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Air at 80 kPa, 300 K, and 250 m/s enters a diffuser at a rate of 2.5 kg/s and leaves at 315 K. The exit area of the diffuser is 400 cm^2. As it passes through the diffuser, the air loses heat at a rate of 12 kJ/s.
Calculate the exit velocity (151 m/s)
Calculate the exit pressure (37.3 kPa)
air enters a one-inlet one-exit control volume at 6 bar 500 k and 30 ms through a flow area of 28 cm2. at the exit the
calculate the overall efficiency the heat rate mw and the total fuel rate kgs of a combined-cycle power plant 1 if no
Diffusion Coeffiecient, Calculate Constant, The diffusion coeffiecient for Cr^+3 in Cr2O3 is 6x10^-15 cm2/s at 727 degrees Celcius and is 1x10^-9 cm2/s at 1400 degrees Celcius.
Coefficient Reaction, The removal efficiency of a reactor tank is 73-percent and its residence time is 28.5s
a cyclic steam power plant is to be designed for a steam temperature at turbine inlet of 360 celsius and an exhaust
Water enters a hydraulic turbine through a 30-cm-dia pipe. The pressure drop in the turbine is measured by a mercury manometer to be 1.2 m. For a combined turbine-generator efficiency of 83%, determine the net electric output. Disregard the effect..
Twenty-five samples of steel beam were chosen and tested for Young's Modulus. Eight had a modulus of E = 30 x 10^6 psi. Two had a modulus of E = 29 x 10^6 psi. Fifteen had a modulus of E = 30. x 1-^6 psi.
(i) Name any incongruent melting intermediate compound(s) present. (j) Locate and draw a square around all congruent melting equilibria. (k) Label all the two-phase fields. (l) Is either Ti or Ni allotropic?
a closed rigid stationary and adiabatic pressure vessel initially contains two-phase h2o at a pressure of 175 kpa and a
one mole of an ideal gas at t 25 degc is held in a cylinder by a piston at a pressure of 1 x 107 n m-2. the piston
The nominal breaking strength of the rope is 10,000 lbs. Calculate how much payload this assembly can allowably pick up. Show your work.
to analyze the motion of a body that is traveling along a curved path to determine the bodys acceleration velocity and
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