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A mixture of gases expands at constant pressure from 1 MPa, 0.03 m3 to0.06 m3 with 84 kJ positive heat transfer. There is no work other thanthat done on a piston. Find DE for the gaseous mixture.(Ans. 54 kJ)The same mixture expands through the same state path while a stirringdevice does 21 kJ of work on the system. Find ? E, W, and Q for theprocess.
a ships hull is 150m long as has a wetted area of 5000 m2. when it is encrusted with barnacles it requires 7000 hp to
Model the earth as a sphere with a diameter of 8,000 miles. Using 14.7 psia as the average pressure at the earth's surface and ignoring variation in g with altitude, estimate the weight of the earth's atmosphere in lbf, and its mass in lbm.
a recently negotiated union contract allows workers in a shipping department 24 minutes for rest 10 minutes for
1. The mass fraction of eutectoid ferrite in an iron-carbon alloy is 0.71. On the basis of this information, is it possible to determine the composition of the alloy? If so, what is its composition? If this is not possible, explain why.
a disk has a mass of 4kg and a radius of 90mm it is at rest when it is placed in contact with the belt which moves with
Determine (a) the velocity of the air at the duct inlet and (b) the temperature of the air at the exit.
ten kilograms of water at saturated liquid phase fills in a piston-cylinder device volume can change at 50oc. the
Demonstrate application of advanced kinetic and kinematic concepts to various mechanisms both from a practical and theoretical context Recognise, Develop and Solve numerical problems related to kinetic and kinematic based mechanisms.
Discuss any of your actions and/or thought processes
The number of additional tourists projected to be served by the company is 8000. If the company plans to invest $250000, determine the additional number of boats of each type for maximum profit.
one mole of ideal monoatomic gas undergoes an irreversible adiabatic process in which gas ends up at stp and for which
a stream of gas flowing at 15000 scfm contains 20 ppm of toluene. assuming the process operates 8500 hours per year
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