Plumbers' HandbookMcGraw-Hill book Company, Incorporated, 1922 - 629 σελίδες |
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Σελίδα 4
... equal distances from the flame of each rod , those on the copper will burn earlier than those on the iron rod . 2. Convection . - The hot air of a chimney rises , mixes with the outside air , and gives some of its heat to the outside ...
... equal distances from the flame of each rod , those on the copper will burn earlier than those on the iron rod . 2. Convection . - The hot air of a chimney rises , mixes with the outside air , and gives some of its heat to the outside ...
Σελίδα 11
... equal to the full demand . In other words , a heater whose capacity is about equal to 1/4 G = 2.2 gal . per minute , would undoubtedly meet the re- quirements of this problem . The heating surface ( coils in heater ) for a heater of ...
... equal to the full demand . In other words , a heater whose capacity is about equal to 1/4 G = 2.2 gal . per minute , would undoubtedly meet the re- quirements of this problem . The heating surface ( coils in heater ) for a heater of ...
Σελίδα 12
... equal height and cross - section area , side by side , and connected at the bottom by passage C. If we locate a steam radiator at the base of stack B and let B Open to Air 요 a b FIG . 5 . FIG . 4 . steam into the radiator , there will ...
... equal height and cross - section area , side by side , and connected at the bottom by passage C. If we locate a steam radiator at the base of stack B and let B Open to Air 요 a b FIG . 5 . FIG . 4 . steam into the radiator , there will ...
Σελίδα 20
... equal the pressure of the atmosphere at d . A column of water 2.3 ft . high exerts a pressure of 1 lb. per square inch ; therefore , the maximum theoretical height to which water may be lifted by a vacuum is equal to 2.3 times 14.7 or ...
... equal the pressure of the atmosphere at d . A column of water 2.3 ft . high exerts a pressure of 1 lb. per square inch ; therefore , the maximum theoretical height to which water may be lifted by a vacuum is equal to 2.3 times 14.7 or ...
Σελίδα 36
... equal this displacement , on account of valve and piston leakage . The amount of this leakage divided by the pump displacement for the same unit time , is called the slip . For one single - acting cylinder , the pump capacity may be ...
... equal this displacement , on account of valve and piston leakage . The amount of this leakage divided by the pump displacement for the same unit time , is called the slip . For one single - acting cylinder , the pump capacity may be ...
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.