Pass Benchmark: 70% (21/30) • Standard: USCG NMC / 46 CFR
USCG Engineering Safety & Environmental Protection (Set 6)
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Question 1 of 30
Through which of the listed processes is sufficient heat produced to cause spontaneous ignition?
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30 MCQs #1 Through which of the listed processes is sufficient heat produced to cause spontaneous ignition? #2 To detect the presence of explosive gases in any space, tank, or compartment, you should use a __________. #3 Which of the following statements is true regarding oxygen indicators? #4 An oxygen indicator will detect __________. #5 If you see an individual fall overboard, you should __________. #6 Which of the gases listed is the poisonous gas most likely to be found in a closed compartment involved in a fire? #7 A tank has been sealed and unventilated for a long period of time. Which of the following statements is true? #8 Span gas is used aboard liquefied natural gas carriers to __________. #9 An LNG carrier has an approved type of gas detecting system to detect methane leaks in the __________. #10 Which of the following hazards is associated with the handling of petroleum products? #11 Petroleum vapors are dangerous __________. #12 When checking the level of a volatile liquid in a tank on the weather deck of a tank vessel, you should position yourself __________. #13 Which of the following methods will reduce the possibility of producing an electrical spark? #14 The vapors given off by heated fuel oil are flammable, explosive, and __________. #15 Bunker "C" is classified as a grade __________. #16 A specific document which identifies a chemical, and lists its physical properties, health hazards, required controls, firefighting procedures, cleanup methods, waste disposal, and the safe handling and storage requirements, is commonly called a __________. #17 Which health hazard term is listed on a Material Safety Data Sheet (MSDS) to indicate that contact with the substance will freeze body tissue on contact? #18 A Crude Oil Wash (COW) system is considered as __________. #19 In order for you to operate your vessel's crude oil wash system, the cargo tanks to be washed must be __________. #20 Both crude oil washing and water washing use direct impingement to remove residue from tanks. Crude oil washing has an additional advantage, in utilizing __________. #21 How does an inert gas system on a tanker function to prevent explosions in cargo tanks? #22 The primary function of a "flue gas type" inert gas system is to _________. #23 If a cargo tank has not been certified as gas free, __________. #24 A tank or compartment is "gas free" when there is an absence of dangerous concentrations of __________. #25 A fuel tank is considered to be gas free when the tank is __________. #26 What information can be obtained from a marine chemist's certificate on a tank barge? #27 "Portable" oil tank cleaning machines are usually provided with a water supply from the __________. #28 When using portable tank cleaning machines, the hoses may be disconnected when __________. #29 The most effective method of extinguishing a class "A" fire is by __________. #30 If deck cargo is carried, it should be stowed so that it __________.
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