Inventions Who invented Bifocal Lens? Thomas Alva Edison Benjamin Franklin Alfred B. Nobel Rudolf Diesel Thomas Alva Edison Benjamin Franklin Alfred B. Nobel Rudolf Diesel 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 John Christopher Baxter Joseph Cyril Bamford Jack Croxford Baker John Christopher Ballantyne John Christopher Baxter Joseph Cyril Bamford ANSWER DOWNLOAD EXAMIANS APP
Inventions What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes? Giuseppe Mercalli Joshua Rumble Hiram Walker Charles Richter Giuseppe Mercalli Joshua Rumble Hiram Walker Charles Richter ANSWER DOWNLOAD EXAMIANS APP
Inventions What now-ubiquitous device was invented by Zenith engineer Eugene Polley in 1955? VCR Calculator Remote control Microwave oven VCR Calculator Remote control Microwave oven ANSWER DOWNLOAD EXAMIANS APP
Inventions What drink was invented by Charles Leiper Grigg in 1929? Hawaiian Punch 7-Up Pepsi Yoo-Hoo Hawaiian Punch 7-Up Pepsi Yoo-Hoo ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the game Frisbee invented? 1900s 1890s 1920s 1870s 1900s 1890s 1920s 1870s ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS