Plumbers' HandbookMcGraw-Hill book Company, Incorporated, 1922 - 629 σελίδες |
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Αποτελέσματα 1 - 5 από τα 95.
Σελίδα 1
... flow . That is , whether heat flows from A to B or the reverse , depends not at 1 See ' Heating Systems , " page 464. See also " Domestic Hot Water Supply , " page 107 . all upon the size of the tanks , but upon 1 PREFACE V HEAT.
... flow . That is , whether heat flows from A to B or the reverse , depends not at 1 See ' Heating Systems , " page 464. See also " Domestic Hot Water Supply , " page 107 . all upon the size of the tanks , but upon 1 PREFACE V HEAT.
Σελίδα 8
... supply 1,000 × H = 1,132,600 B.t.u. HOT WATER HEATERS Capacity . In fixing upon the capacity of heater best suited ... Supply . - If all the water is used in 1 hr . , a much larger heater is required than would be needed if the same ...
... supply 1,000 × H = 1,132,600 B.t.u. HOT WATER HEATERS Capacity . In fixing upon the capacity of heater best suited ... Supply . - If all the water is used in 1 hr . , a much larger heater is required than would be needed if the same ...
Σελίδα 9
... supply is drawn . The capacity of this tank is greater than the hourly capacity of the heater , which can be of small size , since it operates on the storage tank during the periods when no hot water is being withdrawn . Heating Medium ...
... supply is drawn . The capacity of this tank is greater than the hourly capacity of the heater , which can be of small size , since it operates on the storage tank during the periods when no hot water is being withdrawn . Heating Medium ...
Σελίδα 11
... supply may be no greater than the intermittent rate provided for above . 1 Carefully note that Q is figured on the assumption that only about one- fourth the total gallons of water required per hour should equal the heater capacity ...
... supply may be no greater than the intermittent rate provided for above . 1 Carefully note that Q is figured on the assumption that only about one- fourth the total gallons of water required per hour should equal the heater capacity ...
Σελίδα 21
... supply should be above the pump so that the water will be forced by gravity into the pump cylinder . Discharge Pressure or Head . - Water pressure is frequently spoken of as head because height of water and pounds per square inch ...
... supply should be above the pump so that the water will be forced by gravity into the pump cylinder . Discharge Pressure or Head . - Water pressure is frequently spoken of as head because height of water and pounds per square inch ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
acetylene acid allowed alloy amount angle bend board or bureau boiler brass building calcium sulfate carbon cast iron CAST-IRON DRAINAGE FITTINGS cent chaser chimney coating cock column connection copper corrosion cubic cubic foot diameter Dimension discharge dissolved elbow enter eutectic fixtures flame flange floor flush foot furnace gage gallons galvanized gases heat heater house drain hydrogen inlet installed joints lead lead crystals less manganese material melting metal molten nitric acid outlet oxide oxygen pattern phosphorus placed plumbing pounds pressure pump radiator roof seam sewer shown in Fig side slag solder solution space square inch steam steel sulfur sulfuric acid supply surface TABLE tank temperature thread pipe threads toilet rooms trap tube urinal valve vent wall waste pipe water closets Weight of bundle Weight of sheet welding wrought iron zinc
Δημοφιλή αποσπάσματα
Σελίδα 522 - Measures of Length. 10 millimeters (mm.) 1 centimeter (cm.) 10 centimeters 1 decimeter (dm.) 10 decimeters 1 meter (m.) 10 meters 1 dekameter (Dm.) 10 dekameters 1 hectometer (Hm.) 10 hectometers 1 kilometer (Km.) 10 kilometers 1 myriameter (Mm.) 1181.
Σελίδα 605 - All connections of lead with iron pipes must be made with a brass sleeve or ferrule of the same size as the lead pipe, put in the hub of the branch of the iron pipe, and caulked with lead. The lead pipe must be attached to the ferrule by a wiped or overcast joint.
Σελίδα 179 - ... larger than those shown in the table are measured by the outside diameter and will be furnished with plain ends unless otherwise specified; for such sizes it will be necessary to accept Manufacturers' weights or calculate the weights on the basis of one cubic inch of steel weighing 0.2833 Ib.
Σελίδα 503 - The logarithm of any power of a number is equal to the logarithm of the number multiplied by the exponent of the power.
Σελίδα 599 - Drains. id. ; 8. The main drainage system of every house or building shall be separately and independently connected with the street sewer, where such sewer exists, except where two houses are built together on a lot with a frontage of thirty feet or less., when one connection with main sewer will be allowed ; but there shall be a separate house drain for each house, connected by a "Y...
Σελίδα 536 - In multiple dwellings the walls of all courts, unless built of a light color brick or stone, shall be thoroughly whitewashed by the owner or shall be painted a light color by him, and shall be so maintained. Such whitewash or paint shall be renewed whenever necessary, as may be required by the health officer.
Σελίδα 607 - The branches on vertical lines must be made by "Y" fittings, and be carried to the safe with as much pitch as possible.
Σελίδα 609 - Vent lines shall be connected at the bottom with a soil or waste pipe or with the drain, in such a manner as to prevent accumulation of rust scale and properly to drip the water of condensation.
Σελίδα 536 - ... yards, areaways, vacant rooms and spaces, and all parts and places used in common in a clean, sanitary and safe condition, and shall keep such parts thereof as may reasonably be required by the commissioner of labor properly lighted at all hours or times when said building is in use for factory purposes.
Σελίδα 605 - All sewer, soil and waste pipes must be as direct as possible. Changes in direction must be made with "Y" or half "Y" branches, or one-eighth bends. Offsets in soil or waste pipes will not be permitted when they can be avoided ; nor, in any case, unless suitable provision is made to prevent accumulation of rust or other obstruction. Offsets shall be made with forty-five degree bends, or similar fittings. The use of T-"Y's" (sanitary T's) will be permitted on upright lines only.