1The Hagen–Poiseuille equation applies to:ACompressible flow onlyBTurbulent flowCOpen channelsDLaminar flow in circular pipesView AnswerDiscussWorkspaceReportSaveEasy
2Viscosity of liquids generally:ABecomes zero at boilingBDoes not depend on temperatureCDecreases with increasing temperatureDIncreases with temperatureView AnswerDiscussWorkspaceReportSaveEasy
3Cavitation in pumps is caused when:ATemperature is very lowBLocal pressure falls below the vapour pressure of the liquidCThe pump runs dry onlyDPressure is too highView AnswerDiscussWorkspaceReportSaveEasy
4The Reynolds number is the ratio of:AInertial forces to viscous forcesBGravity to inertiaCPressure to viscosityDViscous to inertial forcesView AnswerDiscussWorkspaceReportSaveEasy
5A venturimeter measures:ATemperatureBFlow rateCPressure onlyDViscosityView AnswerDiscussWorkspaceReportSaveEasy