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Hydrogen expands isentropically from 15 bar absolute and 340 k to 3 bar absolute in a steady flow process without heat transfer. 1) compute the final velocity if the initial velocity is negligible B) compute the flow rate if the final duct size is 10 cm in diameter
It is given that a- iron has a BCC crystal structure, an atomic radius R = 0.124 nm, and atomic weight AFe = 55.85 g/mol. Calculate the following quantities for a- iron: Lattice parameter. Total number of atoms in the unit cell. Volume of the unit ce..
The tapered member is fixed connected at its ends A and B and is subjected to a load P = 7 kip at x =30in. Determine the reactions at the supports. The material is 2in. thick and is made from 2014-T6 aluminum (Eal = 10,600ksi).
a room is heated by an iron that is left plugged in. is this a heat or work interaction? take the entire room including
an insulated piston-cylinder device initially contains 9.647 lb of air at 20 psia and 60ordmf. then 1000 btu per lb of
Consider a saturated clay layer of 4 m thickness on top of a deep layer of stiff sand. The clay has an initial porosity n=40%. Following a lowering of the water level in the clay, the clay porosity is reduced to 30%. What is the change of thickness S..
in a steam power plant the boiler output is at 800 f and 900 psia.a. if the turbine exhausts to a condenser at 10 psia
an otto cycle uses air as the working fluid its state at the beginning of the compression is 14 psia and 60 f its
two particles a and b start from rest at the origin s 0 and move along a straight line such that aa 6t-3fts2 and ab
water flowing through a 10-cm-diameter water pipe at a rate of 0.1 m3s. now a diffuser with an outlet diameter of 20
a cubic inch of fe is subjected to a tensile stress of 25 ksi. take poissons ratio to be .291 and youngs modulus to be
A 1/10th scale model of an airplane is to be tested in a wind tunnel that operates with air at a pressure of 20 atmospheres. The plane is expected to fly at a speed of 500 [km/hr]. (a) What speed should the wind tunnel be run? (b) If the drag measure..
in a single-flash geothermal power plant geothermal water enters the flash chamber a throttling valve at 230 dgrees c
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