Engineering, 02.10.2019 01:10 shinekamui
28-7 a long segment of suburban freeway is to be designed on level terrain. the level segment, however, is followed by a 4.5% grade, 2.0 miles in length. if the ddhv is 2,500 veh/h with 15% trucks (standard mix), how many lanes will be needed on the (a) upgrade, (b) downgrade, (c) level terrain segment to provide for level of service c? lane widths and lateral clearances may be assumed to be 12 ft and 6 ft, respectively. ramp density is expected to be 1.0 ramps/mi. the phf is 0.92. good weather, no incidents, no work zones, and regular users of the facility may be assumed.
Answers: 3
Engineering, 03.07.2019 14:10, cowgyrlup124
Explain the difference laminar and turbulent flow. explain it with the shear stress and the velocity profiles.
Answers: 1
Engineering, 04.07.2019 08:10, doggo242
Which of the following is an easy way to remember the modified “x” tire rotation? a. nondrive wheels straight, cross the drive wheels b. drive wheels straight, cross the nondrive wheels c. drive wheels crossed, nondrive wheels straight d. drive wheels crossed, nondrive wheels crossed
Answers: 1
Engineering, 04.07.2019 18:10, niyawilliams23
Asingle-geared blanking press has a stroke of 200 mm and a rated capacity of 320 kn. a cam driven ram is assumed to be capable of delivering the full press load at constant force during the last 15 percent of a constant-velocity stroke. the camshaft has an average speed of 90 rev/min and is geared to the flywheel shaft at a 6: 1 ratio. the total work done is to include an allowance of 16 percent for friction a) estimate the maximum energy fluctuation b) find the rim weight for an effective diameter of 1.2 m and a coefficient of speed fluctuation of 0.10
Answers: 1
28-7 a long segment of suburban freeway is to be designed on level terrain. the level segment, howev...
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