3. A gas mixture with a density of 0.095 lb /ft enters a steady-flow system through a 14-in. diameter duct at a velocity of 10 fps. It leaves with a density of 0.23 lb /ft through a 4-in. diameter duct. Determine the outlet velocity and the mass rate of flow. (Answers: 50.62 fps, 1.016 lb /s]

3. A gas mixture with a density of 0.095 lb /ft enters a steady-flow system through a 14-in. diameter duct at a velocity of 10 fps. It leaves with a density of 0.23 lb /ft through a 4-in. diameter duct. Determine the outlet velocity and the mass rate of flow. (Answers: 50.62 fps, 1.016 lb /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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Concept explainers

Laws of thermodynamics

Thermodynamics is a field of research, which needs the creation of absolute and ideal states and logical and practical examination of the actual conditions. By considering all the laws and theories of thermodynamics, the chemical reactions, the occurrence of processes, and physiological functions can be predicted with this field.

Question

Law of Thermodynamics

Number 3

Review Problems
1 A gas with a density of 0.232 kg/m flows at a velocity of 280 m/s through a
cross-sectional area of 0.0085 m2. Determine the mass rate of flow.
(Answer: 0.552 kg/s]
2. Ammonia, with a specific volume of 1.94 m/kg, flows at a rate of 3.3 kg/s
through a tube with a cross-sectional area of 0.01 m2. Determine the average
velocity across the tube cross section.
(Answer: 640.2 m/s)
3. A gas mixture with a density of 0.095 lb /ft enters a steady-flow system
through a 14-in. diameter duct at a velocity of 10 fps. It leaves with a
density of O.23 lb_/ft through a 4-in. diameter duct. Determine the outlet
velocity and the mass rate of flow.
(Answers: 50.62 fps, 1.016 lb_/s]
4. Oil, 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. Determine the following:
louu rate in kg/s;

Science that deals with the amount of energy transferred from one equilibrium state to another equilibrium state.

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