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The local engineer concludes that, since the oil must have been destroyed by the soil microorganisms at a rate of 20 mg/kg each year, in one more year the site will be free of all contamination. a.
Characterize the production performance of Bakken Wells. You need to correlate the decline rates of Bakken wells to well/reservoir/completion Parameters, and finally make contour maps.
The magnetic declination of 1986 was 5 degrees 15 minutes. The magnetic bearing of a line was N 89 degrees 49 minutes W. At todays present the magnetic bearing of a line is S 88 degrees 20 minutes W
a low broad crest weir is installed in a wide, rectangular channel to reduce the flow velocity. the channel is 60ft wide, the channel slope is 1 to 2000. Manning's roughness coefficient n=0.014. the
You open a 16 oz (1 pint) bottle of a carbonated soft drink that has a temperature of 5°C, then you get distracted and forget to drink it. You come back quite some time later and find that it ha
A structural component in the form of a very wide plate is to be fabricated from 4340 steel that was cooled using a fast cooling rate and has a yield strength of 1515 MPa and a fracture toughness (K
A Pelton wheel located at an elevation of 200.0 m is sued to extract power from a reservoir at an elevation of 800.0 m. A penstock 1500 m long and 0.8 m in diameter connects the reservoir and nozzle
A hydroelectric facility operates with an elevation difference of 50.0 m with a flow rate of 500 m3/sec. If the rotational speed is 90 rpm, determine the most suitable type of turbine and estimate t
A 0.9 efficient Francis turbine produces 200 MW with a speed of 150 rpm. The blade height is 1.0 m, and the inlet radius of the rotor is 7.0 m. The flow exits the turbine in a radial direction.
A Pelton wheel, located at an elevation of 200.0 m, is used to extract power from a reservoir at an elevation of 800 m. A penstock 1500 m long and 0.8 m in diameter connects the reservoir with the n
The particle has a mass of 0.6 and is confined to move along the smooth horizontal slot due to the rotation of the arm .Determine the force of the rod on the particle and the normal force of the slo
given moisture contents of 5%, 9%, 14%, 22% and 25% with corresponding weights of 3.1, 3.42, 3.78,3.85, 3.77 lbs. of the compacted soil. (specific gravity =2.7)(compaction test using compaction mold
A contaminant in water is traveling through a saturated clay layer under a hydraulic gradient of 0.15. The clay has a hydraulic conductivity of 2 x 10^(-7) cm/s, a moisture content of 19%, and a Gs
A municipal WWTP discharges 22.5 MGD of secondary effluent containing 45 mg/L of ultimate BOD at 26.7 oC with 1.3 mg/L of dissolved oxygen. The stream flow is 237 ft3/s at a velocity of 2.1 ft/s and
Estimate the maximum number of cars per hour that can travel down two lanes of a highway as a function of speed (ie at 50, 60 , and 70 mph) .for safety purposes the cars must be spaced one car lengt
a rectangular piece of steel is 10" wide by 60" long by 3" deep, what is the max tensile force that could be applied to the steel, and what is the total elongation of the steel
A laser range finder consists of a laser and a light receiver. It operates by bouncing a laser pulse off a mirror and measuring the time of flight, the time it takes for the pulse to leave the laser
The saturation concentration for the drop is 9.20 mg/L. If, after falling for two seconds, the droplet has an oxygen concentration of 3.20 mg/L, how long must the droplet fall (from the start of the
a confined aquifer with a transmissivity of 7.0x10^-3 m^2/s and a storativity of 5.0x10^-4 is pumped by two wells 35 m apart. One well is pumped at 7.6 L/s and the other at 15.2 L/s.
describe how would you develop a subcontracting plan for the construction of a small child care center
If the max load is applied to the cylinder (6"x12") or (150x300mm) up to P=500 kips, what would be the compressive strength of concrete for (a) cylinder, (b) 150mm cube, and (c) 200mm cube.
A dispersed plug chemical reactor has an influent flow with concentration of 150 mg/L of A and a flow rate of 100 gal/min (380 L/min). The reaction is first order, The rate equation : - dC/dt = kC=
Find the length of the studs in a rake wall with a 5:12 pitch, a half span of 9'4", 16" OC and a base height of 7'3".
A 2000-lb wheel load is to be supported by aggregate over soil with a maximum bearing pressure of 1000 lb/sqft. What depth of aggregate is needed if the angle theta is 40 degrees