Requirements (Instruments, Chemicals & Other) :
• Centrifugal pump
• Volumetric tank
• Stop watch
• Pressure gauge
• Thermometer
• Energy meter
• Gate valve

Procedure :
• Clean the apparatus and make all tanks free from dust
• Close the drain valve provided
• Open flow control valve given on the water discharge
• Now switch on the main power supply
• Operate the flow control valve to regulate the flow of water
• Set the desired RPM of motor/ Pump
• Operate the control valve to regulate the suction of pump
• Record discharge pressure by means of pressure gauge
• Record suction pressure by means of suction gauge.
• Measure the discharge by measuring tank by using stop watch.
• Repeat the same procedure for different speed.