Q: What James Watt invented?

1. Hot air balloon
2. Rotary steam engine
3. Steam boat
4. Diving bell

Q: What Elisha Otis invented?

1. Turbine
2. Elevator
3. Jet engine
4. Escalator

Q: Benjamin Franklin was a prolific inventor. He invented the lightning rod, the Franklin stove, studied electricity, discovered the Gulf Stream, started the first library, and on and on. Among his many other inventions, what musical instrument did he invent?

1. Banjo
2. Clarinet
3. Oboe
4. Harmonium

Q: What George Pullman invented?

1. Sleeping (railway) car
2. Airship
3. Air brakes
4. Box car (railway)

Q: What Benjamin Franklin invented?

1. Bifocal spectacles
2. Barometer
3. Hygrometer
4. Radio

Q: What Henry Bessemer invented?

1. Electroplating
2. Steel Converter
3. Steel rolling mill
4. Aluminum

Q: Who invented Gunpowder?

1. Leo H Baekeland
2. Sir Frank Whittle
3. Roger Bacon
4. G. Ferdinand Von Zeppelin

Q: Who invented Dynamite?

1. Thomas Alva Edison
2. Alfred B. Nobel
3. Sir Alexander Graham Bell
4. Benjamin Franklin

Q: Who invented fuel cells in 1839?

1. Buckminster Fuller
2. Joyce Hall
3. Sir William Grove
4. Sylvester Graham

Q: Who invented Bifocal Lens?

1. Rudolf Diesel
2. Thomas Alva Edison
3. Alfred B. Nobel
4. Benjamin Franklin

Q: Who invented Automobiles using gasoline?

1. Karl Benz
2. Leo H Baekeland
3. Evangelista Torricelli
4. Kirkpatrick Macmillan

Q: Who invented Electronic Computer?

1. Evangelista Torricelli
2. Dr. Alan M. Turing
3. Lewis E. Waterman
4. Sir Frank Whittle

Q: Who invented Bakelite?

1. Henry Ford
2. Charles Goodyear
3. Leo Hendrik Baekeland
4. Roy Plunkett

Q: Who invented Ball-Point Pen?

1. John J. Loud
2. Roger Bacon
3. Dr. Alan M. Turing
4. Otto