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A mixing chamber has two steady streams and one steady stream. The properties of the first stream is superheated steam at T1 = 400oF, h1 = 1,239 Btu/lbm and flow rate m1 = 20 lbm/h. The second stream is compressed liquid at T2 = 70oF, h2 = 38 Btu/lbm. If the rate of heat removal from the chamber is 15,000 Btu/h; i. Sketch and label the mixing chamber. ii. Estimate the flow rate of water required to make the outflow stream be a saturated liquid water at 212oF. Inflow. Specify the necessary assumptions.
The particles have an effective drift velocity of 10.0 cm/s. Specify the total plate area, channel width, number and size of plates, number of electrical sections (total and in direction of flow), and total corona power to be supplied, and estimat..
A trapezoidal channel with a bottom width of 4 feet and side slopes 2:1 (H:V) and a bed slope of 1 percent conveys a discharge of 50,000 gpm. Assume n = 0.025. Compute the normal depth.
The performance functions of these three routes are: t1=50+0.2v1, t2=80+0.1v2, t3=120 + 0.05v3 t1, t2, t3 and are travel times in minutes; v1, v2, v3 are flows in number of trucks per day.
(i) volume to supply the peak demand of 1.8 times the average demand. (ii) volume to supply fire flow for at least 9 hours, and (iii) volume to supply emergency storage 600 L/day/capita. (1 L = 0.001m^3)
Structural steel beams are to be placed at 7ft 6in on center under a reinforced concrete floor slab. If they are to support a service dead load D=64 psf of floor area and a service live load L=100 psf of floor area
Find an equation of a plane containing the three points (-2, 5, -3), (-7, 3, 1), (-7, 4, 3) in which the coefficient of x is -8.
Calculate the super-elevation required for a horizontal curve on a two-lane, two- way highway with 60 mph design speed, and a 1200 ft. radius curve. What is the required length of the spiral curve?
The centres of the piers in a bridge are 8.0m apart. The piers are each 0.8m wide. Water flow under the bridge with an upstream depth and velocity of 4.0m and 4.0m/s respectively. The pier has a drag coefficient Cd = 1.5.
A dam project specifies 97% compaction. Lab tests on the soil being used indicate that it has a maximum dry density of 1900 kg/m 3 at an optimum water content of 13.2%.
In order to comply with regulations, an iron/steel sinter plant installs an electrostatic precipitator (ESP) to collect 98% of the 10 ?m particles from an air stream flowing at 2 m3/s
Tall buildings can develop a significant difference in pressure between the inside and the outside of the building. Air lock entrances are used at the ground level so the pressure at the ground floor is not the same as atmospheric pressure. Assume th..
A marble on the end of a massless string is rotating about a hole at O on a flat(horizontal) frictionless table. The mass originally rotates with an angular velocity theta'=w0 and r is constant at r1.
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