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Consider an Al-25% Si alloy. (See Figure 11-19.) Determine
(a) if the alloy is hypoeutectic or hypereutectic,
(b) the composition of the first solid to form during solidification,
(c) the amounts and compositions of each phase at 578°C,
(d) the amounts and compositions of each phase at 576°C,
(e) the amounts and compositions of each microconstituent at 576°C, and
(f) the amounts and compositions of each phase at 25°C.
water vapor at 10 mpa 600 degrees c enters a turbine operating at steady state with a volumetric flow rate of 0.36 m3
q1. 1.5 kg of oxygen n2 and 0.15 kg of helium he2 are separated by a partition in a vessel.nbsp the nitrogen is at 5
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
Suppose the machinability criterion were the cutting speed for a 10-min tool life rather than the present criterion. Compute the machinability rating for this case.
The interior of a building is maintained at 23oC by a heat pump cycle operating at steady state while receiving thermal energy from well water at 12oC. The thermal energy discharged to the building is at a rate of 116, 250 kJ/h.
In the system A + B activity coefficients can be expressed by the one-parameter Margules equation with A=0.5. The vapor pressures of A and B at T=80C are 900mmHg and 600mmHg respectively. Is there an azeotrope in this system at T=80C and if so, what ..
Steam at 140 lbf/in.2, 1000°F enters an insulated turbine operating at steady state with a mass flow rate of 3.24 lb/s and exits at 2 lbf/in.2 Kinetic and potential energy effects are negligible. Determine the maximum theoretical power that can b..
What is the dimension of the Configuration Space of the mobile manipulator shown in fig. 2, where a PUMA robot (6R) is sited on top of a mobile base which can rotate and move along X, Y directions?
Find the tension on T1, T2 and T3.
a small 4 oz particle is prokected with a horizontal velocity of 6ftsec into the top of smooth circular guide fixed in
consider a carnot heat-engine cycle executed in a closed system using 0.02kg of refrigerant-134a as the working fluid.
A concrete caisson having a mass of 5000 ton, a foundation surface of 20 m ×20 m, and a height of 10 m, is being placed on dry sand. Calculate the average total stress and the average effective stress just below the caisson.
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