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An air-conditioning system, 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.
you are planning to build a new home with approximately 2000 -2500 gross square feet of living space on one floor. in
A rock weighs 90.8 N in air and 45 N when completely submerged in water. Determine the specific volume of the rock in m3/kg
If the combined cycle power plant in problem 3 rejects its heat to a nearby lake with 16,000 acre feet of water, how fast in degrees/day will the temperature of the lake rise if it is assumed that the lake is insulated and cannot reject heat in any o..
1. Natural gas and 100% excess air enter the combustion chamber of the Capstone micro-gas turbine at 400 kPa and 452 °C.
hydrogen at 25 bar 450degc enters an adiabatic turbine and expands to 2 bar 160degc with a mass flow rate of 0.2 kgs.
What is the effect of immersion depth on a glass electrode and what aspects of the design of a pH electrode installation would lead to reduced manual maintenance and improved reliability
An oil storage tank has a flat, horizontal, circular roof that is 77 ft in diameter. The tank has a vent to the atmosphere to allow air to move in and out as the tank is filled or emptied. The vent is plugged by snow in a blizzard while the oil is be..
the coefficient of restitution is 0.9 between the two 60-mm-diameter billiard balls a and b. ball a is moving in the
a car with a mass of 1480 kg is constructed so that its frame is supported by four springs. each spring has a force
a machine component is made of 2024-t4 aluminum. the external loads produce highest operating principle stresses that
in a crank or slotted lever quick mechanism the distance between the fixed centre is 150 mm and driving crank is 75 mm. determine the ration of the time taken of cutting & return strake .
ethanol blended with gasoline can be used to power a flex-fueledcar. one particular blend that is gaining in popularity
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