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Difficulty: MediumTechnological Innovations of the First and Second Industrial Revolutions

"In the older system, power was distributed from a single large steam engine through a complex network of shafts, pulleys, and belts running throughout the factory. If one belt broke, or the main engine failed, the entire mill fell silent. With the introduction of the electric motor, however, each machine can be equipped with its own power source. This not only increases safety and cleanliness by eliminating the overhead forest of whirling belts, but it also allows individual machines to be run independently, greatly improving efficiency and factory layout."

—Adapted from an industrial trade journal report on manufacturing technology, circa 1895

The transition described in the passage most directly reflects which of the following developments in the history of industrialization?

  1. The shift from steam power to electricity as the primary driver of industrial machineryAnswer
  2. B
    The initial transition from water power to coal-powered steam engines in textile manufacturing
  3. C
    The widespread adoption of electric generators to power mechanized looms in the mid-eighteenth century
  4. D
    The development of steam-powered assembly lines to mass-produce electrical home appliances

Answer

The shift from steam power to electricity as the primary driver of industrial machinery
The correct answer is correct because the passage explicitly contrasts an older factory power distribution system (relying on a single steam engine driving a mechanical network of shafts and belts) with a newer system utilizing electric motors. The steam engine was a central innovation of the First Industrial Revolution, while electrification and the development of electric motors were defining technological achievements of the Second Industrial Revolution, leading to safer, cleaner, and more efficient factory designs in the late nineteenth and early twentieth centuries.

Step-by-Step Solution

1
Analyze the stimulus for key technological references and chronological markers.
The stimulus compares an older power system (a single steam engine running shafts and belts) with a newer power system (individual electric motors). The date 'circa 1895' places this in the late nineteenth century.
Identifying the technologies and their timing helps determine which phases of the Industrial Revolution are being contrasted.
2
Differentiate between First and Second Industrial Revolution technologies.
Steam power and coal-driven machinery are key innovations of the First Industrial Revolution (mid-18th to mid-19th century). Electricity, electrical grids, and electric motors are hallmarks of the Second Industrial Revolution (late 19th to early 20th century).
Understanding the division between these phases allows the student to identify the correct transition described in the text.
3
Evaluate the options against the identified transition.
The correct option must state the shift from steam to electricity. The option stating 'The shift from steam power to electricity as the primary driver of industrial machinery' perfectly matches the passage's contrast between steam engines and electric motors.
Selecting the option that accurately represents the technological evolution shown in the primary source.

Key Concept

Technological Innovations of the First and Second Industrial Revolutions
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Topics

Technological Innovations of the First and Second Industrial Revolutions

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