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There are supplied to a nozzle 2400 lb/hr of steam at an absolute pressure of 200 psia. At the entrance, v1 = 6000 ft/min, v1 = 2.29 ft^3/lb, and u1 = 1113.7 Btu/lb. At exit, p2 - 14.7 psia, v2 = 26.77 ft^3/lb, and u2 = 1077.5 Btu/lb. Calculate exit velocity in (ft/sec) Show energy term calculations clearly.
two equal-length springs are nested together in order to form a shock absorber. if it is designed to arrest the motion
suppose a heat engine is connected to two energy reservoirs one apool of molten aluminum 660degc and the other a block
a thin-walled closed-end cylindrical pressure vessel with spherical end caps is internally pressurized to 500 psi. if
in figure below a charged particle moves into a region of uniform magnetic field goes through half a circle and then
Describe the kutta condition.
a large plate of a titanium-aluminum-vanadium alloy ti-6al-4v is at room temperature. estimate the maximum length of an
An air conditioner in the airport of Timbuktu runs a cooling system using R-410a with a high pressure of 1500 kPa and a low pressure of 200 kPa. It should cool the desert air at 45 degrees C down to 15 degrees C. Find the cycle COP. Will the syste..
Steam enters a diffuser at 20 psia and 240oF with a velocity of 900 ft/s and exits as saturated vapor at 240oF and 100 ft/s. The exit area of the diffuser is 1 ft2. Determine (a) the mass flow rate of steam and (b) the rate of entropy generation.
a car moves along a straight line starting from rest with an acceleration of 5 fts2 for 6 seconds then brakes with a
You have a 120 Ω quarter bridge 2 wire set up with Sg=2.10 and an unknown lead wire resistance. A 59880Ω calibration resistor is switched in parallel to the gage only and a recording instrument is set to give a -100 mm deflection for this calibrat..
nutrients dissolved in water are carried to upper parts of plants by tiny tubes partly because of the capillary
the acceleration of a particle is defined by the relation akt2. a knowing that v-8fts when t0 and that v 8fts when t2s
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