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A compressor receives air at 95kPa and 250C at low velocity. At the exit of the compressor, air discharges at 1.52MPa and 4300C with a velocity of 80m/s. The electrical power of the consumption of the 90% efficient compressor is 7500KW. Determine the mass flow rate of the air through the unit.
it is observed that when a regulation 20 ounce basketball is dropped from a height of 1.3m onto a floor it bounces back
the pressure in an automobile tire depends on the temperature of the air in the tire. when the air temperature is 25
For a pump in the basement which must deliver water to a bucket on the floor of the upper mechanical room, what is the minimum pressure in psig you will see at the pump discharge.
a system consisting of 3 lb of water vapor in a piston-cylinder assembly initially at 350 degrees f and a volume of
a curved nozzle assembly that discharges water to the atmosphere is shown. The nozzle mass is 4.5 kg and its internal volume is 0.002 m^3. The fluid is water. determine the reaction force exerted by the nozzle on the coupling to the inlet pipe.
air assumed to be a perfect gas flows through a long 2-cm-diameter insulated tube. at section 1 the pessure is 1.1 mpa
india has a land area of 2.97 x 106 km2 57 of which is cropland. if 5 of the cropland were dedicated to producing
for the wide-flange beam with loading shown determine the largest load p that can be applied knowing that the maximum
saturated vapor steam at 5 psia eneters an adiabatic heat exchanger and leaves as saturated liquid at 5 psia. the steam
a rigid tank contains 20 lbm of air at 20 psia and 70degf. more air is added until the pressure and temperature rise to
in a chemical processing plant glycerin flows over a 1 m long heated at plate at free-stream conditions v 3 ms and t1
The formula for the coefficient of performance 'COP' for air standard refrigeration cycle when we use cold air properties is not given in the text. Derive the expression for COP as function of the compression ratio similar to how the ideal Brayton..
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