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water from a treatment plant is pumped into distribution system at a rate of 4.38 m^3/sec, a pressure of 480 kpa and a temperature of 20 degree celcius. The pipe has a diameter of 750 mm and is made of ductile iron. Estimate the pressure 200m downstream of the treatment plant if the pipe remains horizontal. Use the moody diagram to determine the friction factor ( you can also use the Swaimee-Jane equation). After 20 years in operation, scale buildup is expected to cause the roughness of the pipe to increase by a factor of 10. What is the effect of this on water pressure 200 m downstream of the plant? Say, Water flows at a velocity of 2m/sec in a 300 mm new ductile iron pipe. Estimate the headloss over 500m
The beam is to be hoisted using two chains. Determine the magnitudes of force and acting on each chain in order to develop a resultant force of 500 directed along the positive axis. Set = 41
If an additional 11-ft lane is added (each direction) and all other factors stay the same, what will be the new level of service?
water is pumped into an irrigation pond at 250 gal/min for 24 hours. the pond area is 2500 square feet. Determine the depth of water in the pond .Provide answer in ft and m
The driver of a car traveling up a 2% grade at an initial speed Vo applied the brakes abruptly and the vehicles slid to a complete stop at an average deceleration of 8 ft/s^2. Was the pavement wet or dry
What should TAC , TAB and the acute angle ? between TAB and the vertical to minimize the tension TAB ? Take o and W = 1,000 N. Hint: Consider various possible force triangles and decide on inspection how to minimize TAB.
A rectangular open channel with a width of 10 ft and n = 0.013 conveys a discharge of 300 cfs. The upstream portion of the channel has a slope of 10%, which then abruptly changes to a slope of zero downstream.
A turbine operates at steady state with steam flowing through it at a rate of 36 kg/min. The steam enters the turbine at a temperature of 600C and a pressure of 8 MPa and exits at a pressure 90% lower with a quality of 70%.
Are either of the Ax or Jx forces relevant to finding the tension between H and J. If so, what is the easiest way to solve for those 2 unknowns.
The pinion gear rolls on the gear racks. If B is moving to the right at 8 ft/s and C is moving to the left at 4 ft/s, determine the angular velocity of the pinion gear and velocity of its center A.
Calculate the pH of a 1-L solution containing 0.01 M sodium acetate after the addition of 3 mL 0.5 M H2SO4
An eighteen inch diameter sandstone column is subjected to an axial compressive force of 2x10^6 lb / ft. Find the factor of safety based on the ultimate compressive force. For the ultimate compressive stress of sandstone=85Mpa.
Determine the compositions and quantities of gas and liquid when 1 lb mole of a mixture of 30 mole percent methane and 70 mole percent ethanol is brought to equilibrium at 0 F and 500 psia.
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