Shop MathematicsTaylor-Holden, 1910 - 219 σελίδες |
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Σελίδα 23
... incline AD , then the force acts through W L H B C Fig.21 . the distance AD while the weight is lifted only the distance CD ; and the statement becomes or P : W CD : AD = P : W = height of plane : length of plane , from which are ...
... incline AD , then the force acts through W L H B C Fig.21 . the distance AD while the weight is lifted only the distance CD ; and the statement becomes or P : W CD : AD = P : W = height of plane : length of plane , from which are ...
Σελίδα 24
... incline of 1 foot in 20 feet ? By formula : Solution . P = = L 20 WXH 1200 × 1 60. Then 60 + 500 = 560 lbs . V. THE SCREW The screw is an inclined plane wrapped or wound around a cylinder . If the incline is long in comparison with the ...
... incline of 1 foot in 20 feet ? By formula : Solution . P = = L 20 WXH 1200 × 1 60. Then 60 + 500 = 560 lbs . V. THE SCREW The screw is an inclined plane wrapped or wound around a cylinder . If the incline is long in comparison with the ...
Σελίδα 26
... incline . ↑ T _L Fig.25 . Example . A sliding wedge , T Fig . 24 , has a L pressure of 100 lbs . , the width of Fig 24 back end is 4 in . , the length is 20 in . What weight can be raised by its use ? Solution . By formula : PXL 100 ...
... incline . ↑ T _L Fig.25 . Example . A sliding wedge , T Fig . 24 , has a L pressure of 100 lbs . , the width of Fig 24 back end is 4 in . , the length is 20 in . What weight can be raised by its use ? Solution . By formula : PXL 100 ...
Σελίδα 27
... incline , is required to hold the ball in position ? 2. A weight of 3,500 lbs . is to be drawn up an incline 640 ft . long , 85 ft . above the horizontal . What force acting parallel to incline will be required to keep the load on incline ...
... incline , is required to hold the ball in position ? 2. A weight of 3,500 lbs . is to be drawn up an incline 640 ft . long , 85 ft . above the horizontal . What force acting parallel to incline will be required to keep the load on incline ...
Σελίδα 28
... incline ? 9. What weight can be drawn up an incline 10 ft . long and 4 ft . high with a pull of 300 lbs . ? 10. Two men each pulling 125 lbs . can pull what weight up an incline 8 ft . long and 6 ft . high ? 11. What force will be ...
... incline ? 9. What weight can be drawn up an incline 10 ft . long and 4 ft . high with a pull of 300 lbs . ? 10. Two men each pulling 125 lbs . can pull what weight up an incline 8 ft . long and 6 ft . high ? 11. What force will be ...
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24 teeth amperes angle back gears balls cast iron change gears circular pitch circumference compound gearing cone pulley Cosecants Cosines countershaft cutter cylinder depth of cut diameter disc divisions double belt drill drive pulley driving spindle engine Example factor of safety feet Find the H. P. Find the indexing fly wheel force formula friction ft.-lbs fulcrum heating surface helical gear horse power inclined plane index head index plate indexing required lathe center lathe spindle lead screw length lever line shaft main line measure mesh milling cutter milling machine minute motion move multiplied number of teeth piston pounds pressure problem pull pump required to run rope screw thread sheave single belt slide Solution speed spiral gears sprocket square inch steam steel strain stroke stud gear thimble thread screw tooth transmit TRIGONOMETRICAL FUNCTIONS tubes turn valve velocity ratio windlass
Δημοφιλή αποσπάσματα
Σελίδα 171 - OF TIME. 60 Seconds = 1 Minute 60 Minutes = 1 Hour 24 Hours = 1 Day 7 Days = 1 Week 28 Days = 1 Lunar Month...
Σελίδα 174 - 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.) MEASURES OF WEIGHT 10 milligrams (mg.) = 1 centigram (eg.) 10 centigrams = 1 decigram (dg.) 10 decigrams = 1 gram (g.) 10 grams = 1 dekagram (Dg.) 10 dekagrams = 1 hektogram (hg.) 10 hektograms = 1 kilogram (kg.) 18.
Σελίδα 169 - Square Measure. 144 square inches 1 square foot, 9 square feet 1 square yard, 30J square yards 1 square rod, 40 square rods 1 rood, 4 roods 1 acre.
Σελίδα 173 - 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 hektometer (Hm.) 10 hektometers = 1 kilometer (Km.) 10 kilometers = 1 myriameter (Mm.) Measures of Surface 100 sq.
Σελίδα 170 - Liquid Measure. — 4 gills = 1 pint; 2 pints = 1 quart; 4 quarts = 1 gallon; 31| gallons = 1 barrel; 2 barrels = 1 hogshead.
Σελίδα 171 - NUMBERS. 12 units = 1 dozen. 12 dozen — 1 gross. 12 gross = 1 great gross. 20 units = 1 score. PAPER. 24 sheets = 1 quire. 20 quires = 1 ream. 2 reams = 1 bundle. 5 bundles = 1 bale.
Σελίδα 170 - Measure 1,728 cubic inches = 1 cubic foot 27 cubic feet = 1 cubic yard 128 cubic feet = 1 cord (A cord of wood = 4...
Σελίδα 171 - MONEY. 10 mills = 1 cent. 10 cents = 1 dime. 10 dimes = 1 dollar. 10 dollars = 1 eagle.
Σελίδα 182 - That is, the exponent of a letter in the quotient is equal to its exponent in the dividend minus its exponent in the divisor. am For example, — = a"-*, a
Σελίδα 173 - Such an electromotive force as would cause a current of one ampere to flow through a resistance of one ohm.