What is the calorific value of propane (C3H8)?

What is the calorific value of propane (C3H8)?

• A. 2520
• B. 1000
• C. 800
• D. 3000

Answer: (A)

Calorific value for a gas is the heat released when a specific volume of that gas is completely burned. For propane, the standard figure is about 2,519 BTU per cubic foot (HHV). That makes 2,520 BTU/ft³ the best match among the options, since it’s essentially the same order of magnitude and closest to the known value. If you convert that to SI units, it’s roughly 94 MJ per cubic meter, which aligns with propane’s energy content per volume. The other numbers don’t fit propane’s typical energy content per volume, so they’re not the correct reference for this gas.

Calorific value for a gas is the heat released when a specific volume of that gas is completely burned. For propane, the standard figure is about 2,519 BTU per cubic foot (HHV). That makes 2,520 BTU/ft³ the best match among the options, since it’s essentially the same order of magnitude and closest to the known value.

If you convert that to SI units, it’s roughly 94 MJ per cubic meter, which aligns with propane’s energy content per volume. The other numbers don’t fit propane’s typical energy content per volume, so they’re not the correct reference for this gas.