8. Air is compressed in a frictionless steady-flow process from 70 kN/m2, -29°C and a specificvolume of 1 m³/kg to 100 kN/m² in such a manner that p(u+0.5)=constant, where v is inm³/kg. Inlet velocity is negligibly small and discharge velocity is 100 m/s. The flow rate is%3D0.2 kg/s. Calculate the work required in kW.[ans: -5.49 kW] to Thermodynamics[ans: -410. Methane enters a compressor at 14 psia with a very low velocity and is compressed to 55 psia.The entering methane has a density of 0.04 lb /ft. The methane leaves the compressor with avelocity of 250 fps. The flow rate is 0.38 lb/s. Assuming a quasi-equilibrium process in whichpu133=constant, calculate the work done on the methane in hp.mm[ans: -57.4 hp]

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8. Air is compressed in a frictionless steady-flow process from 70 kN/m²,-29°C and a specific volume of 1 m³/kg to 100 kN/m² in such a manner that p(v+0.5)=constant, where v is in m³/kg. Inlet velocity is negligibly small and discharge velocity is 100 m/s. The flow rate is 0.2 kg/s. Calculate the work required in kW. [ans: -5.49 kW]

8. Air is compressed in a frictionless steady-flow process from 70 kN/m²,-29°C and a specific volume of 1 m³/kg to 100 kN/m² in such a manner that p(v+0.5)=constant, where v is in m³/kg. Inlet velocity is negligibly small and discharge velocity is 100 m/s. The flow rate is 0.2 kg/s. Calculate the work required in kW. [ans: -5.49 kW]

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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