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A certain industrial process requires a steady 0.75 kg/s supply of compressed air at 500 kPa, at a maximum temperature of 30C. This air is to be supplied by installing a compressor and after cooler. Local ambient conditions are 100 kPa, 20C. Using a reversible compressor, determine the power required to drive the compressor and the rate of heat rejection in the after cooler.
assume that blood is flowing through an aorta of 1cm diameter at an average velocity v of 50 cmsec. take alpha to be 12
Wind turbines are becoming more and more common as a method of energy production, wind turbines by their very nature are dynamic and are subject to and create their own internal and external kinematics and kinetics.
A perfect gas (methane) undergoes a reversible polytropic process in which the polytrotic exponent is 1.4. 1) Using the first law, arrive at an expression for heat transfer per unit mass solely as a function of the temperature difference (change in T..
a piston with a mass of 500 kg is being held in place by 0.5 kg of oxygen in a circular cylinder of diameter of 50 cm.
a particle known as a pion lives for a short time before breaking apart into other particles. suppose it is moving at a
Determining Feasibility, At steady state, a new power cycle is claimed by its inventor to develop 6 horsepower for a heat addition rate of 400 Btu/min
a why is it useful to plot the results on log-log graph paper rather than cartesian graph paperb what are some of the
an electric current of 0.25 a flows through a 5-ohm electrical resistor placed in an evacuated chamber. the resistor is
if the critical resolved shear stress for yielding in aluminum is 240kpa. calculate the tensile stress required to cause yielding when the tensile axis is [001]
the limb of a manometer is inclined at 12 0 to the horizontal. if the water column along the tube is 250 mm what
a system has an initial volume of 10 ft3 and expands to a final volume of 20 ft3. the initial pressure is 15 psia. find
solar energy reaching the earth is about 1350 wm2 outside the earths atmosphere and 950 wm2 on earths surface normal to
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