456 CHAPTER 20 1950 Guide Table 2.

528 CHAPTER 23 1950 Guide stat so-as to turn heat on or off, when the desired temperature of 80 F,or any other predetermined surface temperature of the cylinder, decreases or increases as a result of changes in the Operative Temperature.

764 CHAPTER 36 ...Guide 1950 of refrigerant which is present in vapor fonn.

CU FT OF AIR PER MINUTE FRICTION OF AIR IN STRAIGHT DUCTS HEATING VENTILATING AIR CONDITIONING GUIDE 1950 COPYRIGHT 1950 BASED ON STANDARD AIR OF 0.075 LB PER CU FT DENSITY FLOWING THROUGH AVERAGE, CLEAN, ROUND, GALVANIZED METAL DUCTS HAVING APPROXIMATELY 40 JOINTS PER 100 FT.

HEATING VENTILATING AIR CONDITIONING GUIDE 1951 Technical Data Section Chapters 1--50 and Pages 1--1048 A Abatement air pollution. 157 smoke, 8, 135, 157, 161, Abbreviations, II Absolute humidity, 5 pressure, 7 temperature, 9, 41 zero, 1, 41 Absorbents, 813, 818 process, 813 ' temperature, pressure, centration, 818 con Absorbers duct sound, 874, 876.

Heating Ventilating - Air Conditioning Guide 1951 Industrial {continued) exhaust systems, 539 Infiltration causes, 213 due to wind pressure, 213 heat losses, 248 latent. 249 'sensible, 248 temperature difference, 218 through outside doors, 217,248 through walls, 214. through windows, .214, 216 Inflammability, 168, 327 Inside temperature, 234, 258 Instruments, 1021 Insulation, 6,-589 economical pipe thickness, 601 parity furnace duct, 429 low temperature pipe, 598 pipe, 589 pipes to prevent freezing, 599 sound, 874 underground pipe, 603 ' Intermittently heated build ings, 251 Isobaric, 6 Isothermal, 6 J Joints, duct, 681 K Kata thermometer, 526, 1032 L Laboratories, 934 Latent heat, 5, 248, 619 loss, 248 Laws of thermodynamics, 9 Leaders, 429 Leakage of air, 213 door, 215, 217, 248, 301 window, 215, 216 light heat gain, 303 Lignite, 319, 320 Lint, 710 Liquid absorbents, 813 heat of, 5 lithium chloride, 813.

202 CHAPTER'9 ' 1951 Guide Table 18.

290 CHAPTER .12 1951, Guide Table 16.

370 CHAPTER 15 1951 Guide considered consistent with good practice, although there are boilers which have high efficiencies and also operate at higher transmission rates.

772 CHAPTER 35 1951 Guide . 9,78 X 57.3 - 102 1 52.3 8.78 (5) The total coil load may be calculated from the enthalpy difference across the coil and the air quantity using the weight of dry air instead of the weight of the mixture. q% = Gm (hi -- hi) = 1700 (49.24 - 23.77) = 43,200 Btu per (hr) (sq ft of face area) where G = weight of dry air per (hour) (square foot of coil face area). hi = enthalpy of air vapor mixture entering coil, Btu per pound of dry air. hi = enthalpy of air vapor mixture leaving coil, Btu per pound of dry air.

942 CHAPTER 45 1951iGuide Table 2.

1040 CHAPTER 49 1951 Guide ** Tho Thnnno-Intezrator--A New Instrument for the Observation of Thermal Interchanges, by C.

trr- { Heating Ventilating Air Conditioning Guide 1952

Heating Ventilating Air Conditioning Guide 1952 Warm air (continued) mechanical heating syatema {continued) fans, 392t 463 filters, 392 furo&ce, 391 heavy duty. 392 selection, 463 humidification, 397 large systems, 453 " registers and grilles* 450 standard combinations, 451, 452 panel heating, 463 radiators, 370 Washer, washers,' 741 air. 1, 741 Water _ nnalvsis, 902 ata,pheric cooing equip- ment, 741, 751 characteristics, 902 classification, 903 coils. 761, 1027 .

CHAPTER 3 - Table 2.