A hand book of general instruction for mechanics, containing useful rules and memoranda for practical men (1907)
Smith, Franklin Elijah, 1872- · New York, D. Van Nostrand company · leaf 260
con, which, divided by 1728, gives the weight of a cubicinch,.285. Example. A circular brass plate is 6 feet 5 inches indiameter, 4 inches thick, and has five 4-inch holes in it.(Fig. 59.) What will it weigh? 5512.565 lb. Ans.77 X 77 X .7854 X 4 = 18626.5464 area of whole plate in cubic inches.4 X… … Fig. 59 Specific gravity of brass equals 8.384.Then brass per cubic foot equals 8.384 X 62.5 = 524 lb.Hence the weight per cubic inch is 524 -v- 1728 = .3 lb.Then the weight of 18375.2184 cubic inches is 18375.2184 X .3 = 5512.565 lb. Arts. Example. What is the weight of a brass cylinderwhose…
Mechanics · Arithmetic · Measurement
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