Q6) An oil pump is drawing (25 kW) of electric power while pumping oil with (= 860 kg/m3) at a rate of (0.1 m3 /s). The inlet and outlet diameters of the pipe are ( 8 cm and 12 cm), respectively. If the pressure rise of oil in the pump is measured to be (250 kPa) and the motor efficiency is (90 percent), determine the mechanical efficiency of the pump. Pump 8 cm Oil 0.1 m% 12 cm +4 AP=250 kPa 25 kW Motor

Q6) An oil pump is drawing (25 kW) of electric power while pumping oil with (= 860 kg/m3) at a rate of (0.1 m3 /s). The inlet and outlet diameters of the pipe are ( 8 cm and 12 cm), respectively. If the pressure rise of oil in the pump is measured to be (250 kPa) and the motor efficiency is (90 percent), determine the mechanical efficiency of the pump. Pump 8 cm Oil 0.1 m% 12 cm +4 AP=250 kPa 25 kW Motor

Elements Of Electromagnetics

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ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Question

Q6) An oil pump is drawing (25 kW) of electric power while pumping oil with (= 860
kg/m3) at a rate of (0.1 m3 /s). The inlet and outlet diameters of the pipe are ( 8 cm
and 12 cm), respectively. If the pressure rise of oil in the pump is measured to be (250
kPa) and the motor efficiency is (90 percent), determine the mechanical efficiency of
the pump.
Pump
8 cm
124
+4
al
0.1 m/s
AP=250 kPa
25 kW
Motor

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