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Compressed air at 400 kPa and 27C is used to drive a small high-speed turbine. The power output of the turbine is just 0.1 kW. If the process is adiabatic and steady, what is the required flow rate of air through the turbine if the exit state is 100 kPa and - 53 C. Assume negligible change of kinetic energy through the turbine and that air may be approximated as an ideal gas.
A circular rc girder for the foundation raft of water tower has dia 10m.the udl load transmittedby 8 coloumn on te girder being 300 kn/m.the width of the beam is 500 mm and the over depth.
A three span continuous beam has spans of 27, 30, and 27 feet. The beams support one-way slabs, 6 inches thick that span 20 feet center to center. Assume that the beams are 16 inches wide and 24 inches deep.
Compare the total reactor volume required for 90% removal of the same pollutant in a CSTR system that contains a single reactor against a system that contains three CSTR reactors of equal volume in series.
Knowing that its speed continues to increase at the same rate until it reaches 100 km/h at point C, 1) determine the speed at point B, and 2) the magnitude of the total acceleration when t = 20 seconds.
Discuss the dangers of optimization in terms of minimum section to support loads. In other words, how would optimizing for bending stresses affect the shear capacity of a section
A simply supported steel 'I beam' is made of three 1"*8" plates with a mass of 898.4 lbmass each as shown in I beam form. Steel has a modulus of elasticity of 30*10^6 psi. The beam is allowed to deflect 1.05 inch.
A completely mixed activated-sludge plan is being designed for a wastewater flow of 3.0 mgd. The BOD of 225 mg/l is 200 mg/l soluble. The effluent soluble BOD requirement is 7 mg/l (70 percent of the total 10 mg/l).
given: Vf=Vi + a t and Sf=Si + Vi t + 1/2 a t a= 27 ft/sec^2 accelerates from 10 mph to 93 mph in 4.5 seconds designers decided to modify the rise to become the tallest roller coaster in the world, find final velocity in mph if the drop height is ..
Assuming D/D/1 queuing, what will be the total vehicle delay?
Calculate the pH of a buffer solution prepared by mixing 8.5g KH2PO4 with 43.5g K2HPO4 in 1 liter of water (this is actually the composition of the dilution water used in a BOD test. Follow the same procedures you have been using for previous acid/..
The factor of safety is defined as the ratio of the stabilizing moment divided by the overturning moment. The densities of concrete and water are = 2.40 and = 1 , respectively. Assume that the dam does not slide.
A hybrid car has a initial cost of $70,000 is to be depreciated by the straight-line method over a six years. The asset will a salvage value of $10,000. According to the straight line method, the book value at the end of year 3 is
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