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1. A constant-pressure piston/cylinder has 1 kg of saturated liquid water at 100 kPa. A rigid tank contains air at 1000 K, 1000 kPa. They are now thermally connected by conduction through the walls cooling the air tank and bringing the water to saturated vapor. Find the required amount of air and the irreversibility of the process, assuming no external heat transfer.
2. The automatic transmission in a car receives 25 kW of shaft work and gives out 23 kW to the drive shaft. The balance is dissipated in the hydraulic fluid and metal casing, all at 45?C, which in turn transmit it to the outer atmosphere at 20?C. Find all the exergy transfer rates.
A plume of bromoform dissolved in grounwater originates from two storage ponds with a total length of 150 m. The ponds penetrate the unconfined aquifer to a depth of 5 m.
A fixed beam of span 6m carries point loads 20kN and 15kN at 2 m and 4 m from the left end respectively. Find the support movements draw SFD and BMD
Setam with a quality of 95% is present at 200 degrees F. What are the pressure and enthalpy values for this point
I want you to write 5-8 pages about (Work zone accidents in highways and roads in the U.S ), I want you to have 6-10 references, and want you to include (abstract, intro, background, issues & problems, solutions & recommendation, graphs & data)
Airplane tows a 2m tall advertising banner at a speed of 160 Km/hr. If the banner is flat and 5m long, then estimate its drag assuming fully turbulent flow.
At a point in a saturated normally consolidated clay layer the soil is subject to an in-situ vertical effective stress of 50kPa. The soil at the point has a moisture content of 44% and a compression index of 0.45.
Find the pmf of D2. One point of this exercise is to convince you that Dn is a useful rv for proving theorems, but not an rv that is useful for detailed computation. It also shows clearly that Dn can depend on more than the first n source letters.
Determine the magnitude and direction of the force P in so that the resultant of P and the 900N force is a vertical force of 2700N directed downward using.
How do you fill out the moment distribution table? I dont know how to compute the values for each cell as the node is locked and un-locked.
For a mixed liquor volatile suspended solids (MLVSS) of 1800 mg/L, what is the total return solids flow rate?
Find the depth and the top width of a v-notch capable of discharging a maximum of .7m^3/s and such that the head shall be 75mm for a discharge of 5.6 liters per second.
The compacted specimen contains 6% asphalt binder by weight of total mix, and has a bulk density of 143.9 lb/ft^3. Ignoring absorption, compute the percent voids in total mix, percent voids in mineral aggregate
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