USA HISTORY

WESTWARD EXPANSION INDUSTRIALIZATION URBANIZATION 1870 1900

AMERICAN INDUSTRY DEVELOPMENT IN THE GILDED AGE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A new way of making steel that greatly increased the quantity and quality of steel produced at the beginning of the 20th century.
A
Bessemer Process
B
Interchangeable Parts
C
Vulcanization
D
Lost Wax Method
Explanation: 

Detailed explanation-1: -The Bessemer process was the first inexpensive industrial process for the mass production of steel from molten pig iron before the development of the open hearth furnace. The key principle is removal of impurities from the iron by oxidation with air being blown through the molten iron.

Detailed explanation-2: -Bessemer process, the first method discovered for mass-producing steel. Though named after Sir Henry Bessemer of England, the process evolved from the contributions of many investigators before it could be used on a broad commercial basis.

Detailed explanation-3: -Blister steel-one of the earliest forms of steel-began production in Germany and England in the 17th century and was produced by increasing the carbon content in molten pig iron using a process known as cementation. In this process, bars of wrought iron were layered with powdered charcoal in stone boxes and heated.

Detailed explanation-4: -noun. Bes·se·mer process ˈbe-sə-mər-: a process of making steel from pig iron by burning out carbon and other impurities by means of a blast of air forced through the molten metal.

Detailed explanation-5: -British inventor Henry Bessemer’s creation of the Bessemer converter was a major advancement for steel making. Prior to his work, steel was scarce, made through a costly and arduous process. His technique prompted a revolution in manufacturing.

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