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
Theresultsoftheauditsandreviews()totheattentionofallpersonnelhavingresponsibilityintheareainvolved.
A. shouldbring
B. shouldbebrought
C. shouldtake
D. shouldbetaken