Pick out the wrong unit conversion of calorific value?
Correct answer: D. 1 BTU/lb = 2.3 kcal/kg
- A. 1 kcal/kg = 1.8 BTU/lb = 4.186 kJ/kg
- B. 1 BTU/ft3 = 8.9 kcal/m3 = 0.038 MJ/m3
- C. 1 kcal/m3 = 0.1124 BTU/ft3
- D. 1 BTU/lb = 2.3 kcal/kg
Explanation
One BTU/lb equals about 0.556 kcal/kg, because 1 BTU is 0.252 kcal and one pound is 0.4536 kg. Thus 2.3 kcal/kg is an incorrect conversion, while the other listed conversions are consistent.
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