A pump removes 22 gallons per minute for 35 minutes. How many gallons are removed?
Correct Answer
A) 770 gallons.
Flow volume is rate times time: 22 gallons per minute for 35 minutes equals 770 gallons.
Why This Is the Correct Answer
Flow volume is rate times time: 22 gallons per minute for 35 minutes equals 770 gallons.
Why the Other Options Are Wrong
Option B: 700 gallons total.
700 gallons total. is below the supported result for plumbing flow calculation; it likely omits allowance, conversion, coverage, or final round-up.
Option C: 805 gallons total.
805 gallons total. is above the supported result for plumbing flow calculation; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Option D: 880 gallons total.
880 gallons total. is above the supported result for plumbing flow calculation; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
Measure to volume, adjust for rate, then let Estimating Temporary set the finish line.
Reference Hint
Study anchor (closed-book): memorize Plumbing flow calculation from California Plumbing Code, California Code of Regulations Title 24. / Title 24 California Plumbing Code flow and capacity concepts; know the rule or calculation trigger without relying on exam-room lookup.
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