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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 7, Problem 19P
To determine
Compare the energy produce per kg of fuel for the combustion of goal, d-d fusion and d-t fusion.
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- Calculate the active earth pressure (exerted by the supported soil mass on the right) against the 10-meter-long, dense and smooth sheet pile wall shown in Figure E2:1. The ground surface is loaded with heavy construction machinery applying a pressure of q = 10.0 kPa. Other data is according to the figure.Assume the sheet pile moves sufficiently to the left to reach active failure conditions behind it, and passive failure conditions develop in the soil mass below the excavation bottom. Will the sheet pile wall hold without rain? (Calculate the forces.) Will the sheet pile wall hold if it rains? (Assume water-filled cracks.) If the sheet pile does not hold in any of the above cases – how deep would it need to be embedded in order to hold? Draw diagrams for active and passive earth pressure as well as the resultant earth pressure. gvy=grownd water levelarrow_forwardThe composite beam shown in the figure is subjected to a bending moment Mz=8 kNmMz=8kNm.The elastic moduli for the different parts are E1=30 GPa, E2=20 GPa, and E3=60GPa. a) Determine the reduced moment of inertia IredIred for the entire beam. b) Sketch the bending stress distribution in the beam.arrow_forwardUSING THE ATTACHED SKETCH , DETERMINE THE FOLLOWING: 1. INVERSE DISTANCE, NORTH AZIMUTH AND BEARING BETWEEN CP-102 AND THE SOUTHWEST BUILDING CORNER.2. DETERMINE THE INTERIOR ANGLE AT CP-101 - CP-102 AND THE SOUTHWEST BUILDING CORNER.3. WHAT ARE THE COORDINATES (N,E) AT POINT A AND POINT B IN THE ATTACHED SKETCH?arrow_forward
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- A traffic signal has a 60-second cycle length (Red time + Green time). For the travel direction of interest, the red and green times are 30 seconds each, the arrival rate is constant at 20 [veh/min] and the saturation flow (i.e., the departure rate) is 1 [veh/sec]. a. Calculate the average delay (for all vehicles) for the travel direction of interest. b. Assume a work zone on the street downstream of the intersection so that only 25 [veh/min] (in the direction of interest) can pass. Calculate the average delay caused by the work zone to a vehicle leaving the intersection. Assume that the queue at the work zone never backs- up into the intersection. c. Discuss qualitatively the implications of queue spillback from the work zone on the delay of the system. Traffic Direction (a) Traffic Direction (b)arrow_forwardCalculate the active earth pressure (exerted by the supported soil mass on the right) against the 10-meter-long, dense and smooth sheet pile wall shown in Figure E2:1. The ground surface is loaded with heavy construction machinery applying a pressure of q = 10.0 kPa. Other data is according to the figure.Assume the sheet pile moves sufficiently to the left to reach active failure conditions behind it, and passive failure conditions develop in the soil mass below the excavation bottom. Draw diagrams for active and passive earth pressure as well as the resultant earth pressure. Questions to Answer: Will the sheet pile wall hold without rain? (Calculate the forces.) Will the sheet pile wall hold if it rains? (Assume water-filled cracks.) If the sheet pile does not hold in any of the above cases – how deep would it need to be embedded in order to hold?arrow_forwardQ.2- Design a flexible pavement by AASHTO method and draw typical cross section of the flexible Pavement for rural highway has following data: - Elastic modulus of Asphalt is 450000 Ib/in², Mr. of base-31000 psi, Mr. of subbase=13500 psi, CBR of base-100 CBR of subbase=22 subbase of subgrade =6 water removed with one week Percentage of time pavement structure is exposed to moisture levels-30% reliability=95% Standard deviation=0.45 initial serviceability=4.2 terminal serviceability=2.5 and ESAL=2*106 subgrade =1500 CBR Mr كلية . المنصور الجامعةarrow_forward
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