Q.17 34 °API gas oil at 80 °F is being pumped from a storage tank on the ground to another tank standing on a hill 390 ft high at a rate of 200 Ib/min through a pipe of 2 in diameter. A 2 hp pump with efficiency of 60% is used to pump the gas oil, and a heater adds 1450 Btu/min to the gas oil during its flowing. The average heat capacity (Cpm) of the gas oil = 0.5 Btu/Ib.°F.Calculate a) The temperature of the gas oil as it enters the elevated tank b)The flowing velocity of the gas oil in ft/sec. Given that °API=(141.5/spg) -131.5, spg Pgasoil Pwater ge=32.17 lbm.ft/lbf.sec2 1 ft=12inch pwater=62.4 1lb/ft³ 1 Btu =252 Cal 1 Btu = 778 ft.lbf 1 hp = 550 ft.lbf/sec

Q.17 34 °API gas oil at 80 °F is being pumped from a storage tank on the ground to another tank standing on a hill 390 ft high at a rate of 200 Ib/min through a pipe of 2 in diameter. A 2 hp pump with efficiency of 60% is used to pump the gas oil, and a heater adds 1450 Btu/min to the gas oil during its flowing. The average heat capacity (Cpm) of the gas oil = 0.5 Btu/Ib.°F.Calculate a) The temperature of the gas oil as it enters the elevated tank b)The flowing velocity of the gas oil in ft/sec. Given that °API=(141.5/spg) -131.5, spg Pgasoil Pwater ge=32.17 lbm.ft/lbf.sec2 1 ft=12inch pwater=62.4 1lb/ft³ 1 Btu =252 Cal 1 Btu = 778 ft.lbf 1 hp = 550 ft.lbf/sec

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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