Answer :
I think that the Steam Engine was the device that James Watt invented
Steam engine invented by James Watt, powered all kinds of machines in the Industrial Revolution.
What is steam engine?
A steam engine is a heat engine that uses steam as its working fluid to carry out mechanical work. The steam engine moves a piston back and forth inside a cylinder using the force created by the pressure of the steam. A connecting rod and crank can convert this pushing force into a rotational force for work. The steam turbine is not typically referred to as a "steam engine," only reciprocating engines like the one just described are. The working fluid and combustion products are separated in external combustion engines like steam engines. The Rankine cycle is the ideal thermodynamic cycle used to study this phenomenon.
How did steam engine contributed in industrial revolution?
The new machines were powered by steam engines. River water was used to move the wheels that powered machinery before steam engines. Machines might be created anywhere with steam engines. Without having to worry about the less frequent presence of waterways, people were able to work, live, produce, market, specialise, and expand profitably thanks to steam engines. Now, villages and cities were constructed around factories, where many people relied on steam engines for their daily needs.
Who is James watt?
James Watt was a Scottish mechanical engineer, inventor, and chemist who lived from 30 January 1736 to 25 August 1819. In 1776, Watt created the Watt steam engine, which was a key component of the Industrial Revolution in both his native Great Britain and the rest of the world.
Watt developed an interest in steam engine technology while working as an instrument maker at the University of Glasgow. He realised that modern engine designs frequently cooled and reheated the cylinder, wasting a significant amount of energy. The separate condenser, a design improvement made by Watt, prevented this energy wastage and significantly increased the power, efficacy, and affordability of steam engines.
Supporting answer
Hence option D is correct answer
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