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Q:

Who Invented the First Adhesive Tape ?

A) Richard GurleyDrew B) Alexander Graham Bell
C) James Rineose D) Caresse Crosby
 
Answer & Explanation Answer: A) Richard GurleyDrew

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Q:

Who Invented Dynamite Explosive Material?

A) Alfred Bernhard Nobel B) Levi Strauss
C) Percy LeBaron Spencer D) Garrett Augustus Morgan
 
Answer & Explanation Answer: A) Alfred Bernhard Nobel

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Q:

Who Invented Elevator Safety Brake ?

A) Alfred Bernhard Nobel B) Elisha Graves Otis
C) Percy LeBaron Spencer D) Garrett Augustus Morgan
 
Answer & Explanation Answer: B) Elisha Graves Otis

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Q:

Who is the inventor of railway engine?

A) George Stephenson B) W.H.F Talbot
C) Richard Trevithik D) Eli Whitney
 
Answer & Explanation Answer: C) Richard Trevithik

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Q:

Which object, initially called the 'Whirlwind', was invented by Ives McGaffey in 1869 ?

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

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Q:

Who is the inventor of railway engine?

A) George Stephenson B) W.H.F Tablot
C) Richard Trevithik D) Eli Whitney
 
Answer & Explanation Answer: C) Richard Trevithik

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Q:

What charge card, developed in 1950, was the first to be approved nationally in the US?

A) Discover B) MasterCharge
C) Visa D) Diner's Club
 
Answer & Explanation Answer: D) Diner's Club

Explanation:

 

The card was established by Frank McNamara and Ralph Schneider.

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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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