HISTORY
THE INDUSTRIAL REVOLUTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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to make tractors.
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to make roads.
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to make railroads.
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to make airplanes.
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Detailed explanation-1: -Carbon steel Most modern railway tracks are made of hot rolled steel with a grade of 1084 or higher. This is a medium carbon steel, made by rolling rail steel with natural iron ore.
Detailed explanation-2: -Freight railroads transport raw materials such as crushed stone, limestone, sand, gravel and gypsum from quarries or suppliers to cement and ready-mix concrete plants where cement and clay products materials such as brick and concrete are produced.
Detailed explanation-3: -Manganese steel is used for making railways because.
Detailed explanation-4: -Additionally, steel products reduce the wear of other track components, most notably switch points and frogs. Steel ties provide sturdy, reliable support and can endure the rigors of everyday track use. Steel turnouts also maximize rail safety by holding gauge over the life of a turnout.