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Difficulty: EasyTechnological Innovations of the First and Second Industrial Revolutions

"We have now got our steam engine at work, and it is a very noble machine. It operates with a power and regularity that exceeds our expectations. By applying this new force to our machinery, we are no longer dependent on the seasonal flow of rivers to turn our mills."

—Letter from an English factory owner to a business partner, 1785

The technology described in the passage best illustrates the transition during the First Industrial Revolution toward using which of the following innovations?

  1. Steam engines fueled by coalAnswer
  2. B
    Electrical grids powered by dynamos
  3. C
    Internal combustion engines running on petroleum
  4. D
    Synthetic chemical fertilizers

Answer

Steam engines fueled by coal
The correct answer is steam engines fueled by coal. The letter, dated 1785, describes the early use of steam engines to power industrial mills. During the First Industrial Revolution, the invention and improvement of the steam engine (fueled by coal) allowed factories to move away from rivers and operate continuously, which is exactly what the writer describes. This distinguishes it from later energy sources.

Step-by-Step Solution

1
Analyze the stimulus to identify the described technology and its historical context.
The stimulus is a letter from 1785 describing the adoption of a steam engine to power a factory, replacing reliance on the flow of rivers.
This establishes that the question is testing the primary energy sources and technologies of the First Industrial Revolution.
2
Distinguish between the key technologies of the First Industrial Revolution and the Second Industrial Revolution.
The First Industrial Revolution (mid-18th to mid-19th century) relied on coal and steam power, while the Second Industrial Revolution (late 19th to early 20th century) introduced electricity, steel, chemicals, and petroleum.
This allows the student to identify which technology matches the 1785 context of steam engines.
3
Select the correct option that corresponds to the First Industrial Revolution technology.
Steam engines fueled by coal is the correct option, as coal was the primary fuel used to generate steam power in this period.
The other options (electricity, internal combustion, synthetic chemicals) are later developments of the Second Industrial Revolution.

Key Concept

Technological innovations of the First Industrial Revolution (coal and steam power) compared to the Second Industrial Revolution
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Topics

Technological Innovations of the First and Second Industrial Revolutions

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