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Air enters a diffuser with a velocity of 200 m/s, a static pressure of 70 kPa, and a temperature of -6?C. The velocity leaving the diffuser is 60 m/s, and the static pressure at the diffuser exit is 80 kPa. Determine the static temperature at the diffuser exit and the diffuser efficiency. Compare the stagnation pressures at the inlet and the exit.
According to the design philosophy in the AASHTO Specifications, how does a heavy truck parked on a prestressed bridge girder effect the nominal shear resistance of the girder
Water flows through a pipe at 14cfs. At a point where the pipe diameter is 18in. the pressure is 30 psi; at a second point, further along the flow path and 2 ft lower than the first, the diameter is 9in. and the pressure is 18psi.
You are asked to design a winch system for Santa's sleigh. Assume that Santa weighs 300 lbs, visits 10 houses an hour and requires a 20 foot lift at each house, what is the average power that the system will use if it is perfectly efficient? Express ..
A crest vertical vurve and a horizontal curve on the same highway have the same design speed. The equal-tangent vertical curve connects a +3% initial grade with a +1% final grade and has a PVC at 101+78 and a PVT at 106+72
choose one 1 native american tribe residing within the continental united states lower 48 states at the time of first
simply supported beam l1l2 m long carries a point load gk a kn qk b kn at mid-span and its self-weight with fire
Assume the settling tank behaves like an ideal sedimentation tank, what percentage of removal should be expected for particles with a settling velocity of 0.002 m/sec
The directional hourly traffic flow is 2000 vehicles with 5% large trucks and buses (no recreational vehicles). The total ramp density for this freeway segment is 2.33 ramps per mile. If peak hour factor is .90
Important information about Mechanical engineering dynamics, A 3000 lb car rests on a horizontal street out of gas with its brakes locked.
A piston-cylinder assembly containing 1/4 kg of a gas undergoes a constant pressure process at 5 bar beginning with a specific volume of 20 m^3/kg. for the gas in the system the work is -15 kj. determine the final volume of the gas in m^3
A 600 MW power plant has an efficiency of 36 percent with 15 percent of the waste heat being released to the atmosphere as stack heat and the other 85 percent taken away in the cooling water.
To orient the total station, a backsight will be made on a POT on the back tangent. Compute lengths and azimuths necessary to stake the curve at 30-m stations.
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