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a ldquofriendrdquo asks you to construct the phase diagram for a new binary alloy of a and b the clues are i a and b
an inventor claims to have developed a device that converts heat transferred to it at 1500 degrees fahrenheit into work
a one dimensional wall of material kw10wmk is 50 mm thick with uniform heat generation qlsquolsquolsquo5106wm3 the left
a hot air balloon approx as a sphere of diameter 50ft is to lift a basket load of 600lbf to what temperature must the
an isolated system consists of a closed copper vessel of mass 01 kg containing 1 kg of liquid water each initially at
1 the barometric pressure is reported to be 6055 torr and the temperature of the water is 225 c what is the pressure of
air undergoes an isentropic process from p1 100 kpa and t1 300 k to a final state where the temperature is 700 k
an adiabatic compressor compresses nitrogen k14 r0297 from p1200 kpa and t1300k to p21500kpa the isentropic efficiency
helium gas enters a nozzle whose isentropic efficiency is 88 percent with a low velocity and it exits at 153 psia 160f
steam at 260 c and 1 atm flow through an 8-in schedule-80 steel pipe at a rate of 10000 lbhr estimate the value of h
design a reservoir for an industrial machine tool application the machine runs continuously for 8 hours a day the pump
a stream of gas flowing at 15000 scfm contains 20 ppm of toluene assuming the process operates 8500 hours per year
estimate the nominal size of the smallest sae grade 1 standard unc bolt that will not yield under a tightening torque
1 a ball is dropped from a height of 10m bounces off the floor and is observed to rise up a maximum height of 8 m how
two mass are connected by a light inextensible cord that passes over a homogeneous 4-kg cylinder having a diameter of
the following stress state exists around a wellbore drilled in the atlantic oceansigma x sigma y 80 barnbspnbsp sigma
twenty pounds of a gas mixture is contained in a tank with volume 30 cubic feet at 30 psia and 70 fnbsp the gas mixture
calculate the gibbs free energy change of a rubber band stretched to 5 times its original length with concurrent
a new cylindrical tank is being designed for seaworld where the 3m high plexiglass wall will be supported using i-beams
the virial equation of state for n-butane at 460k is z1avbv2 in which a -265 cm3g and b 30250 cm6gmole2 calculate the
an moles of an ideal gas a ad 1-n moles of an ideal gas b each at 1 atm pressure are mixed at total constant pressure
hydrogen at 25 bar 450degc enters an adiabatic turbine and expands to 2 bar 160degc with a mass flow rate of 02 kgs for
i water vapor enters a turbine at p1 5 bar t1320 c and exits at p2 1 bar the work generated is measure as 250 kj per
what is the conductivity of silicon if as dopant is added to achieve a concentration of 10x1023 atomsm3 let mu n