Question

who was responsible for inventing the first working four-stroke engine?
○ michael faraday
○ nikola tesla
○ henry ford
○ nikolaus otto

Explanation:

To solve this, we analyze each option:

• Michael Faraday is known for electromagnetic induction, not engine invention.
• Nikola Tesla contributed to AC electricity and related tech, not four - stroke engines.
• Henry Ford revolutionized automobile manufacturing (assembly line), not the four - stroke engine invention.
• Nikolaus Otto is credited with inventing the first working four - stroke engine (Otto cycle).

Answer:

D. Nikolaus Otto