SF-0023 #15 What standard mathematical formula is commonly used to calculate a vessels water plane area for stability purposes? #16 If the cause of severe list or trim of a vessel is due to off-center ballast, counter-flooding into empty tanks will __________. #17 If the cause of a sudden severe list is due to negative initial stability, counter-flooding into empty ballast tanks may __________. #18 The symbol shown in the illustration used to represent displacement is __________. Illustrations SF-0022 #19 Symbol number "3" shown in the illustration represents which of the following? Illustration SF-0022 #20 The symbol shown in the illustration and is used as the reference from which transverse measurements are made is __________. Illustration SF-0022 #21 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 __________. Illustration SF-0022 #22 What effect will transferring fuel oil from No.1P double bottom to No.3P double bottom have on the trim of a vessel? #23 Which of the listed conditions will occur to the ship's center of gravity if 200 tons of steel is transferred to the ship’s cargo-hold from shore side? #24 In a compartment that has been completely flooded with water, the greatest pressure will be exerted __________. #25 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 this condition? Illustration SF-0018 #26 In the illustration shown, the sea painter is identified as item number _____. Illustration SF-0043 #27 Life jackets should be stowed in __________. #28 Kapok life jackets require proper care and should NOT be __________. #29 Which of the following statements is TRUE concerning life jackets? #30 If a life raft should capsize __________.

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