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A hydronic loop transfers 8 gpm with a 20°F temperature drop. Using the supplied factor 500, what heat rate is transferred?

California C-20 exam practice question · Planning & Estimating

A hydronic loop transfers 8 gpm with a 20°F temperature drop. Using the supplied factor 500, what heat rate is transferred?

  • 80,000 Btu per hour
  • B4,000 Btu per hour
  • C200,000 Btu per hour
  • D800 Btu per hour

Why A is correct

Use the supplied water relation: 500 times 8 gallons per minute times 20 degrees Fahrenheit equals 80,000 Btu per hour. This is the loop's sensible heat-transfer rate.

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