Inventions Practice Tests
Inventions Online Tests
The Spark plugs Multiple Choice Questions (MCQ Quiz) with Answers PDF (Spark Plugs MCQ PDF e-Book) download to practice Inventions Tests. Learn Inventions and Inventors Multiple Choice Questions and Answers (MCQs), Spark Plugs quiz answers PDF for online elementary school classes. The Spark Plugs MCQ App Download: Free learning app for modern neuroscience, foot bag, post-it-note, a.c test prep for virtual online school.
The MCQ: Spark Plug was invented by; "Spark Plugs" App Download (Free) with answers: Sir Walter Wingfield; Sir Henry W. Seelay; Sir Schuyler Skaats Wheeler; Sir Oliver Lodge; for online elementary school classes. Solve Inventions and Inventors Quiz Questions, download Google eBook (Free Sample) for school certificate.
In which one of the following year, spark plug was patented?
Spark Plug was invented by
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