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Air passes through a gas turbine system at a rate of 4.5kg/s. It enters with a velocity of 150m/s and a specific enthalpy of 3000kJ/kg. At exit, the velocity is 120m/s and the specific enthalpy is 2300kJ/kg. The air has a heat loss to the surroundings of 35kJ/kg as it passes through the turbine. Determine the power developed by the turbine.
a hunter aims directly at a target 140 meter away. if the bullet leaves the gun ay a speed of 280 m/s, by how much will the bullets miss the target?
air flows through a tube that has a throttling valve in it. if the tube is perfectly insulated perform a thermodynamic
hydrogen gas is contained in a vertical piston-cylinder device at 14.7 psia and 15 ft3 at this state a linear spring
an air standard otto cycle has a compression ratio of 9.5. at the beginning of the isentropic compression the working
The space between two 6 in. long concentric cylinders is filled with glycerin (viscosity = 8.5X10-3 lb s/ft2). The inner cylinder has a radius of 3 in. and the gap width between the cylinders is 0.1 in. Determine the torque AND power required to rota..
two mating spur gears are 20 mm wide and the tooth profiles have radii of curvature at the line oif contact of 10 and
refrigerant r-134a with a mass of 0.08 kg is expanded adiabatically from a superheated vapor at 10 bar 40 c to a
A particle travels along a straight line with a velocity of v=(4t-3t^2)m/s, where t is in seconds. Determine the position of the particle when t = 3.5s .s=0 when t=0. A sphere is fired downwards into a medium with an initial speed of 28m/s .If it exp..
h2o at 1000of 140 psi enters a turbine and expands to 5 psi. the mass flow rate is 4 lbms and the power developed is
How many engagement points on the flywheel would be necessary to make this machine safe
air flows through a well-insulated nozzle operating at steady state. at the inlet the pressure is 4 bar the temperature
the tensile strength of a copper sheet increases to 45 ksi by 25 cold work. we want to produce a 0.040 thick sheet of
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