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A static thrust stand is to be designed for testing a specific jet engine. Knowing the following conditions for a typical test,
intake air velocity = 700 ft/s
exhaust gas velocity = 1640 ft/s
intake cross section = 10 ft^2
intake static pressure = 11.4 psia
intake static tempature = 480 degree R
exhaust gas pressure = 0 psi
estimate a nominal thrust to design for.
In a given experiment it is determined that the pressure change (deltaP) between two points in a pipe is dependent upon the density(p) of the fluid, the diameter(D) of the pipe, and the velocity(V) of the pipe.
A magnetic separator processes 500 kg/hr of finely ground magnetite ore (Fe3O4). The ore containes 35% magnetite and an analysis of the concentrate and tailings shows that they contain 59.5% Fe and 3.8% Fe
Calculate the area of a circular tract of land which has a radius of 30 meters using the mathematical formula, Trapezoidal Rule, and Simpson's Rule. Compare your results. Use an offset of 5 meters.
a 2000-mw electric generating station burns 278 tonnes of residual fuel oil per hour. the fuel contains 2.6 s and 1.2
At the design flow, it is intended to have a relative depth of 0.8. At what minimum slope can it be laid such that the velocity is at least 2 ft/s at design flow and depositied solids will be scoured out by the deisgn flow
If the force is removed when the crate reaches point B, and the crate is then released from rest, determine the crates's velocity when it slides back down the plane and reaches point A.
Plot the variation with depth (z) of the at-rest lateral earth pressure behind the wall, and determine the magnitude and location of the at-rest lateral earth force per unit length of wall.
Jackie is now exactly 40 years old, and plans to invest a recurring amount over the next 15 years (until age 55) in an account bearing 10% annual interest. She plans to retire at age 65 and live to age 100 (don't we all).
If the heat pump requires a power input of 2 kW, and the room requires a heat input of 15 kW to maintain the temperature at 25°C, (a) find the COP of the heat pump. (b) Determine if the heat pump is reversible, irreversible, or impossible.
How much of a reduction in the automobile emission rate would be required to achieve the maximum eight-hour average NAAQS for CO at steady state 9ppmv (10.3 mg/m3)?
a rectangular piece of steel is 10" wide by 60" long by 3" deep, what is the max tensile force that could be applied to the steel, and what is the total elongation of the steel
a cm reactor receives influent containing 10.0 mgl of tracer for 2 h. then tracer addition is terminated but the flow
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