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A pump rated at 65% efficiency is used to transport water from a large open reservoir to a point 10m above at a rate of 450 L/min, into a vented tank. Assuming friction is negligible and that the efficiency of the motor is 77%, how much electricity is required to keep the process running for 24 hours? O29.37 kWh 35.28 kWh 56.71 kWh 43.21 kWh

A pump rated at 65% efficiency is used to transport water from a large open reservoir to a point 10m above at a rate of 450 L/min, into a vented tank. Assuming friction is negligible and that the efficiency of the motor is 77%, how much electricity is required to keep the process running for 24 hours? O29.37 kWh 35.28 kWh 56.71 kWh 43.21 kWh

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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A pump rated at 65% efficiency is used to transport water from a large open reservoir to a point 10m above at a rate of 450 L/min, into a vented tank. Assuming friction is negligible and that the efficiency of the motor is 77%, how much electricity is required to keep the process running for 24 hours? 29.37 kWh 35.28 kWh 56.71 kWh 43.21 kWh The velocity of water is measured using an orifice meter (throat diameter = 0.06m) in a 0.31-m pipeline. The measured pressure drop across the orifice is 75 kPa. The Reynolds number at the orifice is nearly: 250000 375000 500000 125000
Transcribed Image Text:A pump rated at 65% efficiency is used to transport water from a large open reservoir to a point 10m above at a rate of 450 L/min, into a vented tank. Assuming friction is negligible and that the efficiency of the motor is 77%, how much electricity is required to keep the process running for 24 hours? 29.37 kWh 35.28 kWh 56.71 kWh 43.21 kWh The velocity of water is measured using an orifice meter (throat diameter = 0.06m) in a 0.31-m pipeline. The measured pressure drop across the orifice is 75 kPa. The Reynolds number at the orifice is nearly: 250000 375000 500000 125000
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