...ice or evaporation of unit mass of ether being known. The unit generally adopted in the measurement of heat is the quantity required to raise the temperature of a kilogramme of water i° C., which is called a calorie. The thousandth part of this, the quantity needed...

...temperature of the pound of water from ~>-l 'to 54° that it took to raise the temperature from ,V>" to 53°. The unit quantity of heat is the quantity...to raise the temperature of a pound of water from Cri' to(;:>°. This unit is called the British thermal unit, or BTU HEAT PROPAGATION. 1342. Heat maybe...

...give in the English system of units 14650 British thermal units, the BTU being defined as the heat required to raise the temperature of a pound of water from 62° F. to 63° F. These definitions are founded on Rowland's determination of the mechanic equivalent of...

...will take nearly double that quantity to raise the temperature of 1 pound of water from 52° to 54°. The unit quantity of heat is the quantity required...63°. This unit is called the British thermal unit, and is commonly abbreviated to BTU 11. For temperatures above 63°, it takes slightly more than 1 BTU...

...54°, and it will take double the quantity to raise the temperature of the pound of water from 52° to 54° that it took to raise the temperature from 52° to 515°. The unit quantity of heat is the quantity required to raise the temperature of a pound of water...

...wilj take nearly double that quantity to raise the temperature of 1 pound of water from 52° to, 54°. The unit quantity of heat is the quantity required...63°. This unit is called the British thermal unit, and is commonly abbreviated to BTU Î 11. For temperatures above 63°, it takes slightly more than...

...54°, and it will take double the quantity to raise the temperature of the pound of water from 52° to 54° that it took to raise the temperature from...thermal unit, or BTU §18 STEAM AND STEAM-BOILERS. 1980. Relation Between Heat and Work.—Suppose that, in the experiment shown in Fig. 647, the piston...

...ice or evaporation of unit mass of ether being known. The unit generally adopted in the measurement of heat is the quantity required to raise the temperature of a kilogramme of water i° C., which is called a calorie, or kilocalorie, or large calorie. The thousandth...

...will take nearly double that quantity to raise the temperature of 1 pound of water from 52° to 54°. The unit quantity of heat is the quantity required...temperature of a pound of water from 62° to 63°; it is called the British thermal uiilt, and is abbreviated to BTU For temperatures above 63°, it takes...

...being the temperature of the maximum density of water. It is usually given as the quantity of heat required to raise the temperature of a pound of water from 62 degrees to 63 degrees Fahrenheit. Q. How is this unit of heat usually designated. A. By the capital...