Texas Wastewater Class A Questions And Answers 100% Verified A+ Guaranteed

A piston pump with a 5-inch piston and a 10-inch stroke strokes 60 times a minute. How many minutes will operated to pump 6,000 gallons? {Ans: 5x5x0.0408x0.833x60 = 51 gpm 6,000 gal/51 gpm=117.6 round to 118}As the complexity of an organization increases, what management function becomes most important? {Ans: Planning}Chemical dechlorination can be accomplished with? {Ans: a. sodium Bisulfite b. sulfur Dioxide}A particular construction project has a total of 3,000 feet of 12-inch pipe, 15 manholes, 50 wastewater connections. Based upon the contract unit costs shown, if the contractor has completed 2,000 feet of pipe, 12 manholes, and 30 wastewater connections, what percentage of the total project has been completed? 12 inch pipe place $85.00 per linear foot Manholes in place $1,500.00 each Wastewater connections $250.00 each {Ans: 3000 x 85 = 255,000 15 x1500 = 22,500 50x 250 = 12,500 255,000 + 22,500+ 12,500 = $290,000 2000 x 85 = 170,000 12x1500 - 18,000 30x250 =7,500 170,000 + 18,000 + 7,500 = S195,500 195,000/290000 =0.67 = 67%}What are the dangerous gases a collection system worker might come into contact with? {Ans: a. CO2 b. CO c. H,S d. CH, e. all of the above}Which