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A device with no moving parts provides a steady stream of chilled air at 248.15 K (-25°C) and 1 bar. The feed to the device is compressed air at 298.15 K (25°C) and 5 bar. In addition to the stream of chilled air, a second stream of warm air flows from the device at 348.15 K (75°C) and 1 bar. Assuming adiabatic operation, what is the ratio of chilled air to warm air that the device produces? Assume that air is an ideal gas for which Cp = (7/2)R.
She believes she can extract 1700 kW of work and 220 kW of heat that will be used to boil water at 1 bar. Her process, whose details are yet to be determined, will receive streams A and B as inlet and will have a single outlet stream that will be ..
Hot air at 150 ºC is blown up through the dryer belt at a volumetric flow rate of 7200 m3 /hr per m2 of belt area. Will the bed of solids on the belt fluidize?
One mol of a solution, whose bubble point at 0.5 bar is 48.3 °C, is mixed with chloroform until the final mixture contains 50% chloroform (by mol). How much chloroform is needed?
Calculate the average mechanical torque needed to turn the coil and generate power for the resistor. Identify the action of the device as that of a motor or a generator.
Find the -6 dB width of the envelope of a time pulse and the two end frequencies needed to scan a 1 mm thick slice from -15 cm to +15 cm around an isocenter on the z axis. Assume Gz = 0:5 T=m.
Calculate the size of the current pulse applied at 6 ms for 1 ms, necessary to raise Vm to 40 mV.
The uniform air gap is of length 1 mm, while the armature diameter is 0.5 m, and the axial length of the machine is 1.5 m. The field winding carries a current of 1 A (dc) and the rotor is driven at 3600 r/min.
Assist with the setting of design variables necessary for sizing equipment
And if the reactant was in excess to the waste stream and was modeled with 2nd order kinetics equal to k = 1000 g-moles per liter minute --- what does this mean?
part-1why fiuids are importantnbspin chemical engineering1. enormous number of materials normally exist fias gases or
What diameters of inlet and outlet pipes would be required for a flow of 2270kg per hour with a velocity of 15m/s both before and after the reducing valve?
The petrol used for petrol engine contain, 84% carbon and 16% hydrogen. The air supplied is 80 % of that theoretically required for complete combustion. Assuming that all hydrogen is burnt, and that carbon burns partly to CO and par..
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