PIPES, TANKS, AND WELLS 



531 



At $ 5 per ton, divide the number of pounds by 4 : 



96 lb. at $ 5 : 96-^4 = .24 cent. 

 1350" " $5: 1350-^-4 = $3.37. 



At $ 10 per ton, divide the number of pounds by 2. 



Capacities of Pipes and Tanks 



Quantity of water held by pipes of various sizes 



Number of gallons in circular tanks and wells 



To find the contents in gallons of circular tanks, square the diameter 

 in feet, multiply by the depth, and then multiply by 5.875. 



Diam- 

 eter ' 



GALLONS WHEN THE DEPTH IS 



3 ft. 4 ft. 



5ft. 



6 ft. 7 ft. 



8ft. 



9 ft. 10 ft. 11 ft. 12 ft. 



Approximate contents of cylinders 



DIAM. DEPTH QUANTITY 



1M in. X 3 in. contains 1 gill. 



3^ in. X 3 in. contains 1 pint. 



3^ in. X 6 in. contains 1 quart. 



7 in. X 6 in. contains 1 gallon. 

 14 in. X 12 in. contains 8 gallons. 

 14 in. X 15 in. contains 10 gallons. 



