16A recycle stream is used to:ARemove all productsBReturn unconverted material to the process to improve overall yieldCMeasure flowDCool the reactor onlyView AnswerDiscussWorkspaceReportSaveEasy
17Excess air in combustion is:AAir supplied beyond the theoretical (stoichiometric) requirementBAir in the stack onlyCAir that is not usedDPure oxygenView AnswerDiscussWorkspaceReportSaveEasy
18Specific gravity of a liquid is its density relative to:AAirBMercuryCWater at a reference temperatureDOilView AnswerDiscussWorkspaceReportSaveEasy