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Gasoline vapors are vented to the atmosphere when an underground gasoline storage tank is filled. If the tanker truck discharges into the top of the tank with no vapor control (known the splash fill method)the emission of the gasoline vapors is estimated to be 2.75 kg/m^3 of gasoline delivered to the tank .If the tank is equipped with the pressure relief value and interlocking hose connection and the tanker truck discharge into the bottom of the tank below the surface of the gasoline in the storage tank, the emission of gasoline vapors is estimated to be 0.095 kg/m^3 of gasoline delivered (Wark et al.,1998). Assume that the service station must fill refill the tank with 4.00 m^3 of gasoline once a week.Draw a mass balance diagram and estimate the annual loss of gasoline vapor (in kg/y) for the splash fill method Estimate the value of the fuel that is captured if the vapor control system is used. Assume the density of the condensed vapors is 0.800 g/ml and the cost of the gasoline is $1.06 per litter.
The elastic portion of the tension stress-strain diagram for an aluminum alloy. The specimen used for the test has a gauge length of 2 in and a diameter of 0.5 in. When the applied load is 9 kips, the new diameter of the specimen is 0.49935 in.
Write a balanced net equation for the reaction of the hydrogen ascorbate anion with water where hydrogen ascorbate acts as an acid.
You may assume that the total pressure at the downstream station is uniform across the tunnel and given by the value at the wall. Neglecting gravitational effects.
The bottom of piezometers A and B are on the same flow line and 1000 m apart. The bottom of piezometer A is at 130 m and its water level is 160 m. The bottom of piezometer B is at 100 m and the water level is 150 m.
A siphone generates a flow of 1 ft/sec thru a 1 inch OD, 3/4 ID hose. A) What height difference is needed to generate this flow B) What height for 10 ft/sec C) What for 100 ft/sec
Knowing that each member has a 2 3 4-in. rectangular cross section and that each pin has a 12 -in. diameter, determine the maximum value of the average normal stress (a) in member BE, (b) in member CF.
A) calculate the steady state P concentration in the lake B)Creek A has been identified as the easiest to control. What would the P concentration have to be reduced to in Creek A, in order to reduce the concentration in the lake below 0.025 mg/l
If the allowable shear stress in the 7/8" diameter bolt is 35 ksi, determine the allowable force F that may be applied.
A steel pipe carries an industrial oil under pressure. The steel pipe inside diameter is 36 in, the pressure head on the fluid is 383.0 ft. A)- Find the internal fluid pressure in psi
velocity of water in the nozzle is given by V=2t/(1-.5x/L)^2. L = 4ft. When x=.5L and t=3s what is the local acceleration along the centerline. What is the convective acceleration.
Assuming steam to be an ideal gas, calculate its specific volume and density at a pressure of 90 lb/in^2 and a temperature of 650°F.
What power must the pump supply to the system to pump the oil from the lower reservoir to the upper reservoir at a rate 0.20 m^3/s. Sketch the HGL and the EGL for the system.
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