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An equimolar mixture of helium and argon gases is to be used as the working fluid in a closed-loop gas-turbine cycle. The mixture enters the turbine at 2.5 MPa and 1300 K and expands isentropically to a pressure of 200 kPa. Determine the work output of the turbine per unit mass of the mixture.
moist air at standard conditions in an indoor building space has a dry bulb temperature of 72f and relative humidity
at a particular location in the ocean the temperature near the surface is 80of and the temperature at a depth of 1500
A stationary gas turbine power plant operates on a simple ideal Brayton cycle with air as the working fluid. The air enters the compressor at 95 kPa and 290 K and the turbine at 760 kPa and 1100 K. Heat is transferred to the air at a rate of 35,00..
consider a well insulated container of total volume v.a initially the container is divided into 2 equal parts using a
A small steel ball bearing with a mass of 13 g is on a short compressed spring. When aimed vertically and suddenly released, the spring sends the bearing to a height of 1.35 m. Calculate the speed at which the ball leaves the spring.
A vertical piston/cylinder device contains 0.01 lbm of gas. The initial gas volume is 0.18 ft3 and the initial specific internal energy is 282 Btu/lbm. The piston, with a mass of 110 lbm and cross-sectional area of 0.11 ft2, is in equilibrium with th..
Determine the percent error n in replacing the sine and the tangent of an angle by the value of the angle in radians for angle values 5 degrees, 10 degrees, and 20 degrees. Explain the qualitative difference between the sine and tangent results.
A heat pump with a COP of 3.0 is used to heat an air-tight house. When running, the heat pump consumes 5 kW of power. If the temperature in the house is 5 degrees C when the heat pump is turned on, how long will it take for the heat pump to raise the..
a stunt driver proposes to drive a small automobile at the speed of 45 mihr on the vertical wall of a circular pit of
descriptionthe program for this assignment comes from a research project i did while i worked at kumed. a researcher
although ripening of tomatoes can be retarded by low temperatures storage under refrigeration can cause chilling injury
Calculate the 2x4 Block's Weight, mass, density and Specific Weight. Express values in both metric and US units. Compute the force needed to completely submerge the object.
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