The Mechanical Engineer's Pocket-book: A Reference Book of Rules, Tables, Data, and Formulae, for the Use of Engineers, Mechanics, and Students

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Wiley, 1902 - 1129 páginas

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Contenido

Geometrical Propositions
53
The Helix
60
Solution of Plane Triangles
65
Equations of the Hyperbola
71
Calculation of Mean Effective Pressure
74
Differential of an Exponential Function
77
Squares Cubes Square Roots and Cube Roots from 0 1 to 1600
86
Squares and Cubes of Decimals
101
Decimals of a Foot Equivalent to Inches and Fractions of an Inch
112
Contents of Pipes and Cylinders Cubic Feet and Gallons
121
of Logarithms
128
_1 Trigonometrical Functions
161
Flanges
192
Spiral Riveted Pipe
198
Sizes of Shot
204
Weight of Bolts with Heads
210
Iron Wire Size Strength etc
216
Galvanized Steelwire Strand
223
Steel Hawsers 223
229
Magnesia Bricks
235
Modulus of Elasticity
237
Measurement of Elongation 24
243
Strength of Castiron Columns
250
Built Columns
256
Working Strains in Bridge Members
263
Safe Loads on Steel Beams
269
Spacing of Steel I Beams
276
Themical Elements C
277
Flooring Material
281
Stresses in Steel Plating under Water Pressure
287
Initial Strain on Bolts
292
Tensile Strength of Wire
303
Copper at High Temperatures
309
Properties of Cork
316
The Hydrometer
317
Latent Heat 401
318
Coppertlnzinc Alloys 888
323
Aluminum Brass
329
Hopes and Chains
339
Manila Cordage Weight
347
Riveted Joints
354
Tungstenaluminum Alloys
381
Nonoxidizing Process of Annealing
389
Influence of Annealing upon Magnetic Capacity
396
May Carbon be Burned out of Steel?
402
Aluminum Steel
409
Force A of Force
415
Centre of Oscillation
421
Force of Acceleration
427
Manpower
434
Endless
440
Roof Trusses 4
448
Mesure and Nouels Pyrometer 46
454
Gold
455
Iron 16
461
Latent Heat of Evaporation 46
462
Conduction and Convection of Heat
468
PHYSICAL PROPERTIES OF GASES
479
Flow of Air in Pipes
487
Loss of Pressure in Pipes
493
ElectricFower from Windmills
499
Loss due to Excess of Pressure
502
Efficiency of Compressedair Engines
506
Best Proportions of Fans I
512
Table of Centrifugal Fans
519
Air Removed by Exhaust Wheel
525
Quantftyof Air Discharged throughaVentilating Duct I
531
Boiler Heatingsurface Required
538
Rules for Hotwater Heating
544
Btower System of Heating and Ventilating
545
Compressibility of Water
551
Magnesium 16
552
Flow in Open and Closed Channels
557
Bazins Formula
563
Table of Flow of Water in Circular Pipes 568673
573
Airbound Pipes 679
579
Flow through Rectangular Orifices
584
Value of Waterpower
591
Peat or Turf
643
r 16
644
Producergas from One Ton of Coal
649
Flow of Gas in Pipes
657
Regnaultg Experiments 66
668
Sizes of Steampipes for Marine Engines
674
Gratesurface
680
Tests of Tubulous Boilers
686
Table of Factors of Evaporation
695
Strength of Steamboilers
700
Rules for Construction of Boilers in Merchant Vessels in U S
706
The Hawley Downdraught Furnace
712
Removal of Hard Scale
718
Equation of the Injector
726
Force or Intensity of Draught
732
Stability of Chimneys
738
Mercury 16
749
Type3 of Threestage Expansion Engines
771
Sizes and Calculated Performances of Vertical Highspeed Engines
777
Steam Consumption of Engines with Superheated Steam
783
Preventing Vibrations of Engines
789
Steam Turbines
791
Diameter of Pistonrods
798
Crossheadpin or Wristpin
804
Length of Shaftbearings
810
The Eccentric
816
Strains in the Rims
822
Port Opening
828
Manganese Alloys
831
Pistonvalves
834
The Jet Condenser
839
Continuous Use of Condensing Water
847
Inertia and Resistance at Increasing Speeds
854
Formulas for Curves 85
859
Counterbalancing Locomotives
864
Horsepower Transmitted by Shafting 86
871
Proportions of Pulleys
873
Width of Belt for Given Horsepower
879
Evils of Tight Belts
885
