WhichstatementisTRUEconcerningtheventilationofengineandfueltankcompartmentsonuninspectedtowingvesselsusingfuelwithaflashpointof100°F?()
A. Thereshallbeatleast3ventilatorductsopentotheatmosphere
B. Atleastoneexhaustductshallextendfromtheopenatmospheretothelowerportionofthebilge
C. Atleastoneintakeductshallextendfromtheopenatmospheretothelowerportionofthebilge
D. Onlyvesselsusingfuelwithaflashpointabove110°Fneedventilateengineandfuelcompartments
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Themaincausesoffireonboardshipsare()
A. oilleakageinengine-room
B. hotwork(welding,cutting,etc)
C. staticelectricity
D. alloftheabove
WhichstepisNOTgenerallytakenwhengas-freeingatank?().
A. Washingthetankinteriorwithseawater
B. Applicationofdegreasingsolvents
C. Removalofcorrosionproductsandsludge
D. Freshairventilation
WhichsubstanceisNOTconsideredtobeOilunderthepollutionpreventionregulations?()
A. Petroleumandfueloil
B. Sludge
C. Oilmixedwithdredgespoil
D. Oilrefuseandoilmixedwithwastes