## Examples of *Btu* in a sentence

Fd = Ratio of the volume of dry effluent gas to the gross calorific value of the fuel from Method 19, dsm3/J (dscf/106

**Btu**).Additionally, natural gas must either be composed of at least 70 percent methane by volume or have a gross calorific value between 34 and 43 megajoules (MJ) per dry standard cubic meter (910 and 1,150

**Btu**per dry standard cubic foot).Coal refuse means any by-product of coal mining or coal cleaning operations with an ash content greater than 50 percent (by weight) and a heating value less than 13,900 kilojoules per kilogram (kJ/kg) (6,000

**Btu**per pound (**Btu**/lb) on a dry basis.Fd= Ratio of the volume of dry effluent gas to the gross calorific value of the fuel from Method 19, dsm3 /J (dscf/106

**Btu**).Natural gas-fired combustion sources with heat input equal to or less than ten million (10,000,000)

**Btu**per hour.