Inventions Who among the following invented the small pox vaccine? Louis Pasteur Robert Koch Edward Jenner Robert Hooke Louis Pasteur Robert Koch Edward Jenner Robert Hooke ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first lawn mower invented? 1830 1854 1835 1849 1830 1854 1835 1849 ANSWER DOWNLOAD EXAMIANS APP
Inventions The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Project? Robert Oppenheimer Leslie R. Groves James B. Conant Vannevar Bush Robert Oppenheimer Leslie R. Groves James B. Conant Vannevar Bush ANSWER DOWNLOAD EXAMIANS APP
Inventions What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869? Washing machine Electric mixer Vacuum cleaner Blender Washing machine Electric mixer Vacuum cleaner Blender ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade were the first successful diode and triode vacuum tubes invented? 1890s 1900s 1800s 1880s 1890s 1900s 1800s 1880s ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the AEEE (now the IEEE) founded? 1930s 1850s 1880s 1950s 1930s 1850s 1880s 1950s ANSWER DOWNLOAD EXAMIANS APP
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