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Air enters a nozzle steadily at 2.21 kg/m^3 and 30 m/s and leaves at 0.762 kg/m^3 and 180 m/s. If the inlet area of the nozzle is 80 cm^2 determine a) The mass flow rate through the nozzle and b) The exit area of the nozzle.
The weather channel reports that it is a hot, muggy day with an air temperature of 90°F, a 10 mph breeze out of the south west, and bright sunshine with a solar insulation (i.e. the solar heat source) of 400 W/m2.
It is desired to establish freezing of 10,000 loaves of bread each weighing 0.75 kg from an initial room temperature of 18°C to a final store temperature of -18°C. If this is to be carried out in such a way that the maximum heat demand for the free..
hydrogen at 25 bar 450degc enters an adiabatic turbine and expands to 2 bar 160degc with a mass flow rate of 0.2 kgs.
The speed of sound in air is proportional to the square root of the absolute temperature. If the speed of sound is 1126.0 ft/s when the air temperature is 68 °F (degree F), what will the speed of sound be when the air temperature is 105 °F (degree F)..
A vessel with a frictionless piston contains 1 ft^3 of a gas at 200 psia. The piston is held in position by applying an external force. Calculate the amount of work done if:
a storage tank is 40 feet above a river. water is pumped from the river to the storage tank at a rate of 0.095m3s. the
a polluted air stream flowing at 12000 acfm at 90 degf and 1 atm has a concentration of 500 ppm of ethylbenzene c8h10.
determine the internal normal force and shear force and the bending moment in the beam at points c and d. assume the
Air enters the compressor of a turbofan engine at –20°C and 60 kPa, with a flow rate of 95 kg/s and speed of 170 m/s. At the compressor exit, pressure is 1830 kPa, temperature is 455°C, and speed is 134 m/s.
the case of a power transistor which is of length l10mm and diameter d12mm is cooled by an air stream of temperature
for a brittle material that has a crack of length 0.04mm and flexural strength and elastic modulus values of 88.1 mpa
water vapor at 5 bar. 320 degree c enters a turbine operating at steady state with a mass flow rate of 1.5 kgs and
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