Shop MathematicsTaylor-Holden, 1910 - 219 σελίδες |
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Σελίδα 5
... amperage as follows : 1 at 144 , 1 at 110 , 1 at 80 , 3 at 76 , 1 at 57 and 2 at 20 amperes . What H. P. will be required to run the above equipment ? MECHANICAL POWERS An appliance by which force can be used SHOP MATHEMATICS 5.
... amperage as follows : 1 at 144 , 1 at 110 , 1 at 80 , 3 at 76 , 1 at 57 and 2 at 20 amperes . What H. P. will be required to run the above equipment ? MECHANICAL POWERS An appliance by which force can be used SHOP MATHEMATICS 5.
Σελίδα 6
... follows : 1 . Lever . 2 . Wheel and Axle . 3. Pulley . 4. Inclined plane . 5. Screw . 6. Wedge . The mechanical advantage of all kinds of machines , whether simple or compound , may be computed in accordance with the following GENERAL ...
... follows : 1 . Lever . 2 . Wheel and Axle . 3. Pulley . 4. Inclined plane . 5. Screw . 6. Wedge . The mechanical advantage of all kinds of machines , whether simple or compound , may be computed in accordance with the following GENERAL ...
Σελίδα 12
... follows : WXrXr1XT2 . . . . P = RXRXR2 .. Where R , R1 , R2 , are the radii of the wheels and r , r1 , 72 , are the radii of the axles . These problems may also be calculated by the following : RULE FOR DRIVERS AND FOLLOWERS . The speed ...
... follows : WXrXr1XT2 . . . . P = RXRXR2 .. Where R , R1 , R2 , are the radii of the wheels and r , r1 , 72 , are the radii of the axles . These problems may also be calculated by the following : RULE FOR DRIVERS AND FOLLOWERS . The speed ...
Σελίδα 16
... follows : R - r PXR = Wx : 2 R - r WX 2 P = Ꭱ W = PXR R - r 2 MISCELLANEOUS PROBLEMS In the following problems the weight of the lever and friction of the bearings will not be considered in the cal- culations . 1. What force 36 in ...
... follows : R - r PXR = Wx : 2 R - r WX 2 P = Ꭱ W = PXR R - r 2 MISCELLANEOUS PROBLEMS In the following problems the weight of the lever and friction of the bearings will not be considered in the cal- culations . 1. What force 36 in ...
Σελίδα 29
... follows : Fig . 27 shows outline of the sharp , or V thread . The depth A of a thread of 1 inch pitch is found by trigonometry and is equal to .8660 inch . If then the thread is taken on both sides of a cylinder the double depth for 1 ...
... follows : Fig . 27 shows outline of the sharp , or V thread . The depth A of a thread of 1 inch pitch is found by trigonometry and is equal to .8660 inch . If then the thread is taken on both sides of a cylinder the double depth for 1 ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
24 teeth angle back gears balls bearings 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.