Inventions - Questions (Section-1)
#Questions
33What charge card, developed in 1950, was the first to be accepted nationally in the US?
A. VisaB. Discover
C. MasterCharge D. Diner's Club
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34What Enrico Fermi invented?
A. X ray machineB. Betatron
C. Cyclotron D. Nuclear reactor
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35What George Westinghouse invented?
A. Light bulbB. Electric razor
C. Refrigerator D. Railway air brakes
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36When was the first elevator built?
A. 1743B. 1739
C. 1760 D. 1785
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37Which insurance salesman invented the fountain pen in 1884?
A. Lewis Edson WatermanB. Sir William Grove
C. Charles Kettering D. George Fountain
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38Which of the following was first patented by an Australian in 1889?
A. Electric DrillB. Electric Shaver
C. Electric Fence D. Electric Heater
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39Who among the following invented the small pox vaccine?
A. Robert KochB. Edward Jenner
C. Robert Hooke D. Louis Pasteur
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40Who is the only U.S. President to invent and patent something?
A. Abraham LincolnB. Theodore Roosevelt
C. Thomas Jefferson D. Rutherford B. Hayes
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