1Cavitation in pumps is caused by:AAir leaks onlyBExcess speed onlyCHigh temperature onlyDLocal pressure falling below the liquid's vapour pressureView AnswerDiscussWorkspaceReportSaveEasy
2A reaction turbine uses:ABoth pressure and kinetic energy of waterBOnly kinetic energyCOnly heatDWind energyView AnswerDiscussWorkspaceReportSaveEasy
3Pelton wheels are suitable for:AMedium heads onlyBZero headCLow heads and high dischargeDHigh heads and low dischargeView AnswerDiscussWorkspaceReportSaveEasy
4A Francis turbine is a:APumpBCompressorCMixed-flow reaction turbineDImpulse turbineView AnswerDiscussWorkspaceReportSaveEasy
5An impulse turbine converts:AHeat into workBThe kinetic energy of a jet into work at atmospheric pressureCPressure energy inside a closed casing onlyDElectricity into water flowView AnswerDiscussWorkspaceReportSaveEasy