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A gun is aimed at point A located 15 degrees N or W. Knowing the gun forms and angle of 25 degrees with the horizontal and the max recoil force is 400 N, determine
a) the x, y,z components of that force
b) values of angle thetax, thetay, theta z defining the direction of the recoil force. (assume that the x, y, and z axes are directed respectively east, up, and south)
A separator accepts waste oil at 70% oil and 30% water by weight. The top product stream is pure oil while the bottom underflow contains 10% oil. If a flow of 20 gal/min is fed to the tank, how much oil is recovered
An operator at a wastewater treatment plant decided to increase the SRT from 5 days to 10 days. How will this change affect: a. the oxygen requirement b. MLVSS in the aeration tank c. the effluent BOD or COD d. and the sludge generation
A spherical tank is being designed to hold 7 moles of methane gas at a pressure of 8 bar and a temperature of 50oF. Determine the volume of the spherical tank to be used.
A disinfection process for potable water treatment is described by first order kinetics with a rate constant of 0.08 minute. An ideal plug flow reactor is used with a hydraulic residence time of 1 hour. What is the expected efficiency of the syste..
a circular drain pipe has a radius of 375 mm. it conveys water 30 ordmc from location 1 to location 2 between which
4. Determine the values for the Energy Grade Line and the Hydraulic Grade Line for the tank and pipe system of problem 3. Plot the EGL and HGL.
Axis Chemical Company needs you to design a gravity sewer to convey 1,750 GPM of toxic waste. The pipe is to be glass-lined reinforced concrete (n = 0.009). Which pipe would you suggest the Joker use
A 100 ft cut steel tape was used to check the layout of a building wall. the rear surveyor held 42 ft while the head surveyor cut 0.33 ft. what is the distance measured?
It is commonly known that there are 16 ounces in 1 lb. Consider a 0.5lbf glass that weighs 1 lbf when filled with 8 ounces of liquid. Determine the liquid density in British gravitational units and in SI units. Also calculate the specific weight in b..
Construction dewatering plays are very large role in the todays construction arena. Discuss the role water conditions plays in the planning and design of a temporary earth support system.
Determine the required pumping rate. the aquifer has T= 1600 m 2 /day and the wells each have radius of influence of 600m.
A water contains contains 2.0 meq/LCa2+ and 1.3 meg/L Mg2+. If one wanted to remove the hardness species by hydroxide precipitation, to what pHmust the water be raised and maintained in order for both calcium and magnesium toform hydroxide solids?
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