alleryJames Watt's improvement of the steam engine was patented in:
A1671
B1771
C1781
D1881
Answer & Solution
Correct answer: C. 1781
1. syllabus discusses key inventions of the Industrial Revolution.
2. James Watt improved the steam engine produced by Newcomen and patented it in 1781.
3. Steam power became the prime mover for railways, factories and mines.
_Source: syllabus History India and the Contemporary World - II, Ch 4 "The Age of Industrialisation", §Steam Engine ¶1_
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