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Inventions Practice Test 49

Calculators Quiz Questions and Answers PDF - 49

The Calculators Quiz Questions and Answers PDF (Calculators Quiz with Answers PDF e-Book) download Test 49 to learn inventions online courses. Practice Inventions and Inventors trivia questions, Calculators Multiple Choice Questions (MCQ) for online college degrees. The Calculators Quiz App Download: Free learning app for lawn sprinkler, analytical plotter, electric wheelchair, piano, calculators test prep for taking online classes.

The Quiz: First mechanical calculator was invented by; "Calculators" App Download (Free) with answers: Sir Blaise Pascal; Sir Robert Noyce; Dr Raymond Lemieux; Sir Thomas Edison; for online school and college. Solve inventions and inventors questions and answers, Amazon eBook to download free sample for free online courses.

Calculators Questions and Answers PDF Download: Quiz 49

MCQ 241:

The first mechanical calculator was invented by

  1. Sir Robert Noyce
  2. Sir Blaise Pascal
  3. Dr Raymond Lemieux
  4. Sir Thomas Edison
MCQ 242:

Invention of piano is credited to

  1. Sir Thomas L. Wilson
  2. Sir James Hillier
  3. Sir Bartolomeo Cristofori
  4. Sir Adolph Rickenbacker
MCQ 243:

In which one of the following places an electric wheelchair was invented?

  1. Spain
  2. Italy
  3. Netherlands
  4. Veterans
MCQ 244:

The 3 D map-making system was invented by

  1. Uno Vilho
  2. Dr Dennis Colonello
  3. Dr Larry wang
  4. Sir Norman Rolston
MCQ 245:

Lawn sprinkler was invented by

  1. Sir Elijah McCoy
  2. Sir Joseph Nicephore
  3. Sir William Shockley
  4. John Loudon McAdam

Mock Tests: Inventions Course Prep

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Calculators App (Android & iOS)

Calculators App (Android & iOS)

Inventions App (Android & iOS)

Inventions App (iOS & Android)

Basic Sociology App (Android & iOS)

Basic Sociology App (Android & iOS)

Thermodynamics App (Android & iOS)

Thermodynamics App (iOS & Android)