1The Clausius statement of the second law says:AHeat cannot flow from a colder to a hotter body without external workBEntropy is constantCAll heat converts to workDEnergy is conservedView AnswerDiscussWorkspaceReportSaveEasy
2Dryness fraction of steam is the ratio of:ATemperature to pressureBLiquid mass to vapour massCVolume to massDMass of dry vapour to total mass of wet steamView AnswerDiscussWorkspaceReportSaveEasy
3The efficiency of a Carnot engine depends on:AThe working substanceBThe pressure onlyCThe engine sizeDSource and sink temperatures onlyView AnswerDiscussWorkspaceReportSaveEasy
4The Brayton cycle is used in:ASteam turbinesBDiesel enginesCRefrigeratorsDGas turbinesView AnswerDiscussWorkspaceReportSaveEasy
5In a throttling process, which property remains constant?APressureBTemperature alwaysCEnthalpyDEntropyView AnswerDiscussWorkspaceReportSaveEasy