Shop MathematicsTaylor-Holden, 1910 - 219 σελίδες |
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Σελίδα 11
... crank is substituted for the wheel . It is used especially where the power is applied by hand . The differential windlass , Fig . 10 , is a device for increasing the mechanical advantage of the axle by unwinding rope from a small axle ...
... crank is substituted for the wheel . It is used especially where the power is applied by hand . The differential windlass , Fig . 10 , is a device for increasing the mechanical advantage of the axle by unwinding rope from a small axle ...
Σελίδα 19
... crank what weight will be raised ? 16. Six men each exert a force of 125 lbs . on the ends of 3 ft . capstan bars ... crank of a differential windlass is 30 in . long and the force applied at the end of the crank is 75 lbs . When the ...
... crank what weight will be raised ? 16. Six men each exert a force of 125 lbs . on the ends of 3 ft . capstan bars ... crank of a differential windlass is 30 in . long and the force applied at the end of the crank is 75 lbs . When the ...
Σελίδα 20
... crank is required when a force of 120 lbs . is to be used on end ? 24. A windlass is to raise 1200 lbs . with a 24 in . crank . If a force of 120 lbs . is applied at the end of crank , what is the dia . of the axle required ? 25. If a ...
... crank is required when a force of 120 lbs . is to be used on end ? 24. A windlass is to raise 1200 lbs . with a 24 in . crank . If a force of 120 lbs . is applied at the end of crank , what is the dia . of the axle required ? 25. If a ...
Σελίδα 21
... crank is the same as would be produced by one revolution of a wheel whose diameter in inches is equal to the " gear . " 39. What is the " gear " with 17 teeth in front , 8 teeth in rear sprocket , with 30 in . dia . of wheel ? 40. What ...
... crank is the same as would be produced by one revolution of a wheel whose diameter in inches is equal to the " gear . " 39. What is the " gear " with 17 teeth in front , 8 teeth in rear sprocket , with 30 in . dia . of wheel ? 40. What ...
Σελίδα 36
... wheel , W , Fig . 32 , is 6 in . dia . and is to run 5,500 F. P. M. What is the R. P. M. of crank C when A has 200 teeth , B 20 teeth , D 15 teeth , and E 250 teeth ? 32. How many R. P. M. of W. in problem 36 SHOP MATHEMATICS.
... wheel , W , Fig . 32 , is 6 in . dia . and is to run 5,500 F. P. M. What is the R. P. M. of crank C when A has 200 teeth , B 20 teeth , D 15 teeth , and E 250 teeth ? 32. How many R. P. M. of W. in problem 36 SHOP MATHEMATICS.
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Συχνά εμφανιζόμενοι όροι και φράσεις
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.