154 CHAPTER 8 1952 Guide particles in the 0.1 micron vicinity may have influenced the determination of average particle size.

: i. '!

246 .

260 CHAPTER 12 1952 Guide " States.

334 CHAPTER 13 1952 Guide' \ Fuels and Combustion 335 T a b le 6.

556 CHAPTER 24 / '> 1952 Guide Fio. 3.

744 CHAPTER 34 1952 Guide Table 1.

748 CHAPTER 34 1952 Guide .velocity- in a complete.

760 CHAPTER 34 1952 Guide circulating water as a result of evaporation;- that the water suspended in the tower is surrounded by a film of air which is saturated with water vapor and at the temperature of the water surrounded; and that the basic theory of cooling tower operation proposed by Lewis13 and developed by.

782 where ' CHAPTER 35 I^ 1952 Guide : ,U = overall coefficient of heat transfer,- Btu per (hour) (square foot external surface) (Fahrenheit degree mean temperature difference between air and .fluid within the coil). f-, = film coefficient of heat transfer between the internal surface of the coil and ' the fluid flowing-Within the coil, Btu per (hour) (square foot internal sur face) (Fahrenheit degree mean temperature difference .between that surface and the average fluid temperature).

,786 CHAPTER 3S 1952 Guide i where ft = internal film coefficient of heat transfer, Btu per (hour) (square foot of internal tube surface) (Fahrenheit degree). --... . (, = average refrigerant temperature, Fahrenheit degrees.

884 CHAPTER 40 1952 Guide Sound Control 885 .Fig. 6 Acoustic Treatment op Ducts A.

906 CHAPTER 42 1952 Guide I' - insoluble carbonates (or, in the case of iron in the presence of oxygen, ferric hydroxide or. oxide may be formed).

Heating Ventilating Air Conditioning Guide 1953 ' Tables (continued) operating conditions, 842 / - operating hours, 956 / orifice capacities, 490, 527 ' outdoor air requirement, 113 outlet velocities, 734 outside temperature, 241, 267 owning and operating cost, 952 particle size, 153, 154 particulate matter, size, 153 permeability to vapor, 208 physiological response to heat, 117 pipe capacity, 376, 492, 496- 501, 524, 526, 1054 pipe covering factors, 624 pipe dimensions, 604-606 pipe expansion, 607 pipe fitting dimensions, OH- 618 pipe roughness, 73 pipe surface, 623 ' pipe volume, 537 pressure loss.

16 CHAPTER 2 1953 Giiidi 1 atmosphere 1 in. water at 62 F (in vacuo) 1 ft. water at 62 F (in vacuo) 1 in. mercury at-62 F (in vacuo) 1 in. mercury at 32 F (in vacuo) Metric Units' 1 cm 1 in. 1m 1 ft 1 sq cm 1 sq in. 1 sq m 1 sq ft 1 cu cm 1 cu in. 1 cu m 1 cu ft 1 liter ... > 1 metric ton 1 gram 1 kilometer per hour 1 gram per square centimeter 1 kg per sq cm (metric atmosphere) 1 gram per cubic centimeter 1 dyne 1 absolute joule 1 Int. joule 1 metric horsepower . 1 I.T. kilocalorie, per kilogram 1 I.T. calorie per square centimeter 1 I.T. calorie per (second) (square centi- - meter) for a temperature gradient of 1 deg per centimeter- ( 14 .696 lb per square inch | 2116 lb per, square foot ... 1 33.94 ft.water^at 62-F-' ; I 30.01 in. mercury at 62 F ( 29.921 in. mercury at 32 F- e . 03609 lb per square inch .5774 oz per square inch . 197 lb per square foot I 0.4330 lb per square inch \ 62.37 lb per square foot 0.4897 lb per square inch I 7.835 oz per square inch 1.131 ft water at 62 F 13.57 in. water at 62 F -- 0.49115 lb per square inch -- v.osot ill. = U.U3Z8 tt = 2.540 cm = 3.281 ft = 0.3048 m. = 0.1550 sq in. = 6.452 sq cm = 10.76 sq ft = 0.09290 sq m => 0.06102 cu in. = 16.39 cu cm = 35.31 cu ft = 0.02832 cu m -- 1000 cu cm -- 0.2642 gal = 2.205 lb (avdp) = 0.4536 kg = 2205 lb (avdp) = 0.002205 lb (avdp) -- 0.6214 mph _ / 0.02905 in. mercury at 62 F \ 0.3942 in. water at 62 F = 14.22 lb per square inch _ / 0.03613 lb per cubic inch \ 62.43 lb per cubic foot = 0.00007233 poundals ( 10,000,000 ergs ' (0.7376 ft-lb = 0.7378 ft-lb / 75 kg-m per second \ 0.986 hp (U.