Modern Sheet-metal Workers' Instructor: Practical Geometry, Mensuration, Properties of Metals and Alloys ...Drake, 1906 - 309 sider |
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Resultat 1-5 av 35
Side 54
... acid , and not at all by nitric acid . The rolled or forged metal breaks with a fine silky fracture . Aluminium is not found in a metallic state , but when in combination with oxygen , various alkalies , fluorine , silicon , and acids ...
... acid , and not at all by nitric acid . The rolled or forged metal breaks with a fine silky fracture . Aluminium is not found in a metallic state , but when in combination with oxygen , various alkalies , fluorine , silicon , and acids ...
Side 55
... acids and to atmos- pheric conditions renders it especially suitable . The great disadvantage of aluminium is the difficulty en- countered in forming reliable soldered joints . This is caused by the formation of an oxide on the surface ...
... acids and to atmos- pheric conditions renders it especially suitable . The great disadvantage of aluminium is the difficulty en- countered in forming reliable soldered joints . This is caused by the formation of an oxide on the surface ...
Side 56
... acid , hot concentrated sulphuric acid , and aqua regis , and if treated with nitric acid forms a straw - colored powder known as antimonic acid . Commercial antimony contains im- purities in the form of potassium , copper , iron , and ...
... acid , hot concentrated sulphuric acid , and aqua regis , and if treated with nitric acid forms a straw - colored powder known as antimonic acid . Commercial antimony contains im- purities in the form of potassium , copper , iron , and ...
Side 58
... acids , and , as has already been shown , easily alloys with most metals . Tin - plate as used by the sheet- metal worker is not solid tin , but steel - plate thinly coated with tin by a special process . Many of the more important ...
... acids , and , as has already been shown , easily alloys with most metals . Tin - plate as used by the sheet- metal worker is not solid tin , but steel - plate thinly coated with tin by a special process . Many of the more important ...
Side 62
... acids , galvanized iron is not suitable for vessels exposed to acids or acid vapors . Copper . This , the only red metal , is malleable , tena- cious , soft , ductile , sonorous , and an excellent conduc- tor of heat . For this reason ...
... acids , galvanized iron is not suitable for vessels exposed to acids or acid vapors . Copper . This , the only red metal , is malleable , tena- cious , soft , ductile , sonorous , and an excellent conduc- tor of heat . For this reason ...
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Vanlige uttrykk og setninger
66 IXXX alloys aluminium ammoniac annealed antimony bending bismuth body boiling borax bottom brass brazing cast iron chloride of zinc circle circumference clean coated copper copper bit cubic contents curve cutter cylinder degrees Fahrenheit describe dipped dissolve draw the line ductility edge ENGINEERING feet fire flux foot gallons galvanized gills glue hammer hardened heat hole inches in diameter IXXXX joint lead leather length machine shown malleable melted molten Multiply muriatic acid nitric acid number of equal oxide pattern perpendicular piece pints pipe plates points pounds pressure radius right angles rolls rosin round salammoniac screw shape shears sheet metal shown in Fig sides solder solution speculum metal spelter square inch stake steel straight line substances sulphuric sulphuric acid superficial area surface temperature thick tion triangle tube velocity vessel Weight width Wire Gauge WROUGHT IRON zinc zine
Populære avsnitt
Side 5 - When a straight line standing on another straight line makes the adjacent angles equal to one another, each of the angles is called a right angle ; and the straight line which stands on the other is called a perpendicular to it.
Side 21 - AB of the circle into as many equal parts as the polygon is to have sides. With the points A and B as centers and radius AB, describe arcs cutting each other at C.
Side 224 - To find the pressure in pounds per square inch of a column of water, multiply the height of the column in feet by .434. Approximately, we say that every foot elevation is equal to % Ib. pressure per square inch ; this allows for ordinary friction. To find the diameter of a pump cylinder...
Side 227 - To find the velocity in feet per minute necessary to discharge a given volume of water in a given time, multiply the number of cubic feet of water by 144 and divide the product by the area of the pipe in inches.
Side 43 - To find the. area of a triangle when the three sides are given. From half the sum of the three sides...
Side 10 - A circle is a plane figure contained by one line, which is called the circumference, and is such, that all straight lines drawn from a certain point within the figure to the circumference are equal to one another : 16. And this point is called the centre of the circle.
Side 5 - A plane angle is the inclination of two lines to one another in a plane, which meet together, but are not in the same direction.
Side 5 - A straight line is that which lies evenly between its extreme points.
Side 15 - A cone is a solid figure described by the revolution of a right-angled triangle about one of the sides containing the right angle, which side remains fixed.