Plumbers' HandbookMcGraw-Hill book Company, Incorporated, 1922 - 629 σελίδες |
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Σελίδα 1
... containing a different quantity of water . If A A B FIG . 1 . and B are placed side by side in contact , and we observe by means of a mercury thermometer placed first in A and then in B that the temperature of the water in B increases ...
... containing a different quantity of water . If A A B FIG . 1 . and B are placed side by side in contact , and we observe by means of a mercury thermometer placed first in A and then in B that the temperature of the water in B increases ...
Σελίδα 4
... Temperature . In the first place , a glass of water as long as it contains ice and is stirred does not become either hotter or colder on standing . The ice may melt away , but as long as there is any ice left , 4 PLUMBERS ' HANDBOOK.
... Temperature . In the first place , a glass of water as long as it contains ice and is stirred does not become either hotter or colder on standing . The ice may melt away , but as long as there is any ice left , 4 PLUMBERS ' HANDBOOK.
Σελίδα 8
... contains a certain amount of heat above that at 32 ° F . That is , it contains the extra B.t.u. of ( 60-32 ) X specific heat X weight of water . The specific heat is the quantity of heat , in B.t.u. , necessary to raise the tem ...
... contains a certain amount of heat above that at 32 ° F . That is , it contains the extra B.t.u. of ( 60-32 ) X specific heat X weight of water . The specific heat is the quantity of heat , in B.t.u. , necessary to raise the tem ...
Σελίδα 23
... contains 1,043 B.t.u. chargeable to the pump cylinder . What is the duty ? 160 X 8.33 ( weight of 1 gal . ) X 200 = = 267,000 . minute delivered ( 800 X 1,043 ) divided by 60 minute by the pump cylinder foot - pounds per = B.t.u. ...
... contains 1,043 B.t.u. chargeable to the pump cylinder . What is the duty ? 160 X 8.33 ( weight of 1 gal . ) X 200 = = 267,000 . minute delivered ( 800 X 1,043 ) divided by 60 minute by the pump cylinder foot - pounds per = B.t.u. ...
Σελίδα 53
... contain a high percentage of silicon . Cast - iron pieces which are welded should be pre- heated and re - heated , and allowed to cool slowly , which avoids unequal expansion and contraction . The edges of welds on metal 14 in . thick ...
... contain a high percentage of silicon . Cast - iron pieces which are welded should be pre- heated and re - heated , and allowed to cool slowly , which avoids unequal expansion and contraction . The edges of welds on metal 14 in . thick ...
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.