Shop MathematicsTaylor-Holden, 1910 - 219 σελίδες |
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Σελίδα vi
... valve 157 Hydraulics 160 Pressure and head 160 Archimedes discovery 161 Specific gravity 161 Hydraulic machines 163 Tables of Standard Units of Weights and Measures 169 The Metric System Table of Decimal Equivalents Use of Formulas ...
... valve 157 Hydraulics 160 Pressure and head 160 Archimedes discovery 161 Specific gravity 161 Hydraulic machines 163 Tables of Standard Units of Weights and Measures 169 The Metric System Table of Decimal Equivalents Use of Formulas ...
Σελίδα 53
... valve of a steam chest may weigh only 15 lbs . , but a steam pressure of 100 lbs . per sq . in . on the valve may bring a weight of 5,000 lbs . on the valve seat to resist the sliding of the valve , so that pressure and weight may thus ...
... valve of a steam chest may weigh only 15 lbs . , but a steam pressure of 100 lbs . per sq . in . on the valve may bring a weight of 5,000 lbs . on the valve seat to resist the sliding of the valve , so that pressure and weight may thus ...
Σελίδα 157
... VALVE The lever safety valve , Fig . 61 , is a lever of the third class , and calculations for lengths of arms and weights required for given boiler pressure are made ... valve connected to it will just SHOP MATHEMATICS 157 The safety valve.
... VALVE The lever safety valve , Fig . 61 , is a lever of the third class , and calculations for lengths of arms and weights required for given boiler pressure are made ... valve connected to it will just SHOP MATHEMATICS 157 The safety valve.
Σελίδα 158
... valve and lever in pounds . A = area of safety valve in square inches . a = distance between ball and fulcrum in inches . b = distance between center of valve and ful- crum in inches . P = pressure per square inch on steam gauge . The ...
... valve and lever in pounds . A = area of safety valve in square inches . a = distance between ball and fulcrum in inches . b = distance between center of valve and ful- crum in inches . P = pressure per square inch on steam gauge . The ...
Σελίδα 159
... valve and lever weigh 20 lbs . , steam gauge registers 80 lbs . , and centre of valve is 3 in . from fulcrum ? 3. What is the dia . of a cast iron ball for safety valve , when the center of gravity is 12 in . from fulcrum , lever and ...
... valve and lever weigh 20 lbs . , steam gauge registers 80 lbs . , and centre of valve is 3 in . from fulcrum ? 3. What is the dia . of a cast iron ball for safety valve , when the center of gravity is 12 in . from fulcrum , lever and ...
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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.