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Two kilograms of air within a piston-cylinder assembly execute a Carnot power cycle with maximum and minimum temperatures of 750 K and 300 K, respectively. The heat transfer to the air during the isothermal expansion is 60 kJ. At the end of the isothermal expansion, the pressure is 600 kPa and the volume is 0.4 m3. Assuming the ideal gas model for the air, determine
(a) the thermal efficiency.
(b) the pressure and volume at the beginning of the isothermal expansion, in kPa and m3, respectively.
(c) the work and heat transfer for each of the four processes, in kJ.
(d) Sketch the cycle on p-V coordinates.
An electronic control system for an automobile engine is to be mounted on top of the fender inside the engine compartment. It is desirable to isolate the module from the vibration induced in the car by road and engine vibration. Design an isolator (i..
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1) What do you think of a handheld vacuum? 2) How often do you use a handheld vacuum? 3) What do you like about handheld vacuum?
One and one-half pounds of water within a piston-cylinder assembly execute a Carnot power cycle. During isothermal expansion, the water is heated at 5008F from saturated liquid to saturated vapor. The vapor then expands adiabatically to a temperat..
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carbon monoxide is initially in a 50 l tank at 210 kpa and 127c.a determine the mass of the gas in kilograms.b if 0.02
Focus mainly of consumer items such as iPods, coke bottles, running shoes
The car travels up the hill with a speed of v = (0.4s) m/s, where s is in meters, measured from A. Determine the magnitude of its acceleration when it is at point s = 50 m, where p = 500 m.
p8mpa and t500 degc and leaves at 40 kpa as saturated vapor. if the flow rate is 11.1 kgs and the power generated by
Write the form of the heat equation and the boundary/ initial conditions that determine the variation of temperature with position and time, T(x, t), in the pan bottom during Stage 1. Express your result in terms of the parameters qo, D, L, h, and T..
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