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For a copper-silver alloy of composition 25 wt% Ag-75 wt% CuFor a copper-silver alloy of composition 25 wt% Ag-75 wt% Cu and at 775oC (1425oF) do the following:
(a) Determine the mass fractions of a and ß phases.
(b) Determine the mass fractions of primary a and eutectic microconstituents.
(c) Determine the mass fraction of eutectic a.
the populatoin p of a small community on the outskirts of a city grows rapidly over a 20-year periodt 0 5 10 15 20p 100
r-22 undergoes a process between two states. the process has an isentropic compressor efficiency of 80. at state 1 the
an industrial process requires that a liquid be stirred. an electric motor is used to drive the stirring device. the
the air with constant properties in a steady adiabatic flow enters a system at a pressure of 10 bars and 500 k with a
the 1-Mg forklift is used to raise the 750-kg crate with acceleration of 2 m/s. deterimine reaction exerted by the groung on the airs of wheel at A and B.
two tanks are connected by a valve. tank a contains air at 200 kpa volume of a 0.5 m3 and temperature of a 30oc. tank
Water drains from a catch basin (with negligible water depth) through a 20-cm diameter, 40 m long concrete pipe flowing full with a surface roughness of 1.2 mm and a downward slope of 2o. Determine the flow rate (volume flow rate) of water from the c..
Your textbook spends a considerable amount of time helping us understand how to use the CAST technique as an accident investigation analysis tool while focusing on the why rather than the how and what aspects of the accident or incident
the elevator e has a mass of 500kg and the counterweight at a has a mass of 150kg. if the motor supplies a constant
tank that is initially evacuated is connected by a valve to an air supply line flowing air at 20 degree c 800 kpa. the
This crate holding 40 bricks, each of mass 1.3kg, is placed on a hydraulic lifting beam as shown. State the order of the lever used here. Calculate the effort required to lift the load. Calculate the mechanical advantage for this system.
water flows vertically upward through a 10-m-long cylindrical pipe and then through a 10-m-long nozzle connected to it.
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