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A thermodynamic cycle operates between hot and cold reservoirs at 1120 K and 540 K, respectively, while receiving energy via heat transfer from the hot reservoir at a rate of 1620 kW. The cycle discharges energy heat transfer to the cold reservoir, and develops a power at a rate of (a) 1000 kW, (b) 750 kW, (c) 0 kW. For each case, use the appropriate equation of a time-rate basis to determine whether the cycle operates reversibly, operates irreversibly, or is impossible. (sketch)
The temperature of the water drops to 260 F as a result of heat transfer to the surroundings. Determine the final pressure in the tank?
Find the stress in both members shown below and what steel specifications (types of steel) are suitable for structural applications?
a suppose the sound pressure level at a distance of 100 m from a single wind turbine is 55 db. what is the sound power
A 1982 U.S. Department of Energy article (FS#204) states that a leak of one drip of hot water per second can cost $1.00 per month. Making reasonable assumptions about the drop size and the unit cost of energy, determine if this claim is reasonable. S..
question 1 evaluate distribution of shear force bending moment and stress due to bending in the simply supported beam
calculate the cost per piece of a milling operation that is used to machine a pocket of 2x3x0.5 lxwxd. the material
the velocity of falling parachute is computed asvtgmc 1-e-cmtwhere g9.8ms2 m50kg c12.5.use 3 terms of taylor series to
determine the tension developed in each cord required for equilibrium of the 21- kg lamp. determine the tension
it is found that 10 btus of heat must be supplied to a house in order to maintain its temperature at 70of when the
water vapor enters a turbine operating at steady state at 30 mpa 600 oc and expands adiabatically to 6 mpa. if the
steam expands in a turbine steadily at a rate of 25000 kgh entering at 6 mpa and 450degc and leaving at 20 kpa as a
air enters a compressor at 179 kpa and 290 k and exits at a temperature of 500.9 k. determine the power kw for the
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