Invention general knowledge

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Invention general knowledge

Question 1 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What Frank Whittle invented?
A
Radar
B
Ethyl gasoline
C
Sonar
D
Jet propulsion
Question 2 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Who invented Gunpowder?
A
G. Ferdinand Von Zeppelin
B
Sir Frank Whittle
C
Roger Bacon
D
Leo H Baekeland
Question 3 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following was first patented by an Australian in 1889?
A
Electric Drill
B
Electric Shaver
C
Electric Fence
D
Electric Heater
Question 4 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Who was the first American female to patent her invention, a method of weaving straw with silk?
A
Marjorie Joyner
B
Margaret Knight
C
Amanda Jones
D
Mary Kies
Question 5 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Who invented fuel cells in 1839?
A
Buckminster Fuller
B
Sir William Grove
C
Sylvester Graham
D
Joyce Hall
There are 5 questions to complete.