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Suppose there are two classes of vehicles, fast vehicles driving 120 km/h and slow vehicles moving at 90 km/h. At the entrance to the road (x=0), an equal number of each type of vehicle is measured under a total flow of 1000 veh/h (so 500 veh/h each).
Exercise 1. Calculate the density on the road. Base your answer on the density of the slow vehicles and the fast vehicles.
Exercise 2. Calculate space mean speed.
Exercise 3. Calculate the time-mean speed.
Find the global stiffness matrix - determine the approximate vertical reactions. Circles represent pinned connections. Note the pins on the horizontal beam are just to the right/left of the columns.
Using a series of simple sketches, explain the principles of sealant joint design .List several sealant materials suitable for use in the joints that you have shown.
Based on these data points, determine the strength coefficient and strain hardening exponent.
chromate waste is concentrated by evaporation in a series of shallow flow through reactor tanks connected by a short
A pump in a large industrial hall containing 30 liters gasoline breaks down, causing the gasoline to spill into a 3 m2 sump surrounding the pump. The liquid pool is ignited by sparks. Assume the combustion to be 70% effective and the heat loss due..
Bars AB and CD are made of A-36 steel and 2014-T6 aluminum alloy,respectively. When the temperature is at 75degreeF, ACE is in the horizontal position.
Determine the moment of inertia and the radius of gyration of the shaded area with respect to the x axis.
Based on your results, determine the after-tax income that you will need in order to afford the residence. Note that being qualified for a mortgage does not necessarily mean that one can actually "afford" the residence.
Francis and Kaplan turbines are often provided with draft tubes, which lead the exit flow into the tailwater region, as in Fig. P11.98. Explain at least two advantages in using a draft tube.
A piston/cylinder contains 1 lbm water at 40 psia, 600 F, and it now cools to 280 F in an isobaric process. The heat goes into a heat engine that rejects heat to the ambient at 77 F, shown in Fig. P6.46, and the whole process is assumed reversible..
Determine the payback period for an asset that has a first cost of $40,000, a salvage value of $8000 anytime within 10 years of its purchase, and generates income of $6000 per year.
Design a column base plate for a W10 x 33 column supporting a service dead load of 20 kips and a service live load of 50 kips. The column is supported by a 12-inch x 12-inch concrete pier. Use A36 steel and f 'c = 3 ksi. Answer 12 x 12 x 5/8
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