American Society of Heating and Ventilating Engineers Guide, 1937 is converted into velocity head and a draft loss of some consequence, par ticularly in a short breeching, takes place.
refid# BDwr7zvD0G2RB9edkGqkGr6E1 page
American Society, of Heating and Ventilating Engineers Guide, 1937 20 Baths at 40 gal and .33 per cental________ __________ ;............ ............. .... 270 gal 20 Lavs, at 20 gal and 25 per cent-'.______ ...........___ ___ :_____ J00 gal 20 Sinks at 30 gal and 33 per cent.______ ________ ________..a.4a..___ ________ . 200 gal 20 Trays at 50 gal and 60 per cent.___________________ ___ _____ _________ 600 gal TPorotabal-b--le--p--e-a-k--u-s-e--a--t-o--n-e--t-im---e-_-_--_-_--_-_--_-_--_-_--_--_-_-_:___________________________:.._._.._. _.._.._.._._..4..1.7..03g5aple7 CCQt Probable actual peak demand1..._____'_____________________ ......... ....409 gph If three persons are assumed to an apartment, the total daily use of l)ot; water, should approximate 20 X 3 X 40 gal = 2400 gal and if the peak hour is 10 per cent of this amount, the peak hour by this method mows a probable demand of one-tenth of 2400 gal, which indicates that the values in Table 13 are safe.
refid# 93XK2r3nvLnrrw5zg13Vm3No51 page
Heating Ventilating Air Conditioning Guide 1938 M Machinery, as heat source, 140, 159 mountings vibration, 587 sound insulation of, 587 Magnesia insulation, 724 Manometer, 811, 826 , Manual control, (see Controls) Masonry materials, heat transmission through. 97 Mass. 826 Mb. 331. 826 Mbh, 331, 826 Mean radiant temperature, 754, 758 Mechanical, draft towers, 515 equivalent of heat. 826, 834 fuel burning equipment, 201 refrigeration, 35 ventilation, 77 warm air furnace systems, 391 air distribution, 397 design of, 400 w ^sister and grille locations, 397 Medical treatment, (see Diseases) Mental trouble, 605 v Mercurial thermometer, 809 Metabolism, 53, 73 Meters, choice of, 774 condensation, 771 fluid. 774 Nicholls heat flow, 817 steam flow, 776 types of, 774 water, disc. 789 Methyl chloride, 37, 42, 511 Metric units, 835 Micromanometers, 808 Micron, 79, 826 Mixture, air and water vapor, 12 Modulating control, 687 Moisture. content, of air, 72, 147, 503, 625 capillary or free, 651 of hygroscopic materials, 626, 651 loss by human body, 76 from outside air, 158 produced by cattle, 679 - regain, 625 Mol, 826 ' Monitor openings, 672 , Monofluorotrichloromethane, 37, 44 Motive power, 703 Motors, electric, 703 adjustable speed, 704, 709 adjustable varying speed, 704 alternating current, 705 application of. 708 capacitor type, 706 characteristics of, 708 dassiflcation of, 708 compound wound, 703 constant speed, 704, 708 control equipment for, 711 automatic, 712 manual, 711 multispeed. 714 pilot, 712 single phase, 716 slip ring, 715 damper. 685 direct current, 703 control of, 713 speed characteristics, 704, 708 as heat source, 159 induction, automatic start, 710 - capacitor start, 706 repulsion, 706 repulsion start, 707 - slip-ring wound rotor, 710 squirrel cage, 707 Motors, electric (continued) polyphase, 707 selection of, 645 series wound, 703 shunt wound, 703 single phase, 706 special applications, 711 split phase, 707 synchronous, 711 varying speed, 705 MRT, mean, radiant temperature, 754, 758 N Natural draft towers, 515Natural ventilation, 72, 669.'
refid# 2R8p2E7rL4O261Lbp4LeMZDK71 page
Y Heating Ventilating Air Conditioning Guide 1938 of the kind of material used in the construction, varies as the volume of material in the structure, -the cost criterion then may be represented by the approximate equation: Q = TciHD ' (9) where Q = volume of material, cubic feet.
refid# zow977gyjNOBXOK7kJMRMao8m1 page
msgsmam*-',, - ---- -------- -- " Heating Ventilating Air Conditioning Guide 1938 return to the boiler or to waste, graduated or ordinary radiator valves, no automatic air valves on the radiators, thermostatic traps on the radiator returns, and the venting of all air from the system by means of pipes open to the atmosphere.
refid# Lg9ZD2bdK2140z1Z5NpbEGXy71 page