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GK English Inventions Prepare Q&A Page: 3
14986.What Enrico Fermi invented?
X ray machine
Betatron
Cyclotron
Nuclear reactor
15027.Who came up with the idea for INSTANT MASHED POTATO?
S. Tuberosum
W. Raleigh
E. Asselbergs
K. Edwards
15066.When was the toothbrush invented?
1770
1765
1790
1742
14981.Who had an explosive idea and first patented DYNAMITE?
J. R. Gluber
A. Nobel
G. Fawks
W. Bickford
15017.In which decade was the SPICE simulator introduced?
1950s
1960s
1970s
1980s
14976.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
James B. Conant
Leslie R. Groves
Vannevar Bush
14984.When was the first elevator built?
1743
1739
1760
1785
14987.Which of the following was first patented by an Australian in 1889?
Electric Drill
Electric Shaver
Electric Fence
Electric Heater
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