1. Dry air enters an industrial dryer with a pressure of 101 kPa, a temperature of 250°C, and at a mass flow rate of 2.6 kg/h through a duct with a cross-sectional area of 0.85 m². A wet material is placed inside the dryer, and its rate of drying is 5.5 g/min. Determine the mass flow rate of gases leaving the dryer and the average velocity of air entering the dryer, assuming steady operation. [Ans: 4.547 m/h] 2.0il, with a specific gravity of 0.9, enters a pump with a volumetric flow rate of 0.1 m³ /min through a 10 cm pipe at 20 °C. the diameter of the exit pipe is 7 cm and the flow is isothermal. a. the mass flow rate in kg/s. b. the inlet velocity in m/s; and c. the exit velocity, in m/s Ans: m = 1.5 kg/s; Vin = 0.2122 m/s; Vout = 0.433 m/s

1. Dry air enters an industrial dryer with a pressure of 101 kPa, a temperature of 250°C, and at a mass flow rate of 2.6 kg/h through a duct with a cross-sectional area of 0.85 m². A wet material is placed inside the dryer, and its rate of drying is 5.5 g/min. Determine the mass flow rate of gases leaving the dryer and the average velocity of air entering the dryer, assuming steady operation. [Ans: 4.547 m/h] 2.0il, with a specific gravity of 0.9, enters a pump with a volumetric flow rate of 0.1 m³ /min through a 10 cm pipe at 20 °C. the diameter of the exit pipe is 7 cm and the flow is isothermal. a. the mass flow rate in kg/s. b. the inlet velocity in m/s; and c. the exit velocity, in m/s Ans: m = 1.5 kg/s; Vin = 0.2122 m/s; Vout = 0.433 m/s

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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