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Gasoline is being discharged from a pipe at point 2 at elevation 66.66 m. Pint 1, located 965.5 m along the pipe from point 2, is at elevation 82.65 m, and the pressure there is 2.50 kPa. If the pipe roughness is 0.500 mm, what pipe diameter is needed to discharge gasoline ( γ= 7.05 kN/m3, μ = 2.92x10-4Ns/m2, ρ = 719 kg/m3) at a rate of 0.10 m3/s? Solve this problem using two different approaches.
1) Use Moody chart and manual iteration
2) Use Colebrook equation and any kind of software tool such as Mathcad, excel or a programmable calculator.
a brass wire of diameter d=1/6 in is stretched between rigid supports with an initial tension T of 37lb. assume the coefficient of thermal expansion is 10.6X10^-6 / F and the modulus of elasticity is 15X10^6 psi.
What return period must an engineer use in the design of a bridge opening for a 50% risk that flooding will occur at least once in two consecutive years? Repeat for a risk of 100%.
A uniform crate weighing 15.0 kN is lifted by a sling, ABC, a small pulley and cable BD. If the tension in the sling is limited to 9.0 kN, determine the minimum length of the sling. Neglect the radius of the pulley.
The company makes no deposits during the subsequent 10 years. If the bank pays 10% interest, what is the amount in the account at the end of 20 years
The regulatory agency has told the company to maintain a salt level pf no greater then 250 mg/L downstream of the discharge. what should the removal efficiency. (percentage of the salt removed) of a process designed to remove salt from the waste w..
A particle begins from s=0 and is traveling along a straight path at a velocity of v=(t^2-4t+3) m/s, where t is in seconds. Construct a v-t graph and an a-t graph at the time interval t=0 to t=4 s.
A room has a floor area of 500 m^2 and a height of 4 m. THe room is involved in a fire with a constant energy release rate of 1 MW. calculate the time till the smoke layer is 1.5 m from the floor for (a) the case where the leakage areas are at the ..
Consider the design of wastewater treatment plant for a community wiyh average daily and peak hourly wastewater design flows of 2.0 mgd. The raw sewage has an average of 230 mg/l BOD5 and 260 mg/l of suspended solids.
what should be the minimum radius of curvature p for the track at B so that the passengers do not experience a normal force greater than kmg?neglect the size of the car and passengers.Take k=4
We would continue embankment work even if winter season and my question is what is swelling amount of compacted soil for 30cm thickness and 95% compaction degree by freezing.
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
Springs AB and CD have a stiffness of k = 300 N/m and k' = 200 N/m, respectively, and both springs have an unstretched length of 600 mm. If the 2-kg smooth collar starts from rest when the springs are unstretched
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