Industrial Age trivia
More Industrial Age Trivia
Industrial Age Mini Quiz
Test your knowledge with these top questions!
The oxygen used in the Bessemer process reacts with unwanted elements to form what?
The blown oxygen bonds with impurities like silicon and manganese to create solid oxides. These lighter compounds float to the top of the molten metal as removable slag.
What did the Bessemer process, invented in the 1850s, dramatically speed up?
The process cut steel-making time from about a day to about 20 minutes, which sent prices tumbling.
The Bessemer process replaced which older, slower method for making steel?
Puddling iron required workers to stir molten iron by hand, a slow, hot job that produced small batches.
A massive flame erupts from a Bessemer converter to indicate the burning of what gas?
The oxidation of carbon inside the iron produces carbon monoxide, which ignites upon hitting outside air. Operators judge the flame's changing color to know when to stop.
Which major construction boom did the Bessemer process directly enable?
Before it, steel was too costly for large frames; after it, steel beams made tall buildings and long bridges practical.
The Bessemer process transforms brittle pig iron into stronger steel by doing what?
Pig iron typically contains around 4% carbon, making it too brittle for structural use. The process burns this away, reducing carbon to under 2% to create durable steel.
Blowing unheated air through molten iron in the Bessemer process causes what surprising effect?
Oxygen in the blown air reacts with impurities like silicon and carbon in a highly exothermic reaction, releasing enough energy to actually raise the metal's temperature.
How does the Bessemer process remove impurities from molten iron?
Blowing air through the liquid iron burns out carbon and other impurities, leaving melted steel behind.