Railway signal Notes App | Inventions Notes e-Book PDF
Inventions MCQs (Grade 8) From Textbook

Inventions Competitive Exam MCQs – Mock Test 123

Railway signal Notes Questions with Answers PDF Download – Test 123

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Free Railway signal Notes App Download (Android & iOS): "Railway signal was an American inventor and electrical engineer named as"; MCQ with answers: sir thedore maiman, sir nickolaus august otto, sir william robinson, and robert stephenson. Learn inventions and inventors questions and answers, Google e-Book to download free chapter to achieve invention virtual mastery.

Railway signal MCQs – Mock Test 123 PDF Download

MCQ 611: Railway signal was an American inventor and electrical engineer named as:

  1. Sir Nickolaus August Otto
  2. Sir Thedore Maiman
  3. Robert Stephenson
  4. Sir William Robinson

MCQ 612: Incandescent Light Bulb was invented by an American businessman named as:

  1. Sir Philo Taylor Farnsworth
  2. Sir Thomas Edison
  3. Sir Igory Sikorsky
  4. Sir Josip Belusic

MCQ 613: In which one of the following year, Electric streetcar was discovered?

  1. 1865
  2. 1813
  3. 1842
  4. 1883

MCQ 614: The software programming language was invented by:

  1. Sir James Gosling
  2. Sir Norman Rolston
  3. Sirr James Naismith
  4. Dr Dennis Colonello

MCQ 615: The kinetograph was invented by:

  1. Sir Thomas Edison
  2. Sir William kennedy Dickson
  3. Sir J.Stuart Blackton
  4. Sir Blaise Pascal

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