11LPG mainly consists of:AHydrogenBPropane and butaneCEthyleneDMethane onlyView AnswerDiscussWorkspaceReportSaveEasy
12Flash point of a fuel is:AIts auto-ignition temperatureBIts boiling pointCThe lowest temperature at which its vapour ignites momentarily with a flameDIts freezing pointView AnswerDiscussWorkspaceReportSaveEasy
13Desalting of crude is done to:ARemove salts that cause corrosion and foulingBIncrease densityCProduce LPGDAdd sulphurView AnswerDiscussWorkspaceReportSaveEasy
14Hydrodesulphurisation removes:ACarbon dioxideBSulphur compoundsCNitrogen gasDWaterView AnswerDiscussWorkspaceReportSaveEasy
15Hydrocracking uses:ASteam onlyBHydrogen and a catalyst to crack heavy oilsCOnly heatDAirView AnswerDiscussWorkspaceReportSaveEasy