A rooftop unit schedule shows 3 tons of cooling. Using 12,000 Btu per hour per ton, what cooling capacity is this?
Correct Answer
A) 36,000 Btu per hour.
Three tons of cooling equals 36,000 Btu per hour.
Why This Is the Correct Answer
Three tons of cooling equals 36,000 Btu per hour.
Why the Other Options Are Wrong
Option B: 24,000 Btu per hour.
24,000 Btu per hour. is below the supported result for hvac capacity conversion; it likely skips a premium-pay or employer-cost component.
Option C: 12,000 Btu per hour.
12,000 Btu per hour. is below the supported result for hvac capacity conversion; it likely skips a premium-pay or employer-cost component.
Option D: 48,000 Btu per hour.
48,000 Btu per hour. is above the supported result for hvac capacity conversion; it likely pays the wrong premium tier or counts the same hours twice.
Memory Technique
Who controlled tons, who paid cooling, where is the Checking Mechanical record?
Reference Hint
Study anchor (closed-book): memorize HVAC capacity conversion from 2025 California Mechanical Code, California Code of Regulations Title. / Title 24 California Mechanical Code HVAC equipment schedules; know the rule or calculation trigger without relying on exam-room lookup.
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