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1. Apply the exergy equation to solve Problem 8.36.
Problem 8.36
A refrigerator removes 1.5 kW from the cold space at -10?C, using 750 W of power input while it rejects heat to the kitchen at 25?C. Find the rate of irreversibility.
2. Evaluate the steady-state exergy fluxes due to a heat transfer of 50 W through a wall with 600 K on one side and 400 K on the other side. What is the exergy destruction in the wall?
Determine the mass of the liquid water and the volume occupied by the liquid at the initial state.
Determine the stresses at the point of tube 1 where the bending and torsional stresses are greatest. Draw the Mohr's circle for that stress state. Both members have a wall thickness of 4 mm
A fireman is standing on a hoist and sprays water at a fire. the fire is 35 ft in the x direction and 20ft downward in the y direction. the water flows at 65 ft/s. determine two possible angles theta at which this can be done. assume the angle below ..
A steel bar of length 30 inches and circular cross section whose diameter varies linearly from 0.50 inches at one end to 0.75 inches at the other is subjected to an axial tensile force of 4.5 kip. Find the change in length of the bar.
he concentration of carbon in an iron-carbon alloy is 0.15 wt%. What is the concentration in kilograms of carbon per cubic meter of alloy
A building is located 19 ft from the centerline of the inside lane of a curved section of highway whose radius is 400 ft. The road is level and e = 10. Determine the posted speed limit (to the nearest 5 mph) considering the following conditions:
In the first couple steps you are using the sine function to derive that the interior triange BCG is a right triangle. However, the sine function, by definition, is opposite divided by hypotenuse. You used sine as opposite dividede by adjacent which ..
Discussion on how sustainability and green engineering can be integrated in the four components of materials science and engineering?
John had a little business on the side and did not have a girlfriend when he was at school and ehnce he was able to save the $10,000 for his dream car. The dealer agrees to take the car back for $8000
A ciricular sewer is laid on a slope of 0.5%. What diameter is required if the concrete pipe is to carry 25 cfs If the desired design mean suction velocity is between 3 and 7 ft/s, is the design acceptable
Interview the architect or CM about their role and the challenges they have encountered. Report back to the class what you have learned
Consider the design of wastewater treatment plant for a community wiyh average daily and peak hourly wastewater design flows of 2.0 mgd. The raw sewage has an average of 230 mg/l BOD5 and 260 mg/l of suspended solids.
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