The Mechanics' Handbook: A Convenient Reference Book for All Persons Interested in Mechanical Engineering, Steam Engineering, Electrical Engineering, Railroad Engineering, Hydraulic Engineering, Bridge Engineering, EtcInternational Textbook Company, 1904 - 218 σελίδες |
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Σελίδα vii
... rails ... Cylinder heads . 256 287 288 290 309 217 heads , Bolts for . 217 Cylinders for Corliss engines . 221 Formulas for strength of . 157 Proportions of ..... 216-219 Stuffingbox for . 228 Surface of . 116 Volume of .. 116 D. PAGE ...
... rails ... Cylinder heads . 256 287 288 290 309 217 heads , Bolts for . 217 Cylinders for Corliss engines . 221 Formulas for strength of . 157 Proportions of ..... 216-219 Stuffingbox for . 228 Surface of . 116 Volume of .. 116 D. PAGE ...
Σελίδα 261
... railway work . Torque may be defined as the reaction of the current in the armature or moving part against the magnetic lines of force in the field magnets or stationary part . Strength of field is obtained by the current circulating ...
... railway work . Torque may be defined as the reaction of the current in the armature or moving part against the magnetic lines of force in the field magnets or stationary part . Strength of field is obtained by the current circulating ...
Σελίδα 268
... railway plants the dynamos are usually over- compounded , thus giving a higher E. M. F. at the brushes at full load than at light load . In a case of this kind , a differential winding is employed , as shown in Fig . 2 , which FIG . 2 ...
... railway plants the dynamos are usually over- compounded , thus giving a higher E. M. F. at the brushes at full load than at light load . In a case of this kind , a differential winding is employed , as shown in Fig . 2 , which FIG . 2 ...
Σελίδα 277
... Rail- road Work . Suppose CAD in Fig . 2 to be a railroad in operation , and that it has been decided to run a ... rails . The direction of this tangent , however , can be obtained by setting up at A and sighting to a flag held at D. The ...
... Rail- road Work . Suppose CAD in Fig . 2 to be a railroad in operation , and that it has been decided to run a ... rails . The direction of this tangent , however , can be obtained by setting up at A and sighting to a flag held at D. The ...
Σελίδα 282
... rails . The point A is in the head block of the switch ( which is designated by the abbreviation H. B. ) at Benton Station , O. & P. R. R. The instrument is now moved to B , the vernier set at zero and backsighted to A ; the bearing of ...
... rails . The point A is in the head block of the switch ( which is designated by the abbreviation H. B. ) at Benton Station , O. & P. R. R. The instrument is now moved to B , the vernier set at zero and backsighted to A ; the bearing of ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
amperes armature battery beam boiler bolts center of gravity center of percussion change gear chord deflection circle circuit column headed corresponding cubic cylinder decimal point Diam diameter difference divided draw dynamo electromotive force engine enrolled equal feet formula fraction frog distance gauge gear h given number heat Hence horsepower inertia iron lead screw Leclanché cells length mantissa mean effective pressure measured moment of inertia motor multiplied number of teeth number of threads obtained ohms P. P. TABLE perpendicular pipe piston pitch pounds pressure produce pulley quantities quotient radius radius of gyration rail resistance root rope shaft shown in Fig side significant figures square inch steam subtracted surface switch TABLE Continued tangent deflection temperature three figures tion triangle turnout curve valve velocity vertical volts weight wire wrought iron Zinc
Δημοφιλή αποσπάσματα
Σελίδα 2 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30| square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq. mi.) Cubic Measure 1728 cubic inches (cu.
Σελίδα 3 - TROY WEIGHT. 24 grains (gr.) 1 pennyweight (pwt.) 20 pennyweights, 1 ounce (oz.) 12 ounces ... 1 pound (Ib.) Troy weight is used in weighing gold, silver, precious stones, etc. APOTHECARIES
Σελίδα 3 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt.) 4 quarts = 1 gallon (gal...
Σελίδα 2 - SURVEYORS' SQUARE MEASURE. 144. This measure is used by surveyors in computing the area or contents of land. TABLE. 625 Square Links (sq. 1. ) make 1 Pole P. 16 Poles " 1 Square Chain . sq. ch. 10 Square Chains " 1 Acre A. 640 Acres " 1 Square Mile . . sq. mi. 36 Square Miles (6 miles square)
Σελίδα 2 - CUBIC MEASURE 1728 cubic inches (cu. in.) = 1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu.
Σελίδα 6 - Measures of Capacity 10 milliliters (ml) =1 centiliter cl 10 centiliters =1 deciliter dl 10 deciliters =1 liter 1 10 liters =1 dekaliter Dl 10 dekaliters =1 hektoliter HI 10 hektoliters =1 kiloliter Kl NOTE — The liter is equal to the volume occupied by 1 cubic decimeter.
Σελίδα 25 - This is called the total heat of vaporization, or simply total heat. It is plain that the total heat is the sum of the heat of the liquid and the latent heat. That is, total heat = heat of liquid + latent heat.
Σελίδα 42 - To Divide One Number by Another, Subtract the logarithm of the divisor from the logarithm of the dividend, and obtain the antilogarithm of the difference.
Σελίδα 5 - 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 189 - Fig. /», the valve is shown In its extreme position at the right. The distance marked m is the maximum port opening. It matters not whether the outer edge of the valve travels beyond the inner edge of the port or falls short of it, as in the...