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In air-conditioning systems, streams of cold and warm air are mixed to get air with the right temperature. Consider a mixing chamber into which cold air enters at 8C and 100 kPa at a rate of 0.55 m^3 /s and warm air enters at 300C and 100 kPa. The ratio of mass flow rates of warm to cold air streams is 1.6. Using variable specific heats, determine the mixture temperature leaving the mixing chamber.
Steam enters a turbine operating at steady-state at 700 ºF and 600 lbf/in2 and leaves at 0.6 lbf/in2 with a quality of 90%. The turbine develops 12,000 hp
determine the pumpcompressor work input leave as kjkg required to isentropically compress water in part a as a liquid
Liquid oxygen (LOX) is being shipped through interstellar space in a spherical tank, constructed of several layers of material. The tank has an inner diameter of 5m, and the LOX is contained in a 15cm-thick shell of polycrystalline fused silicon diox..
a pontoon of constant rectangular cross section is 50 m long 10 m wide and 5 m in depth. it floats in sea water at a
ten kilograms of water initially at 3000 kpa 200degc are contained in a piston-cylindernbspdevice shown below. a
consider the interface between atmospheric air and a body of water both at 17 degc.a. what are the mole and mass
for the ideal air standard diesel cycle with a volumetric compression ratio of 17 1 calculate the efficiencies for
There has been an explosion due to a broken 12 inch gas tube. The explosion caused a 10 meter wide and 25 meter long hole on the highway, how much C02 has been released due to this explosion? No need for exact data, just an estimate supported by equa..
a block having a mass of 0.8 kg is suspended from a spring having a stiffness of 120 nm. if the dashpot provides a
in a tempering process glass plate which is initially at a uniform temperature ti is cooled by suddenly reducing the
Determine the required length L of each splice if a factor of safety is 2.75.
The wearing parts of a coal mining machine are made of hardened tool steel, but are rarely, if ever, lubricated. The left and right wear plates for a typical tracked vehicle measure 48" long by 6" wide, and each tests at 360 HB. The vehicle weighs 10..
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