Shop MathematicsTaylor-Holden, 1910 - 219 σελίδες |
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Σελίδα vi
... Boilers 149 The H. P. of boilers 150 To find heating surface of shell and tubes 151 To find water capacity 152 To find steam capacity 153 To find pressure carried on stay bolts 153 To find the bursting strength 154 The safety valve 157 ...
... Boilers 149 The H. P. of boilers 150 To find heating surface of shell and tubes 151 To find water capacity 152 To find steam capacity 153 To find pressure carried on stay bolts 153 To find the bursting strength 154 The safety valve 157 ...
Σελίδα 141
... boiler . Since the area of the piston equals the square of the diameter X.7854 , then by dividing .7854 by 33,000 , H. P. = D3 × P × TX.0000238 . There are many formulas given for finding the H. P. of the steam engine , but all are ...
... boiler . Since the area of the piston equals the square of the diameter X.7854 , then by dividing .7854 by 33,000 , H. P. = D3 × P × TX.0000238 . There are many formulas given for finding the H. P. of the steam engine , but all are ...
Σελίδα 144
... boiler gauge pressure , D2XM . E. P.XS W The tractive power is found to be equal to the load that the locomotive can lift from a pit by means of a rope over a pulley from the circumference of the drive wheel . PROBLEMS 11. What is the ...
... boiler gauge pressure , D2XM . E. P.XS W The tractive power is found to be equal to the load that the locomotive can lift from a pit by means of a rope over a pulley from the circumference of the drive wheel . PROBLEMS 11. What is the ...
Σελίδα 148
... boiler pressure is 200 lbs . , M. E. P. taken at 50 % of boiler pressure , as shown by the steam gauge ? 26. The same as problem 25 except boiler pressure is 175 lbs . and M. E. P. taken at 60 % . 27. What size cylinder will be required ...
... boiler pressure is 200 lbs . , M. E. P. taken at 50 % of boiler pressure , as shown by the steam gauge ? 26. The same as problem 25 except boiler pressure is 175 lbs . and M. E. P. taken at 60 % . 27. What size cylinder will be required ...
Σελίδα 149
... BOILER The unit of H. P. for the steam boiler is derived from the number of pounds of water evaporated or converted into steam in one hour . The American Society of Mechanical Engineers gives the following rule which has been adopted as ...
... BOILER The unit of H. P. for the steam boiler is derived from the number of pounds of water evaporated or converted into steam in one hour . The American Society of Mechanical Engineers gives the following rule which has been adopted as ...
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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.