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One kilogram of air as an ideal gas executes a Carnot power cycle having a thermal efficiency of 60%. The heat transfer to the air during the isothermal expansion is 40 kJ. At the beginning of the isothermal expansion, the pressure is 700 kPa and the volume is 0.24 m3. Determine
a) the maximum and minimum temperatures for the cycle, in K.
b) the heat and work for each process, in kJ.
a stream of air flows steadily through a device entering at temperature t1 and exiting at t2. the air pressure remains
water at 15 degrees celsius flows through an inclined 8-cm diameter pipe. at sections 1 and 2 p1 186 kpa v1 3.2 ms z1
Colorado State equilibrium code - Use the general Gibbs energy minimization approach
a frictionless piston-cylinder contains argon which is initially at 25 deg. c with a volume of 2.2m3. the system is
a u-tube manometer is used to measure the pressure of a vessel under vacuum. assume the manometer is open to
Determine the power input (hp) to the compressor and the rate of heat transfer (Btu/hr) removed from the nitrogen in the heat exchanger.
the hydrogen spectrum has a red line at 656 nm and a blue line at 434 nm. what is the firstnbsporder angular
the aluminum shade for the small high intensity lamp has a uniform thickness of 1mm. Knowing that the density of aluminum is 2800 kg/m^3, determine the mass of the shade.
a cartridge electrical heater is shaped as a cylinder of length l200 mm and outer diameter d20 mm. under normal
Find the inside and outside diameter when the ratio of inside to outside diameters is 0.5.
A person with no experience in fluid mechanics wants to estimate the friction factor for a 1 in diameter galvanized iron pipe at a Reynolds number of 8000. The person finds the equation f = 64/Re. Explain the problem with this approach and estimate t..
a cylinderpiston contains a saturated vapor r-410a at 10 c the volume is 10 l. the r-410a is compressed to 2mpa 60 c in
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