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1.Compute the amount of chlorine required for disinfection in pounds per day(lb/d). Estimate the annual cost for disinfection using chlorine.
Flow Rate= 30 milloin gallons per day.
2.Determine appropriate dimensions of the finished water clearwells to achieve adequate disinfection using chlorine. Flow Rate Q = 30 million gallons paer day.
3.Cylinders C and D are attached to the end of the cable. if D has a mass of 600 kg, determine the required mass of C, the maximum sag h of the cable, and the length of the cable between the pulleys A and B. The Beam has a mass per unit length of 50 kg/m.
Determine the bending moment in a rectangular beam 2 in. wide and 4 in. deep, if the maximum bending stress is 20,000 psi.
A proposed square footing carrying a total load of 900 kips is to be constructed on a uniform thick deposit of cohesionless soil. The soil's unit weight is 135 pcf, and its angle of internal friction is 38 degrees
A 1,000 L water tank contains 1,200 moles of an experimental chemical that is a weak acid with pka of 7.2. The PH of the tank is 9.0. what is molar concentration of the chemical that will dissolve in the water at PH 9.0
Determine the operating speeds of the machine at which the machine's steady-state amplitude is less than 0.2 mm. Take keq = 3 EI/L3.
determine by trigonometry (a) the required tensoin T2 in the left hand portion if the R of the force exerted by the cable at A is to be vertical, (b) the corresponding magnitude of R.
A MSW landfill is being designed to handle solid waste generated by Binford at a rate of 50 Mg/d. It is expected that the waste will be delivered by compactor truck on a 5d/week basis.
Absolute value signs serve as a reminder that, at this point Td and Te must be expressed as absolute temperatures.
A wrought iron water line connecting two reservoirs at 20°C has a length of 1500 m, a diameter of 75 cm, two elbows (90º, long-radius, flanged), a fully open gate valve, and a reentrant pipe entrance.
A motor grader will require 2 pases at 3 mph., 2 pases at 4 mph., and 2 passes at 5.5 mph. to accomplish the work How many grder hours will be required to accomplish this job if the job efficiency factor is 0.75.
A company produces two kinds of septic tanks: type A and type B. Each type B tank takes twice as long to produce as a type A tank. If it only produced type A tanks, the company has the time to produce a maximum of 2000 tanks per week. The supply of m..
a hydraulic jump is to be formed in a trapezoidal channel with a base width of 20ft and a side slope of 2:1. The upstream depth is 1.25ft and Q=1000 cfs. Find the downstream depth and the head loss in the jump.
A gate (shaped like .25 of a cylinder with radius R=3m) is used to control the flow of water through a canal.The height of the water in the tank is 30m. How much force must be applied to keep the gate from opening? The gate is 30m wide.
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