Inventions Which of the following was first patented by an Australian in 1889? Electric Heater Electric Shaver Electric Fence Electric Drill Electric Heater Electric Shaver Electric Fence Electric Drill ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bicycle? Leo H Baekeland Karl Benz Kirkpatrick Macmillan Evangelista Torricelli Leo H Baekeland Karl Benz Kirkpatrick Macmillan Evangelista Torricelli ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the first solid state integrated circuit demonstrated? 1950s 1970s 1960s 1980s 1950s 1970s 1960s 1980s ANSWER DOWNLOAD EXAMIANS APP
Inventions What Frank Whittle invented? Sonar Radar Jet propulsion Ethyl gasoline Sonar Radar Jet propulsion Ethyl gasoline ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Jet Engine? Lewis E. Waterman Roger Bacon Sir Frank Whittle Gottlieb Daimler Lewis E. Waterman Roger Bacon Sir Frank Whittle Gottlieb Daimler ANSWER DOWNLOAD EXAMIANS APP
Inventions What inspired reflecting road lights to be invented? Sun light on steel posts on road sides The sun light on the windshield The light a cat's eyes gave off on a fence Car door reflecting mirrors Sun light on steel posts on road sides The sun light on the windshield The light a cat's eyes gave off on a fence Car door reflecting mirrors ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS