Related illustrations

0701

British Thermal Unit (BTU)

· p. 110

The illustration explains a British Thermal Unit using a blue cube representing one pound of water. An upward arrow above the cube indicates a temperature increase of 1° Fahrenheit. A burning match below the cube symboli

1133

BTUs per hour compared to Kilowatts

· p. 199

This illustration explains the relationship between British thermal units per hour and kilowatts as measures of heating rate. An inset uses a burning match, a cube representing one pound of water, and an upward arrow to

1594

BTUs per hour compared to Kilowatts

· p. 278

The illustration explains the relationship between thermal energy and heating power using water, burning matches, and a light bulb as visual symbols. At left, a burning match beneath a cube representing one pound of wate

1012

Heat content of various fuels

· p. 174

The illustration presents the heat content of measured quantities of three heating fuels. A block labeled oil has an upward arrow indicating 140,000 BTUs for 1 gallon of fuel oil. A block labeled gas has an upward arrow