A site plan requires one extinguisher per floor. The project has 6 floors, and 4 extinguishers are in place. How many more are needed?
Correct Answer
D) 2 extinguishers.
The plan requires six extinguishers total, and four are already in place, so two more are needed.
Why This Is the Correct Answer
The plan requires six extinguishers total, and four are already in place, so two more are needed.
Why the Other Options Are Wrong
Option A: 1 extinguisher.
1 extinguisher. is below the supported result for fire prevention; it likely omits allowance, conversion, coverage, or final round-up.
Option B: 4 extinguishers.
4 extinguishers. is above the supported result for fire prevention; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Option C: 6 extinguishers.
6 extinguishers. is above the supported result for fire prevention; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
Checking Fire-Prevention takeoff: count the condition before counting the package.
Reference Hint
Study anchor (closed-book): memorize Fire prevention from Cal/OSHA Title 8 Construction Safety Orders; CSLB Law and Business. / Title 8 fire prevention and extinguisher planning; know the rule or calculation trigger without relying on exam-room lookup.
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