Heating Ventilating Air Conditioning Guide 1938 3 If 20 tons of coal having a calorific value of 13,000 Btu per pound are burned In a warm air furnace and produce 286,000,000 Btu at the bonnet, what is the efficiency of the furnace?

F riction H ead in M ilinches per Root op' Pipe toooq Heating Ventilating Air Conditioning Guide 1938 loo 300 1000 Meat conveyed per Hour in iooo B.T.

Heating Ventilating Air Conditioning Guide 1938 8 t Do all unit ventilators introduce a constant amount of outdoor air?

Heating Ventilating Air Conditioning Guide 1938 The loss by radiation of a given surface depends entirely upon the difference between the temperature of the body and the mean surface temperature of the surrounding walls and objects.

Heating Ventilating Air Conditioning Guide 1938 MIL-WARD, Robert K.

Heating Ventilating Air Conditioning Guide 1939 Specific density, 3 Specific gravity, 2, 843 of fuel gas, 182 Specific heat, 3, 843 of air, 5 mean, of water vapor, 3 of water, 31 Specific humidity, 8 Specific volume, 3, 843 of saturated steam, 31 Split phase motor, 723 Split system, 843 air conditioning equipment, 416 Steam (continued) properties of, 28 requirements of buildings, 240, 792 saturated, properties of, 31 superheated, 271, 844 supply mains, 844 tables, 8, 28 trap, 843 tunnels, 786 underground, 783 in unit heaters, 436 Sterilization of air, 618 Stokers, automatic control of, 705 central fan, 416 apartment house, 212 automatic control of, 404, 715 unit ventilators, 442 Spray, booths for painting, 658 cooling, ponds, 531 efficiency of, 530 towere, 532 distribution of, 522 generation of, 522 humidifiers, 523 type of central station system, 415 water coolers, 476 Square foot of heating surface, 843 Squirrel cage motors, 723 Stack, stacks, 384 effect, 688 height, 843 classes of, 204 combustion process, 215 adjustments, 217 efficiency, 218 commercial, 212, 213, 214 controls, 218 design of, 207 economy, 207 household, 210 mechanical, 207 operating requirements, 211 overfeed flat grate, 207 overfeed inclined grate, 208 types of, 207 underfeed, 207, 844 underfeed rear cleaning, .209 ` underfeed side cleaning, 208 size of, 386, 395, 692 wall, 386 Storage, of hot water, 814, 818 Stairways, 127 temperatures and humidities for, 640 Standards, Storm sash, 123 air, 843 Streptococcus, 49 air conditioning, 49 A.S.H.V.E. codes and standards, 254, 277, 854 for fuel oil, 1?

Heating Ventilating Air Conditioning Guide 1939 Table 1.

Heating Ventilating Air Conditioning Guide 1939 Chapter 31.

Heating Ventheating Air Conditioning Guide 1939 load a starting resistor NEMA- classification No. 15 may be used.

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Ill 580___________ CHAPTER 321946 Cuide The Specific Characteristics of Fans, by M.

Controls and Instruments White-Rod gers Electric Company 1293 Cass Avenue, St.Louis, Mo.

HWBB-0009758 * *r f 1* W -o Air Hygiene Foundation 4400 Fifth Avenue Pittsburgh, Pa.

22694 Federal Register / Vol. 51, No. 119 / Friday, June 20, 1936 / Rules and Regulations CMA supports this approach....