Proportion of Gearwheels
891
Stepped Gears
897
Maximum Speed of Gearing
905
Efficiency of Chainblocks
907
Weight of Overhead Bins
912
Suspension Cableways and Cable Hoists
915
ROPE DRIVING
922
Coefficient of Friction 9
928
Laws of Friction of welllubricated Journals
934
Manganese Bronze 381
939
Mercurybath Pivot
940
THE FOUNDRY
946
Weight of Castings from eight of Pattern
952
Speed of Cutters
958
Abrasive Processes
965
Taper Bolts Pins Reamers etc c
973
The Alden Dynamometer 97
980
Performance of Ammonia Compressionmachines
987
Temperature Range
991
Cylinderheating
997
Size of Screw
1010
Pistonvalves
1016
Safe Distributed lxads on Southernpine Beams
1023
Laws of Electrical Resistance
1027
Nickel
1028
Heating of Coils
1033
Table of Electrical Horsepowers
1039
Description of Storagebatteries I
1048
Tractive or Lifting Force of a Magnet II
1054
Maximum Average and Effective Values
1061
Capacity of Conductors
1067
Weight of Copper Required in Different Systems
1074
Formula for Interpolation
1080
Efficiency of Worm Gearing
1086
Allovs of Bismuth 383
1095
Order of Malleability etc of Metals
1099
Weights of Various Roofcoverings 18
1118
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Página 20 - OF TIME. 60 Seconds = 1 Minute 60 Minutes = 1 Hour 24 Hours = 1 Day 7 Days = 1 Week 28 Days = 1 Lunar Month...
Página 2 - To change a mixed number to an Improper fraction.— Multiply the whole number by the denominator of the fraction; to the product add the numerator; place the sum over the denominator: 1% = 15/8.
Página 68 - In any plane triangle, the sum of any two sides is to their difference as the tangent of half the sum of the opposite angles is to the tangent of half their difference.
Página 34 - Divide the first term of the dividend by the first term of the divisor, and write the result as the first term of the quotient. Multiply the whole divisor by the first term of the quotient, and subtract the product from the dividend.
Página 691 - See that the boiler is thoroughly heated before the trial to its usual working temperature. If the boiler is new and of a form provided with a brick setting, it should be in regular use at least a week before the trial, so as to dry and heat the walls. If it has been laid off and become cold, it should be worked before the trial until the walls are well heated. VII. The boiler and connections should be proved to be free from leaks before beginning a test, and all water connections, including- blow...
Página 692 - The boiler being thoroughly heated by a preliminary run, the fires are to be burned low and well cleaned. Note the amount of coal left on the grate as nearly as it can be estimated; note the pressure of steam and the water level.
Página 479 - Avogadro's hypothesis that equal volumes of all gases under the same conditions of temperature and pressure contain the same number of molecules...
Página 694 - Calorific Tests and Analysis of Coal.— The quality of the fuel should be determined either by heat test or by analysis, or by both. The rational method of determining the total heat of combustion is to burn the sample of coal in an atmosphere of oxygen gas, the coal to be sampled as directed in Article XV. of this Code. The chemical analysis of the coal should be made only by an expert chemist. The total heat of combustion computed from the results of the ultimate analysis...
Página 692 - The water-level should be as nearly as possible the same as at the beginning of the test. If it is not the same, a correction should be made by computation, and not by operating pump after test is completed.
Página 398 - For the purposes of this specification, the yield point shall be determined by the careful observation of the drop of the beam or halt in the gauge of the testing machine.

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