Inventions What Elisha Otis invented? Hydraulic Crane The brake used in modern elevators Jet Engine Turbine Hydraulic Crane The brake used in modern elevators Jet Engine Turbine ANSWER DOWNLOAD EXAMIANS APP
Inventions Who among the following invented the small pox vaccine? Robert Koch Louis Pasteur Robert Hooke Edward Jenner Robert Koch Louis Pasteur Robert Hooke Edward Jenner 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 When were bar code scanners invented? 1950s 1940s 1970s 1960s 1950s 1940s 1970s 1960s ANSWER DOWNLOAD EXAMIANS APP
Inventions CORN FLAKES - Who made them first? Nabisco Quaker Archers Kellogg Nabisco Quaker Archers Kellogg ANSWER DOWNLOAD EXAMIANS APP
Inventions What Enrico Fermi invented? Betatron Cyclotron Nuclear reactor X ray machine Betatron Cyclotron Nuclear reactor X ray machine ANSWER DOWNLOAD EXAMIANS APP
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