Question: Down the drain Most water tanks have a drain plug so that the tank may be emptied when its to be moved or repaired. How

Down the drain Most water tanks have a drain plug so that the tank may be emptied when it’s to be moved or repaired. How long it takes a certain size of tank to drain depends on the size of the plug, as shown in the table.

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Plug Dia (in.) Drain Time (min.) -IN 314 11 1 2 1112

Plug Dia (in.) Drain Time (min.) -IN 314 11 1 2 1112 140 80 35 20 13 10 5

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