Fundamental Principles of Organic ChemistryOctane Number and Knocking1Choose the best answerWhich fuel is least likely to produce knocking in a petrol engine?ALow-octane petrolBHigh-octane petrolCDieselDKerosene Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryOctane Number and Knocking2Choose the best answerWhich type of hydrocarbon generally shows the greatest knocking tendency in petrol engines?AStraight-chain alkanesBBranched-chain alkanesCCycloalkanesDAromatic hydrocarbons Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryOctane Number and Knocking3Choose the best answerThe octane number of petrol is a measure of its:AIgnition temperatureBAnti-knock qualityCSulfur contentDCarbon content Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryOctane Number and Knocking4Choose the best answerA high octane number is generally associated with:AStraight-chain hydrocarbonsBBranched-chain hydrocarbonsCHigh sulfur contentDHigh moisture content Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryOctane Number and Knocking5Choose the best answerWhich statement is correct?AHigh-octane petrol resists auto-ignition.BKnocking improves engine performance.CDiesel quality is measured by octane number.DAnthracite has the lowest carbon content. Like 0 Discuss 0Share