Inventions What J. B. Dunlop invented? Automobile wheel rim Rubber boot Pneumatic rubber tire Model airplanes Automobile wheel rim Rubber boot Pneumatic rubber tire Model airplanes ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade were the first successful diode and triode vacuum tubes invented? 1880s 1900s 1890s 1800s 1880s 1900s 1890s 1800s ANSWER DOWNLOAD EXAMIANS APP
Inventions For what does the world owe Almon Strowger a debt of gratitude? Parking Meters Traffic Lights Automatic Telephone Exchanges Vending Machines Parking Meters Traffic Lights Automatic Telephone Exchanges Vending Machines ANSWER DOWNLOAD EXAMIANS APP
Inventions What 'game' was first produced by the Southern Novelty Company in Baltimore, Maryland in 1892? Monopoly Ping Pong Frisbee Ouija board Monopoly Ping Pong Frisbee Ouija board ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the transistor invented? 1960s 1980s 1940s 1950s 1960s 1980s 1940s 1950s ANSWER DOWNLOAD EXAMIANS APP
Inventions The initials JCB on earth-moving equipment are those of the founder of the company that makes it. What is his name? Jack Croxford Baker John Christopher Ballantyne Joseph Cyril Bamford John Christopher Baxter Jack Croxford Baker John Christopher Ballantyne Joseph Cyril Bamford John Christopher Baxter ANSWER DOWNLOAD EXAMIANS APP
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