Inventions Who invented Bifocal Lens? Thomas Alva Edison Alfred B. Nobel Benjamin Franklin Rudolf Diesel Thomas Alva Edison Alfred B. Nobel Benjamin Franklin Rudolf Diesel ANSWER DOWNLOAD EXAMIANS APP
Inventions What Elisha Otis invented? Jet Engine Hydraulic Crane Turbine The brake used in modern elevators Jet Engine Hydraulic Crane Turbine The brake used in modern elevators ANSWER DOWNLOAD EXAMIANS APP
Inventions Who is the English physicist responsible for the 'Big Bang Theory'? Michael Skube Albert Einstein Roger Penrose George Gamow Michael Skube Albert Einstein Roger Penrose George Gamow ANSWER DOWNLOAD EXAMIANS APP
Inventions What Thomas Davenport invented? Sleeping (railway) car Chesterfield Screw propellor Electric streetcar Sleeping (railway) car Chesterfield Screw propellor Electric streetcar ANSWER DOWNLOAD EXAMIANS APP
Inventions What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent? Electricity Early Warning Telephone Television Electricity Early Warning Telephone Television ANSWER DOWNLOAD EXAMIANS APP
Inventions Who among the following invented the small pox vaccine? Edward Jenner Louis Pasteur Robert Koch Robert Hooke Edward Jenner Louis Pasteur Robert Koch Robert Hooke ANSWER DOWNLOAD EXAMIANS APP