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Water at 20°C flows steadily through the piping junction in Fig. P3.32, entering section 1 at 20 gal/min. The average velocity at section 2 is 2.5 m/s. A portion of the flow is diverted through the showerhead, which contains 100 holes of 1-mm diameter. Assuming uniform shower flow, estimate the exit velocity from the showerhead jets. loss of the propellant, assuming that the exit gas has a molecular weight of 28.
a pipe in a manufacturing plant is transporting superheated vapor at a mass flow rate of 0.3 kgs. the pipe is 10 m long
Consider a germanium wafer which has been doped with antimony to become extrinsically semiconducting at room temperature. What type of semiconductor is antimony doped germanium? What are the majority (or dominant) charge carriers in this material nea..
1 a if the vacancy concentration in cu is measured to be 10-5 at 1300k near its melting point what is evf? assume
Consider the manometer attached to this pressure vessel as shown. If the manometer fluid is mercury (density=13,600 kgm3), and the height of the fluid (h) is 3.9 cm, then what is the absolute pressure (P) in the pressure vessel in kPa?
Determine all reactions and draw the shear and moment diagrams, locating points of inflection and labeling values of maximum shear and moment. in each span.
a horizontal force f pushes a 10 kg block up a fricitionless ramp with a circular contour the radius of curvature of
A cubical block of density PB and with sides of length L floats in a liquid of greater density PL (a) What fraction of the block's volume is above the surface of the liquid?
The concentration of flavor within the sphere is 100% and mass diffusivity for the flavor compound within the liquid food is 7.8 X 10^-9 m2/s. Estimate the steady state mass flux of flavor into liquid food from surface of time-release sphere. The ..
a piston-cylinder device with a set of stops initially contains 0.3 kg of air at 10 atm and 400?c. the location of the
as a designer you are required to develop a new closed sealed thermal energy storage cell that has a maximum reversible
What size UNF bolt made from SAE grade 5 steel is needed to carry a static tensile load of 3000lb with a safety factor of 4 based on proof strength? If this bolt is used with a nut ade of steel corresponding to SAE grade 2 specifications, what is the..
If one third of this energy goes into heat and other forms of internal energy of the motor, with the rest going to the motor output, how much angular speed is required to run this motor when 0.382 Nm torque is applied.
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