Machine-shop Handbook: A Handbook of Reference on Machine-shop Practice for Those Interested in the Work of the Machine Operator, Machinist, Toolmaker, and the General MechanicInternational Textbook Company, 1924 - 346 σελίδες |
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Σελίδα 8
... result by 100 . EXAMPLE . - A certain alloy contains 144 lb. of copper , 27 lb. of tin , and 9 lb. of zinc . Find ( a ) the per cent . of copper , ( b ) the per cent . of tin , and ( c ) the per cent . of zinc in the allpy . SOLUTION ...
... result by 100 . EXAMPLE . - A certain alloy contains 144 lb. of copper , 27 lb. of tin , and 9 lb. of zinc . Find ( a ) the per cent . of copper , ( b ) the per cent . of tin , and ( c ) the per cent . of zinc in the allpy . SOLUTION ...
Σελίδα 14
... result from the dividend . ( If this result is larger than the dividend , a smaller number must be tried for the second figure of the root . ) Add the second figure of the root to the complete divisor . Annex a cipher for a new trial ...
... result from the dividend . ( If this result is larger than the dividend , a smaller number must be tried for the second figure of the root . ) Add the second figure of the root to the complete divisor . Annex a cipher for a new trial ...
Σελίδα 15
... result under the first period , as shown at ( b ) . Subtract and obtain 6 as a remainder . Add the root already found to the 5 at ( a ) , getting 10 , and annex a cipher to this 10 , thus making it 100 , as shown at ( d ) , which is the ...
... result under the first period , as shown at ( b ) . Subtract and obtain 6 as a remainder . Add the root already found to the 5 at ( a ) , getting 10 , and annex a cipher to this 10 , thus making it 100 , as shown at ( d ) , which is the ...
Σελίδα 16
... result is 1121. As there is no remainder , √314,721-561 , which is the side of the square . When there is no remainder , as in this case , the number whose root is found is said to be a perfect power . EXAMPLE 2. - What is the square ...
... result is 1121. As there is no remainder , √314,721-561 , which is the side of the square . When there is no remainder , as in this case , the number whose root is found is said to be a perfect power . EXAMPLE 2. - What is the square ...
Σελίδα 33
... result is 1.68 , or , say , 1.7 . The tangent is found in the same way as the sine . To find the cosine of an angle : As the angle increases , the value of the cosine decreases , so that , instead of adding the values corresponding to 6 ...
... result is 1.68 , or , say , 1.7 . The tangent is found in the same way as the sine . To find the cosine of an angle : As the angle increases , the value of the cosine decreases , so that , instead of adding the values corresponding to 6 ...
Συχνά εμφανιζόμενοι όροι και φράσεις
acid allow alloys aluminum angle applied Area bearings belt brass bushing calipers cast iron castings cent circle circular clean column contains copper corresponding cutters Depth desired Diam diameter difference distance divide divisions drill edges equal face feet figure finishing foot gauge gear give given grinding hand hard hardened head heat held holes Inches Inches Inches iron known lathe lead length machine measured metal Minute moved multiply number of teeth obtained operation piece pipe pitch placed plate Pounds produce pulley reading removed result root roughing round rule scale screw shaft shank shown in Fig shows side sizes soft solution speed spindle square standard steel surface taper Thickness thread threads per inch tool turned usually weight wheel zinc
Δημοφιλή αποσπάσματα
Σελίδα xxv - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30| square yards — 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Σελίδα 7 - 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 hectometer (Hm.) 10 hectometers 1 kilometer (Km.) 10 kilometers 1 myriameter (Mm.) 1181.
Σελίδα 1 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24...
Σελίδα xxvi - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Σελίδα 7 - Measures 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 NOTE — The liter is equal to the volume occupied by 1 cubic decimeter.
Σελίδα 174 - Fig 1 Fig 2 Fig 3 Fig 4 Fig 5 Fig 6 Fig 7 Fig 8 Fig 9...
Σελίδα 339 - What are you doing with the hours after supper? Can you afford to let them slip by unimproved when you can easily make them mean so much? One hour a day spent with the ICS will prepare you for the position you want in the work you like best. Yes, it will! Put it up to us to prove it. Mark and mall this coupon now!
Σελίδα 7 - These prefixes form the key to the entire system. In the following tables, the abbreviations of the principal units of these submultiples begin with a small letter, while those of the multiples begin with a capital letter; they should always be written as here printed.
Σελίδα xxvi - Apothecaries' Weight 20 grains (gr.) = 1 scruple (sc.) 3 scruples = 1 dram (dr.) 8 drams = 1 ounce (oz.) 12 ounces = 1 pound (Ib...
Σελίδα 339 - Every hour I spent on my ICS Course has been worth $95 to me! My position, my $5,000 a year income, my home, my family's happiness — I owe it all to my spare time training with the International Correspondence Schools!