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Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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What happens when the temperature of air with 40% relative humidity at 30°C is lowered to 18°C? The saturation water vapor pressure is 4.25 kPa at 30°C and 2.07 kPa at 18°C
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- A rigid tank contains a gas mixture with a specific heat of cv = 0.748 kJ/kg·K. The mixture is cooled from 200 kPa and 200°C until its pressure is 100 kPa. Determine the heat transfer during this process, in kJ/kg.arrow_forwardA 5.092 m3 rigid tank contains 100 Kg of saturated water vapour, What is the temperature of this water? If the tank is now cooled to 200 °C, what is the new dryness fraction?arrow_forward30 m³ of air at 15°C DBT and 0.827 m³/kg specific volume are mixed with 12-m3 of air at 25°C DBT and 0.96 m³/kg specific volume. The dry bulb temperature (DBT) of resulting mixture is "C. (Correct up to 2 decimal places)arrow_forward
- What is the enthalpy of the air-vapor mixture at 70% RH and 33°C when the barometricpressure is 101 kPa? At 33°C: Psat = 5.628, hg = 2565.3 kJ/kgarrow_forwardA mixture of nitrogen and carbon dioxide has a carbon dioxide mass fraction of 50 percent. This mixture is heated at constant pressure in a closed system from 120 kPa and 30°C to 200°C. Calculate the work produced during this heating in kJ/kg.arrow_forward
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