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The bottom of the sewage inlet chamber of septic tanks, is provided an outward slope
The sewage treatment in septic tanks is due to
Which one of the following statements regarding septic tanks is wrong?
Septic tanks are used for the __________ of the deposited solids.
The rate of accumulation of sludge in septic tanks is recommended as
The digested sludge from septic tanks, is removed after a maximum period of
In septic tanks, decomposition of organic bacteria, is done by
A rectangular tank 10 inch by 8 inch by 4 inch is filled with water. If all of the water is to be transferred to cube-shaped tanks, each one 3 inches on a side, how many of these smaller tanks are needed?
Two tanks are filled to capacity with automobile fuel. The first tank holds 600 gallons more than the second tank. If 100 gallons were to be pumped from each tank, the first tank would then contain 3 times as much fuel as the second tank. What is the total number of gallons of fuel in the two full tanks?
Two tanks A and B are filled with petrol. Tank A holds 600 liters more than B. If 100 liters of petrol were taken out from each tank, tank A would then contain 3 times as much petrol as tank B. What is the total number of liters of fuel in the two full tanks?