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A Brayton cycle operates with inlet air at 14 psi and 80F. The turbine inlet temperature is 1800 F and the pressure ratio is five. Using specific heats evaluated at the inlet temperature, and cp = constant theory, find (a) the turbine work, (b) the compressor work, (c) the thermal efficiency of the cycle.
air enters a machine at 373 k with a speed of 200 msec and leaves it at the temperature of the standard sea level
consider 2 kg of butane at pressure of 7.6 mpa in a rigid tank of 0.008 m3 volume.a calculate the temperature k of
the 500 lbf motor is supported on springs with a total stiffness of 5000 lbfin. the springs have a damping ratio of
a consulting firm is contemplating the purchase of a btu meter to measure the cooling loads on chillers at a purchase
refrigerant 134a enters a compressor with a mass flow rate of 5 kgs and negligible velocity. the refrigerant enters the
A rigid tank with a volum of 2.5m^3 contains 5kg of saturated liquid-vapor mixture of water at 75deg C. Now the water is slowly heated. Determine the temperature at which the liquid in the tank is completely vaporized
A power plant operates a regenerative Rankine cycle with a reheat, one closed and one open feedwater heater and has a net power output of 1.2 x 109 Btu/hr.
a hydraulic system has a mechanical advantage of 4. If a smaller piston has a diameter of 5 inches what is the diameter of the larger piston?
water is the working fluid in an ideal rankine cylce. saturated vapors enters the turbine at 16mpa and the condensor
determine the mass and the weight of the air contained in a room whose dimensions are 6m x 6m x 8m. assume the density
how many grams of Na3PO4 will be needed to produce 250 mL of a solution of a solution that has a concentration of Na+ ions of 1.5 M.
oil with a kinematic viscosity of 0.0035ft3s flows through a 4-in-diameter pipe with a velocity of 15fts. what will be
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