Inventions What Elisha Otis invented? Turbine The brake used in modern elevators Hydraulic Crane Jet Engine Turbine The brake used in modern elevators Hydraulic Crane Jet Engine ANSWER DOWNLOAD EXAMIANS APP
Inventions Who was the first American female to patent her invention, a method of weaving straw with silk? Mary Kies Amanda Jones Margaret Knight Marjorie Joyner Mary Kies Amanda Jones Margaret Knight Marjorie Joyner ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade were the first successful diode and triode vacuum tubes invented? 1900s 1890s 1880s 1800s 1900s 1890s 1880s 1800s ANSWER DOWNLOAD EXAMIANS APP
Inventions What Frank Whittle invented? Radar Ethyl gasoline Jet propulsion Sonar Radar Ethyl gasoline Jet propulsion Sonar ANSWER DOWNLOAD EXAMIANS APP
Inventions Which of the following was first patented by an Australian in 1889? Electric Drill Electric Fence Electric Shaver Electric Heater Electric Drill Electric Fence Electric Shaver Electric Heater ANSWER DOWNLOAD EXAMIANS APP
Inventions This part-time race car driver invented the bucket seat in 1969. Who was he?? Paul Newman Harrison Frazier Steve McQueen John Wayne Paul Newman Harrison Frazier Steve McQueen John Wayne ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS