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Problem 1. Gas flows through a pipe whose diameter gradually decreases from 300 mm at section A to 175 mm at section B. The velocity of flow and the density of the gas at section A are 5 m/s and 2 kg/m3, respectively. Atsection B, the velocity of flow is 8 m/s.  a. Determine the mass flow rate. b. Determine the density at point B.

Problem 1. Gas flows through a pipe whose diameter gradually decreases from 300 mm at section A to 175 mm at section B. The velocity of flow and the density of the gas at section A are 5 m/s and 2 kg/m3, respectively. Atsection B, the velocity of flow is 8 m/s.  a. Determine the mass flow rate. b. Determine the density at point B.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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Problem 1. Gas flows through a pipe whose diameter gradually decreases from 300 mm at section A to 175 mm at section B. The velocity of flow and the density of the gas at section A are 5 m/s and 2 kg/m3, respectively. Atsection B, the velocity of flow is 8 m/s. 
a. Determine the mass flow rate.
b. Determine the density at point B.
ENERGY AND HEAD
Head – the amount of energy per pound or Newton of fluid.
POWER AND EFFICIENCY
Power – is the rate at which work is done.
Efficiency – it is the ratio of the output power to the input power.


Problem 1. Gas flows through a pipe whose diameter gradually decreases from 300 mm at section A to 175 mm at section B. The velocity of flow and the density of the gas at section A are 5 m/s and 2 kg/m³, respectively. At section B, the velocity of flow is 8 m/s. a. Determine the mass flow rate. b. Determine the density at point B. ENERGY AND HEAD Head - the amount of energy per pound or Newton of fluid. POWER AND EFFICIENCY Power is the rate at which work is done. Efficiency - it is the ratio of the output power to the input power. BERNOULLI'S ENERGY EQUATION (v₂)² P₂ + +22 2g Y 2g Y LAW OF CONSERVATION OF ENERGY (v₁)² P₁ + + Z₁ E₁ + hAhE h₁ = E₂ EGL Energy Grade Line = PE + KE HGL Hydraulic Grade Line = PE FRICTIONAL LOSS, hy DARCY MANNING'S HAZEN WILLIAMS EQUATION METRIC 0.0826fLQ² D5 10.29n²LQ² D¹3 4.72LQ1.85 CL.85D4.87 ENGLISH 0.0252fzQ² DS 4.65n²LQ² 10.64LQ1.85 CL.85D4.87
Transcribed Image Text:Problem 1. Gas flows through a pipe whose diameter gradually decreases from 300 mm at section A to 175 mm at section B. The velocity of flow and the density of the gas at section A are 5 m/s and 2 kg/m³, respectively. At section B, the velocity of flow is 8 m/s. a. Determine the mass flow rate. b. Determine the density at point B. ENERGY AND HEAD Head - the amount of energy per pound or Newton of fluid. POWER AND EFFICIENCY Power is the rate at which work is done. Efficiency - it is the ratio of the output power to the input power. BERNOULLI'S ENERGY EQUATION (v₂)² P₂ + +22 2g Y 2g Y LAW OF CONSERVATION OF ENERGY (v₁)² P₁ + + Z₁ E₁ + hAhE h₁ = E₂ EGL Energy Grade Line = PE + KE HGL Hydraulic Grade Line = PE FRICTIONAL LOSS, hy DARCY MANNING'S HAZEN WILLIAMS EQUATION METRIC 0.0826fLQ² D5 10.29n²LQ² D¹3 4.72LQ1.85 CL.85D4.87 ENGLISH 0.0252fzQ² DS 4.65n²LQ² 10.64LQ1.85 CL.85D4.87
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