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Determine the exergy destruction associated with the process described in Prob. 12-63. Assume T0 =30°C.
Assume the capacity of a pile supporting a transmission tower is modeled with a log-normal random distribution with a mean of 250 tons and a c.o.v. of 20%. a) What is the probability that the pile will survive a load of 275 tons
A large refrigeration plant is to be maintained at -15°C, and it requires refrigeration at a rate of 100 kW.
A quality of water within a piston-cylinder assembly executes a Carnot power cycle. During isothermal expansion, the water is heated from saturated liquid at 50 bar until it is a saturated vapor. The vapor then expands adiabatically to a pressure ..
An entrepreneurial new civil engineering graduate started a lab for testing endocrine disrupting compounds. The lab just broke even the first year, but in years 2 through 5, it made a profit of $97,000 each year.
A cylindrical water tank is suspended vertically by its sides. The tank has a 10-ft diameter and is filled with 20 degree celcius water to a 3-ft depth. Determine the force exerted on the tank bottom
an elevator drive sheave of diameter 1 m and negligible mass is mounted on a shaft midwaynbspbetween bearings which are
Determine the design load for strength and serviceability limit states (short-term and long term), for a steel beam in a residential building with the following data;
A man riding upward in a freight elevator drops a package off the elevator when it is 100 ft. from the ground. Part A: if the elevator maintains a constant upward speed of 4 ft/s,
During the rainy season in a tropical country, the probability of a day being dry is 0.10. A dry day is defined as one without significant rainfall. Assuming that the number of days until the next dry day is geometrically distributed.
The officer believes the driver is intoxicated and begins accelerating uniformly to 50 mi/h in 8 seconds and maintains a constant velocity of 60 mi/hr, overtakes the motorist 42 seconds after he passed the officer.
Design Span S2 of the continuous one-way slab example (we designed Span Si in class). Use ACI coefficients. The slab is to support a service live load of 170 psf in addition to its own weight. fc' = 3,000 psi and fy= 40,000 psi. The slab is to be ..
The tube is attached at B to a rigid plate that is itself attached at C to the bottom of an aluminum cylinder (E= 72 GPa) with a cross-sectional area of 250 mm^2.
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