What was the main competitor to Otto's engine?
Steam engine
Electric engine
Diesel engine
Rotary engine
Answer
Steam engines were the primary competitors to Otto's internal combustion engine. Steam engines had been widely used for decades in industrial applications, such as powering factories and locomotives. They were reliable and relatively efficient, but they were also bulky, heavy, and required a constant supply of water and fuel.
Nicolaus Otto Mind Meld: 30 Questions to Test Your Mental Fusion
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