16Flash point of a fuel is:AIts auto-ignition temperatureBIts boiling pointCIts freezing pointDThe lowest temperature at which its vapour ignites momentarily with a flameView AnswerDiscussWorkspaceReportSaveEasy
17API gravity is a measure of:ABoiling pointBViscosityCSulphur contentDThe density of petroleum liquids relative to waterView AnswerDiscussWorkspaceReportSaveEasy
18Coking units produce:ALubricantsBHydrogen onlyCPetroleum coke and lighter products from heavy residueDLPG onlyView AnswerDiscussWorkspaceReportSaveEasy