Q.1
Who invented Electric Generator?
Q.2
What Thomas Davenport invented?
Q.3
What Elisha Otis invented?
Q.4
What Enrico Fermi invented?
Q.5
Which of the following was first patented by an Australian in 1889?
Q.6
Who is the English physicist responsible for the 'Big Bang Theory'?
Q.7
What 'game' was first produced by the Southern Novelty Company in Baltimore, Maryland in 1892?
Q.8
Where was the yo-yo invented?
Q.9
Who among the following invented the small pox vaccine?
Q.10
Which insurance salesman invented the fountain pen in 1884?
Q.11
What Benjamin Franklin invented?
Q.12
What plaything was invented by Joe McVicker in 1956?
Q.13
Who was the first American female to patent her invention, a method of weaving straw with silk?
Q.14
Who invented Gunpowder?
Q.15
Until Victorian times, chocolate was thought of as a drink. When did the first chocolate bar appear?
Q.16
Who invented Gramophone?
Q.17
What now ubiquitous device was invented by Zenith engineer Eugene Polley in 1955?
Q.18
What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes?
Q.19
What James Watt invented?
Q.20
Who invented the ballpoint pen?
Q.21
In which decade was the first solid state integrated circuit demonstrated?
Q.22
What furniture item was invented by California furniture designer Charles Prior Hall in 1968?
Q.23
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?
Q.24
This part-time race car driver invented the bucket seat in 1969. Who was he??
Q.25
Where is the village of Branston, after which the famous pickle is named?
Q.26
Who invented Jet Engine?
Q.27
What J. B. Dunlop invented?
Q.28
Which scientist discovered the radioactive element radium?
Q.29
What invention caused many deaths while testing it?
Q.30
When was barb wire patented?
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