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MindTap Engineering for Dunlap's Sustainable Energy, SI Edition, 2nd Edition [Instant Access], 1 term (6 months)
2nd Edition
ISBN: 9781337551755
Author: DUNLAP
Publisher: Cengage Learning US
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Chapter 3, Problem 12P
- (a) Locate, from an appropriate source, the composition for methanol and ethanol. Write down the formulas for the combustion of these two hydrocarbons.
- (b) Calculate the mass of CO2 produced per kg of methanol and ethanol burned.
- (c) Locate values for the heat of combustion of methanol and ethanol and determine the mass of CO2 produced per MJ of energy.
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Vehicles begin to arrive at an amusement park
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vehicles without such identifiers stop at a single
processing booth, but they wait in line until it opens at
8:10 A.M. Once open, the operator processes vehicles
at μ(t) = 8 + 0.5t [where μ(t) is in vehicles per minute
and t is in minutes after 8:10 A.M.]. An observer notes
that at 8:25 there are exactly 20 vehicles in the queue.
What percent of arriving vehicles have electronic
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1. For truss given in a figure below, determine reactions, and forces in all truss members. De-
termine forces using two methods independently: (a) method of joints, and (b) method of
sections. Compare your results and verify that your solutions are accurate. Assume that force
F
=
10kN.
2m 2m
2m
▼F ▼F
4m
▼F
4m
1) Determine if the existing sedimentation basins are sufficient to accommodate the
projected future capacity. If not, design upgrades to the sedimentation basins.
A) Current Capacity: 22.5 MGD
B) Future Capacity: 34.5 MGD for 110,000 residents
C) If not, design upgrades to the sedimentation basins.
2) Specify the design flow rate, the type of basin (circular vs. rectangular)
3) Specify the basin dimensions (length, width, water depth or diameter and water
depth).
4) Specify the dimensions of the launders (if applicable) and the length of the weir.
Chapter 3 Solutions
MindTap Engineering for Dunlap's Sustainable Energy, SI Edition, 2nd Edition [Instant Access], 1 term (6 months)
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- 2 1d/T₁₂ = 1/2 n First impulse E ("œw / ])÷(1) '7 J-1 -1- -2+ 0 0.5 1 1.5 2arrow_forwardBars AD and CE (E=105 GPa, a = 20.9×10-6 °C) support a rigid bar ABC carrying a linearly increasing distributed load as shown. The temperature of Bar CE was then raised by 40°C while the temperature of Bar AD remained unchanged. If Bar AD has a cross-sectional area of 200 mm² while CE has 150 mm², determine the following: the normal force in bar AD, the normal force in bar CE, and the vertical displacement at Point A. D 0.4 m -0.8 m A -0.4 m- B -0.8 m- E 0.8 m C 18 kN/marrow_forwardDraw the updated network. Calculate the new project completion date. Check if there are changes to the completion date and/or to the critical path. Mention the causes for such changes, if any. New network based on the new information received after 15 days (Correct calculations, professionally done). Mention if critical path changes or extended. Write causes for change in critical path or extension in the critical path.arrow_forward
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