Plumbers' HandbookMcGraw-Hill book Company, Incorporated, 1922 - 629 σελίδες |
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Σελίδα 5
... taken of the vol- ume of steam produced during the evaporation of the water in a closed vessel , it will be found in each case that a definite volume has always been developed by the time that 1 lb. of water has been entirely evaporated ...
... taken of the vol- ume of steam produced during the evaporation of the water in a closed vessel , it will be found in each case that a definite volume has always been developed by the time that 1 lb. of water has been entirely evaporated ...
Σελίδα 6
... taken up by 1 lb. of water in changing from water at 32 ° F . into dry , saturated steam at any higher temperature consists largely of two parts . 1. The heat units absorbed in increasing the temperature of the water , or the activity ...
... taken up by 1 lb. of water in changing from water at 32 ° F . into dry , saturated steam at any higher temperature consists largely of two parts . 1. The heat units absorbed in increasing the temperature of the water , or the activity ...
Σελίδα 7
... Taken from " Heating & Ventilating , " by Harding and Willard . Problems 1. How much heat is required to change 1 lb. of water at 32 ° F . into steam at a pressure of 10 lb. gage ? To raise the temperature of the water from 32 ° F . to ...
... Taken from " Heating & Ventilating , " by Harding and Willard . Problems 1. How much heat is required to change 1 lb. of water at 32 ° F . into steam at a pressure of 10 lb. gage ? To raise the temperature of the water from 32 ° F . to ...
Σελίδα 8
... taken as one . The weight of the water in this case is 1 and the change of tempera- ture ( 60 32 ) degrees . Hence , the excess heat already in water is - Therefore , H = ( q - = ( 6032 ) X1 X1 = 28 B.t.u. = 1,132 B.t.u. q ) + e = ( 208 ...
... taken as one . The weight of the water in this case is 1 and the change of tempera- ture ( 60 32 ) degrees . Hence , the excess heat already in water is - Therefore , H = ( q - = ( 6032 ) X1 X1 = 28 B.t.u. = 1,132 B.t.u. q ) + e = ( 208 ...
Σελίδα 9
... taken from Table 3 below , which is published in " Ruud's Service Book . " The number of times used and the number of minutes in use for each time is a matter of guess work , but can be roughly estimated . Hence , the fixtures for one ...
... taken from Table 3 below , which is published in " Ruud's Service Book . " The number of times used and the number of minutes in use for each time is a matter of guess work , but can be roughly estimated . Hence , the fixtures for one ...
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.