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Inventions Certification MCQs – Mock Test 175

Telephone Handset Notes Questions with Answers PDF Download – Test 175

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Study Telephone Handset Notes Questions and Answers PDF to strengthen invention online awareness. Download the Telephone Handset Quiz Answers PDF e-Book, Test 175 to learn inventions online courses. Practice Inventions and Inventors MCQ questions, Telephone Handset Multiple Choice Questions (MCQ) to study famous inventions. Download the Telephone Handset Learning App: Free Inventions Notes App to learn super soaker, escalator, integrated circuits, telephone handset test prep to complete invention web courses.

Free Telephone Handset Notes App Download (Android & iOS): In which one of the following year, Telephone handset was discovered?; MCQ with answers: 1816, 1845, 1808, and 1878. Learn inventions and inventors questions and answers, Google e-Book to download free chapter to strengthen invention online awareness.

Telephone Handset MCQs – Mock Test 175 PDF Download

MCQ 871: In which one of the following year, Telephone handset was discovered?

  1. 1845
  2. 1816
  3. 1878
  4. 1808

MCQ 872: In which one of the following year, integrated circuits were invented?

  1. 1925
  2. 1905
  3. 1959
  4. 1932

MCQ 873: In which one of the following year, escalator was patented?

  1. 1891
  2. 1997
  3. 1899
  4. 1893

MCQ 874: Super soaker was discovered by:

  1. Sir Lonnie Johnson
  2. Sir S.S Squirt gun
  3. Sir Joseph Henry
  4. both a and b

MCQ 875: The photo phone was invented by an American scientist named as:

  1. Sir Alexander Graham Bell
  2. Sir Igory Sikorsky
  3. Dr Abraham Gesner
  4. Sir Oliver Evans

Telephone Handset Notes App & eBook – Inventions Certification Guide

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The "Telephone Handset Learning" App: Free Inventions Learning App Download (Android & iOS) to strengthen invention online awareness. Download Play Store & App Store Study Apps with all functionalities to complete invention web courses.

Free Telephone Handset Notes App – Download Android & iOS Apps

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