American Society of Heating and Ventilating Engineers Guide, 1936 In order to determine the amount of radiating surface necessary to maintain the MRT at 72 F, assume the surface, temperature of the hot plates to be installed to be 200 F, which is approximately the temperature they would have -if heated by steam.

American Society of Heating and Ventilating Engineers Guide, 1936 Head................. ................................................................................................................................

American Society of Heating and Ventilating Engineers Guide, 1937 measurements are given in actual intensity or energy units, they can be converted to decibels by this relation.

American Society of Heating and Ventilating Engineers Guide, 1937 PROPORTIONING WALL STACKS The wall stack for an upper floor should be made not less than 70 per cent of the area of the leader.

American Society of Heating and Ventilating Engineers Guide, 1937 Should the steam pressure be dropped to J^-lb gage, the pressure on each side of the orifice would be balanced and no steam flow would take place.

American Society of Heating and Ventilating Engineers Guide, 1937 New York Air Valve Corporation, 1130 Sarco Company, Inc., 092-1093 Sterling Engineering Company, 1089-1091 Trane Company, The, 1094 Warren Webster & Company, 1095- 1097 Wright-Austin Co., 1098 Autovent Fan & Blower Co., 945 Baker Ice Machine Co., Inc., 822 Bayley Blower Company, 946 Binks Manufacturing Co., 938-939 Buffalo Forge Company, 947 E.

"9 m11 American Society of Heating and Ventilating Engineers Guide, 1937 HUMIDIFIERS, Unit Sylphon Control Systems, Inc., Eagle-Picher Lead Company, The.

Heating Ventilating Air Conditioning Guide 1938 Pressure, pressures (continued) measurement of, 807 partial, Dalton's law of. 1 refrigerating plant, 486 of saturated vapor, 12 static, 421, 828 steam, in direct heating, 765 drop, 278, 302, 307 initial, 302 in orifice systems, 290 saturated, 28 in sub-atmospheric systems, 289 total. 829 vapor, 31, 830 velocity, 830 water, 27, 789 Prime surface, 827 Processing, 621 cooling systems, 469, 621 industrial, temperatures and humidities for, 622 of textiles, 626 unit heaters, 444 Propeller fans, test code for, 534 Psychrometer, 827 sling, 811 Psychrometric, chart, 25, 60, 61, 62, (back cover) for drier, 654 explanation, 25 tests, 59 Pulmonary disturbances, 605 Pump, pumps, centrifugal, 334 characteristics, 181 circulating, 333 condensation return, 292 heat. 472, 749 vacuum, 293 Pyrometer, 810, 827 mercurial, 810 optical, 810 radiation, 810 i thermo-electric, 810 Q-R Quality, of air, 69, 70, 71 impaired by recirculation 83 Quantity, of air, measurement of, 811 necessary for ventilation, 70, 71, 72, 168, 609, 675 of cooling water, 511 Radiant heaters, 743 Radiant heating, 753 physical and physiological factors, 753 Radiation, 827 by black body, 759 ' drying with, 647 equivalent direct. 304, 828 heat loss by, 63, 76, 754 by human body, 63, 76, 754 load. 252 of pipe, 722 by radiators, 263 solar, 151, (see also Solar Heal) occlusion of, 84 through glass, 152 through walls, 152 ultra-violet, 75, 82 Radiator, radiators, 263, 827 A.S.H.V.E. code for, 271 column, 821 concealed, 821 condensation rate in, 267 connections, 320, 348 control of, 687 correction rating factors. 271 effect of superheated steam, 265 enclosed, 267 gas-fired, 223 Radiator, radiators (continued) heat emission of, 263, 270 heating capacity of, 270 heating effect of, 266 for hot water systems, 346 output of, 264 paint, effect of, 265 panel, 827 pipe coil, 263 ratings of, 264 recessed, 827 selection, 270 tube. 829 types of, 263 wall, output, 264 warm air, 223 Railway air conditioning,' 609 air distribution, 560, 610 > cleaning, 611 *" .

Heating Ventilating .Air Conditioning Guide 1938 PROBLEMS IN PRACTICE 1 What are the most comfortable air conditions?

Heating Ventilating Air Conditioning Guide 1938 Table 3.

Heating Ventilating Air Conditioning Guide 1938 The prime essentials of good furnace design are: correct proportions, moderate combustion rate, adequate furnace volume and sufficient flame clearance.

Heating Ventilating Air Conditioning Guide 1938 of about 32 lb per square inch must be maintained in the expansion tank if the water in the highest radiator is to be heated to 225 F without danger of boiling.

Heating Ventilating Air Conditioning Guide 1938 carrying one-half the total capacity of a 30-in. main with the same friction loss per foot would be 23.4 in. in diameter.

Heating Ventilating Air Conditioning Guide 1938 necessary to treat acoustically the walls and ceiling of the equipment room.

Heating Ventilating Air Conditioning Guide 1938 Table 1.