Shop MathematicsTaylor-Holden, 1910 - 219 σελίδες |
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Σελίδα 52
... slides on the other , and rolling friction when one body rolls on the other so that new surfaces are continually coming into contact . A wagon moving along a road illustrates rolling friction between the wheels and roadway , and sliding ...
... slides on the other , and rolling friction when one body rolls on the other so that new surfaces are continually coming into contact . A wagon moving along a road illustrates rolling friction between the wheels and roadway , and sliding ...
Σελίδα 53
... slide valve of a steam chest may weigh only 15 lbs . , but a steam pressure of 100 lbs . per sq . in . on the valve ... slide the valve on its seat . Example . If a block of granite weighs 6,000 lbs . and f = .1666 , what force will be ...
... slide valve of a steam chest may weigh only 15 lbs . , but a steam pressure of 100 lbs . per sq . in . on the valve ... slide the valve on its seat . Example . If a block of granite weighs 6,000 lbs . and f = .1666 , what force will be ...
Σελίδα 55
... slide on that plane is called the angle of friction . It can be demonstrated that ƒ is equal to the tan- gent of the angle of friction . FRICTION IN PULLEY BLOCKS Motion between two bodies in contact always produces friction , and in ...
... slide on that plane is called the angle of friction . It can be demonstrated that ƒ is equal to the tan- gent of the angle of friction . FRICTION IN PULLEY BLOCKS Motion between two bodies in contact always produces friction , and in ...
Σελίδα 57
... slide of itself . Thus in the above example it will require 150 lbs . - 38.97 lbs . = 111.03 lbs . to keep the weight from sliding . When the force acts parallel to the base of the incline , as P1 , Fig . 41 , as it does in screw ...
... slide of itself . Thus in the above example it will require 150 lbs . - 38.97 lbs . = 111.03 lbs . to keep the weight from sliding . When the force acts parallel to the base of the incline , as P1 , Fig . 41 , as it does in screw ...
Σελίδα 82
... slide along a shaft and yet have a positive rotation with the shaft . The key is usually fastened in the sliding piece , and is square in cross section outline d then t = b = 4 PROBLEMS 1. A 6 in . dia . shaft is to be coupled to a 5 in ...
... slide along a shaft and yet have a positive rotation with the shaft . The key is usually fastened in the sliding piece , and is square in cross section outline d then t = b = 4 PROBLEMS 1. A 6 in . dia . shaft is to be coupled to a 5 in ...
Άλλες εκδόσεις - Προβολή όλων
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.