6. Dry air enters an industrial dryer with a pressure of 101 kPa and 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 m?. 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. (Answer: 4.546 m/h]
6. Dry air enters an industrial dryer with a pressure of 101 kPa and 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 m?. 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. (Answer: 4.546 m/h]
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
Related questions
Question
First Law of
Law of Conversion
Number 6
![kg/s, 0.212 m/s, 0.433 m/s)
5. Two streams of air are mixed in a steady-flow mixing chamber that has two
inlets and a
single exit. Specifically, 1 m/s of air at 120 kPa, 40°C is mixed with
2 m/s of air at 120 kPa, 90°C, resulting in a mixture at 120 kPa and 70°C.
The part of the pipe that contains the mixture has a cross-sectional area of
0.1 m?. Determine the mass flow rate of the two entering airstreams and the
velocity of the air mixture.
[Answers: 1.336 kg/s, 2.304 kg/s, 29.86 m/s]
6. Dry air enters an industrial dryer with a pressure of 101 kPa and 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 m?. A wet material is placed inside the dryer, and its
dryer and the average velocity of air entering the dryer, assuming steady
operation.
rate of drying is 5.5 g/min. Determine the mass flow rate of gases leaving the
[Answer: 4.546 m/h]
First Law of Thermodynamics Conservation of Mass - 1
72](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff45ad043-316f-4b4f-96d4-2d53eac764c5%2F933bbeb3-1b8e-484f-910a-9f590e3524c8%2Fi78jrmj_processed.jpeg&w=3840&q=75)
Transcribed Image Text:kg/s, 0.212 m/s, 0.433 m/s)
5. Two streams of air are mixed in a steady-flow mixing chamber that has two
inlets and a
single exit. Specifically, 1 m/s of air at 120 kPa, 40°C is mixed with
2 m/s of air at 120 kPa, 90°C, resulting in a mixture at 120 kPa and 70°C.
The part of the pipe that contains the mixture has a cross-sectional area of
0.1 m?. Determine the mass flow rate of the two entering airstreams and the
velocity of the air mixture.
[Answers: 1.336 kg/s, 2.304 kg/s, 29.86 m/s]
6. Dry air enters an industrial dryer with a pressure of 101 kPa and 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 m?. A wet material is placed inside the dryer, and its
dryer and the average velocity of air entering the dryer, assuming steady
operation.
rate of drying is 5.5 g/min. Determine the mass flow rate of gases leaving the
[Answer: 4.546 m/h]
First Law of Thermodynamics Conservation of Mass - 1
72
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