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A process requires a mixture that is 21 percent oxygen, 78 percent nitrogen, and 1 percent argon by volume. All three gases are supplied from separate tanks to an adiabatic, constant-pressure mixing chamber at 200 kPa but at different temperatures. The oxygen enters at 10°C, the nitrogen at 60°C, and the argon at 200°C. Determine the total entropy change for the mixing process per unit mass of mixture.
determine the elongation of the cable due to its own weight. B. show thet the same elongation would be obtained if the cable were horizontal and if a force equal to half of its weight were applied at each end
A flow has circular streamlines. At t=0 the flow is in the clockwise direction and the angular velocity is pi rad/s. This flow exists for 1 s, and then reverses to counterclockwise with an angular velocity of -pi rad/s for 1 s.
A tape that has an extra foot graduated to tenth outside the zero mark was used to measure a distance less than a tape lenght. when the rear tapeman held the 52-ft graduation at his point, the head tapeman estamted the reading at as his end of the ..
Water with a static pressure of 1.96kN/M2 flows through an 800 mm diameter pipe. A pitot tube pressure gage in this pipe reads a pressure of 5.88 kN/M2. How do you determine the volume flow rate (Q) of the water? (Q = 1.40 M^3/sec, V=2.79 M/sec)
An automobile having a mass of 900 kg initially moves along a level highway at 100 km/hr relative to the highway. It then climbs a hill whose crest is 50m above the level highway and parks at a rest area located there
The flow out of a reservoir is 2 L/s. The reservoir surface is 5 m x 5 m. How fast is the reservoir surface dropping?
if a source of groundwater gets contaminated with a DNAPL and another one gets contaminated with a LNAPL, which one will be harder to remediate and why
A NCSU student turned on his/her 150 W fan inside his/her room, 4m * 6m * 6m, before going to class in the morning of a summer day, excepting to find his/her room cooler when he/she returns at night.
We are analysing energy efficiency of four different cars, A (3.2 miles/kwh), B (42 mpg using Clean Diesel), C (22 mpg using corn based ethanol E85), and D (28 mpg using regular gasoline). Now accounting for all of the energy used, including extra..
Water ?ows at 6 ft/ s through a pipe 500 ft long with diameter 1 in. The inlet pressure p1= 200 psig, and the exit section is 100 ft ft higher than the inlet.
With this ambition in mind. write an essay of 1200 - 1400 words on the recent work of one of the following practices. Gehry Partners. Zaha Hadid Architects. Morphosis Architects. Enc Owen Moss Architects, COOP Himmolb(I)au.
Two types of Classifiers mostly used in Data mining. Other than Naive Bayes and decision trees, pick two other types of classifiers and discuss how they work
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