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An ideal cold air-standard Brayton cycle engine operates with air entering the compressor at 27 C. The pressure ratio is 6, and air leaves the combustion chamber at 1100 K. Determine the following: 1. The compressor work (kJ/kg) 2. The turbine work (kJ/kg) 3. The cycle thermal efficiency 4. The cycle thermal efficiency if an ideal re-generator is employed.
a rankine cycle is to drive an electric generator to produce 600 mw of electricity. the generator is 95 efficient.the
Demonstrate suitable accuracy by using a simple hand calculation for the static analysis of the structure. Describe in detail the hand calculations performed to validate the final solution. What is the approximate error between the simplified hand..
on the basis of the information given ,is it possiple to compute the magnitude of the load that is necessary to produce this change in length?
The main elevator A of the CN Tower in Toronto rises about 349 m and for most of its run has a constant speed of 22 km/h. Assume that both the acceleration and deceleration have a constant magnitude of g/3 and determine the time duration t of the ..
a mixture of nitrogen and carbon dioxide with a carbon dioxide mass fraction of 50 percent has a constant-volume
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.
a polyethylene bar having diameter d14 inches is placed inside a steel tube having inner diameter d2 4.01 inches. the
The wheel of a crane lift is rolling on a flat rail. The radius of the wheel is 4 in, the contact length and force are 2.5 in and 1 ton respectively, and E = 30 MPa and ν = 0.3 for both parts. Determine (a) the maximum contact pressure, (b) the wi..
Consider a NACA 0009 airfoil that has a plain flap whose length is 0.2c and which is deflected 25. a. Calculate cl and cmc/4 When the geometric angle of attack is 4 degrees, what is the section lift coefficient? Where is the center of pressure?
Explain the differences between fire-tube boilers and water-tube boilers and discuss the major factors which affect the choice of boiler type for particular applications.
a 600 mw coal-fired power plant has an overall thermal efficiency of 38. it is burning coal that has a heating value of
if the 1500-lb boom ab the 200-lb cage bcd and the 175-lb man have centers of gravity located at points g1 g2 and g3
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