Inventions What now-ubiquitous device was invented by Zenith engineer Eugene Polley in 1955? Microwave oven VCR Calculator Remote control Microwave oven VCR Calculator Remote control ANSWER DOWNLOAD EXAMIANS APP
Inventions What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869? Electric mixer Blender Vacuum cleaner Washing machine Electric mixer Blender Vacuum cleaner Washing machine ANSWER DOWNLOAD EXAMIANS APP
Inventions What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin? Telegraph Dishwasher Television Radio Telegraph Dishwasher Television Radio ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade were the first successful diode and triode vacuum tubes invented? 1800s 1880s 1900s 1890s 1800s 1880s 1900s 1890s ANSWER DOWNLOAD EXAMIANS APP
Inventions What Frank Whittle invented? Ethyl gasoline Sonar Radar Jet propulsion Ethyl gasoline Sonar Radar Jet propulsion ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the transistor invented? 1980s 1960s 1950s 1940s 1980s 1960s 1950s 1940s ANSWER DOWNLOAD EXAMIANS APP
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