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1.Suppose a family of four, living in a home with an area of 100x50ft connects its stormwater drain to the sewer. Assume that 1in of rain falls over 1 day. what percentage increase will there be in the flow from their house over the dry weather flow (assumed at 50 gal.capital-day
2.The primary air quality standard for NO2 is 100 micrograms/m3. what is this in ppm? (Assume 25C and 1 atm, pressure)
If, on 8/1/2019, 3-year municipal bonds with an AA- rating and a coupon rate of 6.50% (payable semiannually) are selling for $100.00, what would be the fair market value of the 300 Whittier bonds (not including the 8/1/2019 coupon payment)
The beam is positioned such that the observer on the train measures an angle of 19 between the crossbeam and the floor of the train. At what speed would the train have to be traveling in order for an observer standing outside the train
a tape is calibrated and found to measure 100.04ft between the 0- and 100-ft marks. what measurements should be laid out to establish a horizontal distance of 682.25ft
Calculate carbonate, noncarbonate, and total hardness Na+ = 27.8 mg/L Cl- = 35.6 mg/L Ca+2 = 48mg/L CO3-2 = 30 mg/L Mg+2 = 12mg/L HCO3- = 61 mg/L K+ = 12 mg/L SO4-2 = 48 mg/L
A sag vertical curve along an existing vertical alignment begins at station 23+45 and ends at station 30+25. The initial grade coming into the curve is -2% and the grade out is +5%. What is the finished grade elevation on the curve at station
After operating for a period of time, assume that the opening size decreases to 10-mm due to the accumulation of materials (debris) on the screens.
An industrial intermediate, 2, 4-dimethylphenol, has been spread on a surface soil as a 500-mg/L solution. the weekly volume placed on the soil was 25% of the pore volume for the top 0.5m of soil.
Find an equation that expresses the relationship between the wages earned (x) and the Social Security taxes paid (y) by an employee who earns less than the maximum taxable wage base.
A bug is crawling up the leg of a man on a train. The velocity of the bug relative to the man is 0.3 m/s k . The mas is waling from one side of a carriage to the other with a vlocity relative to the train of 1.2 m/s j.
A constant-head permeability test was conducted on a clean sand sample. The diameter and length of the test specimen were 10.0 and 12.0 respectively. The head difference between manometer levels was 4.9 cm during the test.
The mean annual precipitation for a 325 mi2 watershed is25 inches. Assume that 20% of the annual precipitation reachesthe watershed outlet as streamflow. Determine the meanstreamflow rate in ac-ft/yr
A rectangular column of size 16” x 16” is to be designed for the following loads. Service D.L = 150 kips ft, Service LL = 200 kips-ft. DL Moment = 80 ft- kips, LL Moment =130 ft kips. Find the required column reinforcement.
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