6A spark plug is used in:ADiesel enginesBSteam enginesCPetrol (SI) enginesDGas turbinesView AnswerDiscussWorkspaceReportSaveEasy
7A catalytic converter in a petrol car reduces:ANoise onlyBEngine temperatureCFuel consumption onlyDCO, HC and NOx emissionsView AnswerDiscussWorkspaceReportSaveEasy
8A two-stroke engine completes one power stroke in:AFour revolutionsBOne crankshaft revolutionCHalf a revolutionDTwo revolutionsView AnswerDiscussWorkspaceReportSaveEasy
9Scavenging in two-stroke engines means:ACooling the engineBClearing exhaust gases with fresh chargeCLubricating the pistonDCompressing fuelView AnswerDiscussWorkspaceReportSaveEasy
10Diesel knock is caused by:AExcess air onlyBEarly sparkCA long ignition delay causing sudden combustion of accumulated fuelDLow compressionView AnswerDiscussWorkspaceReportSaveEasy