11The compression ratio of diesel engines is typically:A14 to 22B2 to 4C30 to 50D6 to 10View AnswerDiscussWorkspaceReportSaveEasy
12A catalytic converter in a petrol car reduces:AEngine temperatureBNoise onlyCFuel consumption onlyDCO, HC and NOx emissionsView AnswerDiscussWorkspaceReportSaveEasy
13Scavenging in two-stroke engines means:ALubricating the pistonBCooling the engineCClearing exhaust gases with fresh chargeDCompressing fuelView AnswerDiscussWorkspaceReportSaveEasy
14Brake power is:APower developed inside the cylinderBFriction powerCThe power available at the crankshaftDFuel energyView AnswerDiscussWorkspaceReportSaveEasy
15The function of a carburettor is to:ACool the engineBMix air and fuel in the right proportionCLubricate the pistonDIgnite the fuelView AnswerDiscussWorkspaceReportSaveEasy