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Q:

The first gasoline-run car engine was developed by

 

A) Henry Ford B) Carl Benz
C) Hugh Chalmers D) Horace Elgin Dodge

Answer:   B) Carl Benz



Explanation:
Subject: Inventions
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The first hand glider was designed by…?

A) Leonardo DaVinci B) The Wright brothers
C) Francis Rogallo D) Galileo
 
Answer & Explanation Answer: A) Leonardo DaVinci

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Q:

What Thomas Davenport invented?

A) Screw propellor B) Electric streetcar
C) Chesterfield D) Sleeping (railway) car
 
Answer & Explanation Answer: A) Screw propellor

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Q:

 What invention caused many deaths while testing it?

A) Dynamite B) Ladders
C) Race cars D) Parachute
 
Answer & Explanation Answer: D) Parachute

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Q:

 What item, originally called the ‘Whirlwind’, was invented by Ives McGaffey in 1869?

A) Blender B) Electric mixer
C) Washing machine D) Vacuum cleaner
 
Answer & Explanation Answer: B) Electric mixer

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2 3348
Q:

What Frank Whittle invented?

A) Radar B) Ethyl gasoline
C) Sonar D) Jet propulsion
 
Answer & Explanation Answer: D) Jet propulsion

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6 4485
Q:

FROZEN FOOD – Who discovered the first practical method of freezing food?

A) C. Birdseye B) F. Rozenosh
C) G. Findus D) R. Scott
 
Answer & Explanation Answer:

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13 5893
Q:

Who invented fuel cells in 1839?

A) Buckminster Fuller B) Sir William Grove
C) Sylvester Graham D) Joyce Hall
 
Answer & Explanation Answer: B) Sir William Grove

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11 5667
Q:

Roentgen discovered

A) Electrocardiograph B) X–rays
C) Anti polio vaccine D) Encephalograph
 
Answer & Explanation Answer: B) X–rays

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