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A turbojet is flying with a velocity of 900 ft/s at an altitude of 20,000 ft, where the ambient conditions are 7 psia and 108F. The pressure ratio across the compressor is 13, and the temperature at the turbine inlet is 2400 R. Assuming ideal operation for all components and constant specific heats for air at room temperature, determine (a) the pressure at the turbine exit, (b) the velocity of the exhaust gases, and (c) the propulsive efficiency.
carbon dioxide gas enters a pipe at 3 mpa and 500 k at a rate of 2 kgs. the gas is cooled at constant pressure as it
a projectile is fired at an angle of 62deg from the horizontal with a velocity of 704 ftsec. if it lands 4.75 seconds
cylinder b has a velocity of 1.517 fts downward at t0 and a constant upward acceleration of 0.372 fts2. determine the
Refrigerant R-134a vapor in a piston-cylinder assembly undergoes a constant-pressure process from saturated vapor at 800 kPa to 50 ºC.
a piece of electronic equipment that is surrounded by packing material is dropped so that it hits the ground with a
one kilogram of saturated liquid methane at 160 k is placed in an adiabatic piston-and-cylinder device and the piston
How may data be managed to support a function (billing, human resources, accounting, finance, sales/marketing, training)?
a stunt driver travels a total distance of 1172 feet moving at a constant speed of 40 miles per hour while weaving
Determining the Exit Temperature and Power Input of Air through a Compressor, Air at 150Pa and 310K enters a compressor of inlet diameter 2cm. The Compressor raises the pressure to 3.5 times the inlet pressure
an aircraft flies at 850 fts through air at -40 f and 5 psia. the turbojet engine has a pressure ratio of 10 and the
A polymeric material is being considered as a coating film to protect an optical storage disk from water vapor damage. Suppose we need to protect a disk surface from an ambient medium that will be at 45% relative humidity at 25° C. How thick must the..
develop a one-dimensional transient numerical solution for a plane wall of a nuclear containment vessel. the external
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