American Society of Heating and Ventilating Engineers Guide, 1931 Chapter 6---Gravity Warm Air Heating Leader sizes should in general be not less than obtained by equations (1) to (3) nor should leaders less than 8 in. in diameter be used.

r7^r -T American Society o/ Heating and Ventilating Engineers Guide, 1931 AUTOMATIC CONTROL Automatic temperature control readily can be used on the trunk line system of ducts by volume control of the warm air at the supply openings and on the double duct and individual duct systems by double-leaf mixing-damper control of the warm and tempered air.

1932American Society of Heating and Ventilating Engineers Guide, EELLS, Henry B.

American Society of Heating and Ventilating Engineers Guide, 1934 For the purpose of this chapter the following terms will be used and should be clearly distinguished from one another: Maximum Possible Flow: The flow which would occur if the putlets on all fixtures were opened simultaneously.

American Society of Heating and Ventilating Engineers Guide, 1934 DAVENPORT, R.

American Society of Heating and Ventilating Engineers Guide7i93j fan. in a certain high school auditorium was nearly as loud as aver speech in a large auditorium.

American Society of Heating and Ventilating Engineers Guide, 1936 British equivalent temperature, 691 British thermal unit, 772 Building, buildings, air velocities in, 357 classification for district heating, 683 construction, heat transmission of, 105, 107 district heating, 676 fuel requirements of, 509 hot water supply to, 640, 643 intermittently cooled, 162 intermittently heated, 151, 413, 707 load factors, 518 materials, heat transmission of, 106 noise in, 327 saving of steam In, 677 8team consumption, 514 tall, infiltration in, 138 water supply to, 629 Burner, burners, automatic equipment, 485 coal, 485 conversion, 504, 506 gas, 502 oil. 500 By-pass method. 170, 772 C Cabinets, (see Enclosures) dryers, 728 ` Calorie, 772 Calorific values, coal, 472 gas, 481 oil. 479 Can dryers, 727 Capacity motor, 750 Capillary moisture, 732 Carbon dioxide, 40, 206 concentration in air, 76 as corrosion agent, 626 as an index of: combustion, 473 draft loss, 462 odors, 57 measurement of, 767 Carbon monoxide, in air, 288 in garages, 100 poisoning, 289 produced by oil burners, 496 Carnot cycle, 44 Cattle, heat and moisture produced by, 99 Ceilings, heat transmission, 119 Central air conditioning systems, 169 automatic control of, 275, 283 design of, 171 location of apparatus, 172 ratings of, 176 spray type, 170 - Central fan heating systems, 387, 772 computations for. 395 connections, 579 design of, 391 electrical, 702 heating requirements of;.390 Charles* law, 7 Chart, of air densities, 6 comfort, 68 effective temperature, 64', 65, 66 psychrometric, 64, 65, 66, 740, (back cover) Ringelmann, of smoke densities, 768 Chimney, chimneys, 451 action, 119 areas of, 457, 461, 468 characteristics, 453 construction of, 465 effect. 90, 93, 119, 138. 549, 772 for gas heating. 466 performance, 456 sizes, 457, 461, 468 .

American Society of Heating and Ventilating Engineers Guide, 1936 the average maximum dry- and wet-bulb temperatures for other cities.

American Society of Heating and Ventilating Engineers Guide, 1936 224 Note.-- T o determ ine capacity a t.a n y steam pressure and entering tem perature, m u ltip ly constant fro m table b y rated capacity a t 60 F entering and 2.1b, pressure.

American Society of Heating and Ventilating Engineers Guide, 1936 the cooling element, this unit gives controlled temperature, humidity, air cleaning, and air movement in both summer and winter.

American Society of Heating and Ventilating Engineers Guide, 1936 Table 8.

American Society 0/ Heating and Ventilating Engineers Guide, 1936 Where a battery of boilers is connected into a breeching each boiler should be provided with a tight damper.

American Society 0/Heating and Ventilating Engineers Guide, 1936 Gas-Fired Boilers Information on gas-fired boilers will be found in Chapter 25.

American Society of Heating and Ventilating Engineers Guide, 1936 be; used, as direct current would cause electrolytic deterioration.

American Society of Heating and Ventilating Engineers Guide, 1936 temperature of 80 F with a relative humidity of 65 per cent to hold the surface of the dough open, so that the C02 gases formed by the fermenta tion may pass out and produce a loaf of bread, when baked, of even, fine texture without large voids.