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standard air is drawn from the atmosphere into a 1.25 m diameter cylindrical duct by a fan mounted inside the duct. This air is discharged down stream from the fan through a 0.6 m diameter duct at a velocity of 25 m/s and atmosphere pressure.assuming steady, incompressible flow, detrmine the rate of WORK done by the fan and the PREESURE drop across the fan
Determine the deflection of the right end of the pointer and the maximum deflection of the beam.
how many cubic feet of seawater, density 60 lb/ft^3, must be processed to recover 1 ton of magnesium, 1,272 ppm?
The coefficients of static and kinetic friction are 0.3 and 0.2, respectively, between each of the plates and between plate A and the ground. Determine the acceleration of each plate.
Find the heat transfer (in KJ/Kmol)from a steady-flow combustor if the products are at 1000 K and (a) complete combustion occurs; (b) 95% of the carbon is converted to CO2 and 5% to CO.
The yield stress for A-36 is 250 MPa. Using factor of safety against yield of 1.25, determine an appropriately sized beam such that the radius of curvature is not less than 140m. E= 200 GPa, G= 77.2 GPa.
Determine the arrival rate assuming that it is unchanged over the duration of the observation period. An approach to a pretimed signal with a 60second cycle has nine vehicles in the queue at the beginning of the effective green.
Estimate the machines production under these conditions using the travel time curves given in the Caterpillar Performance handbook.
A water tank has a height of 120m, and its area of cross-section is 2000m. Water is released from the tank and the water level drops by 1 meter every minute. Find the rate of change in volume.
A 30-ft-high, 1-ft-diameter pipe is welded to the top of a cubic container 13 ft * 3 ft * 3 ft2. The container and pipe are filled with water at 20°C. Determine the weight of the water and the pressure forces on the bottom and sides of the contain..
A 1600 ft long sag verical curve (equal tangent) has a pvc at station 1200+00 and elevation o 1500 ft. the initial grade is -3.5% and the final grade is 6.5%. determine the elevation and stationing of the low point, pvi and pvt.
A sample of soil was compacted into a 945 ml.laboratory mold. The mass of the compacted soil was 1850 grams and its moisture content was 13.1%. Specific gravity of solids is 2.70, Compute the moist unit weight, dry unit weight, and degree of satu..
Given the total dissolved solids in a brine is 20,500 ppm, compute the resisitivity at a reservoir depth of 8,000 feet.
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