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A hypothetical A-B alloy of composition 56 wt% B-44 wt% A at some temperature is found to consist of mass fractions of 0.5 for both alpha and beta phases. If the composition of the beta phase is 88 wt% B-12 wt% A, what is the composition of the alpha phase?
a storage tank is 40 feet above a river. water is pumped from the river to the storage tank at a rate of 0.095m3s. the
cooling water circulates through a water jacket enclosing a housing filled with electronic components. at steady state
consider the isothermal expansion of 4.50 mol of an ideal gas at 450 k from an initial pressure of 12.0 bar to a final
air flows through a tube that has a throttling valve in it. if the tube is perfectly insulated perform a thermodynamic
An accelerating car develops 15 kW at a speed of 30 km/h on a level roadway, when towing an identical vehicle whose engine is out of action. Find the tension in the towrope at this speed, if each car has a constant attractive resistance of 650 N
Determine the horsepower required to overcome the drag on a streamlined car traveling at 90 km/hr. The drag coefficient C is 0.2, and the drag force is Fp = .5pv^2AC. Where A is the projected area of the car and v is the velocity. The density of the ..
4-81 air is contained in a cylinder device fitted with a piston-cylinder. the piston initially rest on a set of stops
the inner and outer glasses of a 1.2-m x 1.2-m double pane window are at 150c and 90c respectively. if the 6-mm space
i need you to write a report about heat treatment of steel. i will attach the report format which you need to stick
air enters a compressor operating at steady state with a volumetric flow rate of 8 m3min at 23degc and 0.12 mpa. the
Determine the change in internal energy twice for each of the 3 cases identified below. In your first calculation assume ideal gas behavior, and use appropriate specific heat at the average temperature. In your second calculation, use real substance ..
A Closed, Rigid tank contains a two-phase liquid-vapor mixture of Refrigerant 22 initially at -20oC with a quality of 50.36%. Energy Transfer by heat into the tank occurs until the refrigerant is at a final pressure of 6 bars. Determine the final tem..
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