Both the Fahrenheit and Centigrade temperature scales yield identical numerical values at_____________________?
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Answer: B. -40°
Explanation
Temperature conversion formulas link the Fahrenheit and Celsius scales through linear equations. Setting the two scale values equal to each other reveals their unique intersection point. Solving the algebraic equation yields an identical numerical reading of minus forty degrees. The Celsius scale sets the freezing point of water at zero and boiling at one hundred. The Fahrenheit scale sets water freezing at thirty-two and boiling at two hundred twelve. The mathematical conversion formula is Fahrenheit equals Celsius multiplied by nine-fifths plus thirty-two.
Extreme cold weather regions occasionally experience temperatures reaching this specific intersection threshold. Calibration laboratories use fixed temperature points like this to verify thermometer accuracy. Understanding scale intersections is helpful when working with international weather data. Option A gives minus fifty-five, which produces different values on the two temperature scales. Option C gives minus thirty-three, failing to satisfy the linear temperature scale intersection equation. Option D gives minus fifty-eight, which yields mismatched readings when converted between scales.
- Subject
- Engineering
- Category
- Chemical Engineering
- Topic
- —
- Difficulty
- medium
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