16Shear-thinning (pseudoplastic) fluids:ADo not flowBBecome less viscous as shear rate increasesCHave constant viscosityDBecome more viscousView AnswerDiscussWorkspaceReportSaveEasy
17Centrifugal pumps need priming because:AThey need oilBThey cannot pump air and must be filled with liquid to startCThey run backwardsDThey are positive displacement pumpsView AnswerDiscussWorkspaceReportSaveEasy
18NPSH relates to:AAvoiding cavitation in pumpsBPipe roughnessCFlow measurementDViscosityView AnswerDiscussWorkspaceReportSaveEasy