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Inventions Practice Test 58

Slot Machines Quiz Questions and Answers PDF - 58

The Slot Machines Quiz Questions and Answers PDF, Slot Machines Quiz with Answers PDF Download, e-Book Test 58 to learn free inventions online courses. Practice Inventions and Inventors trivia questions, Slot Machines Multiple Choice Questions (MCQ) for online college degrees. The Slot Machines Quiz App: Download free learning app for petrol engine, tranquilliser gun, braces, bunsen burners, slot machines test prep for distance education.

The Quiz: In which one of following year, mechanical slot machines were patented; "Slot Machines" App Download (Free) with answers ‘1895’, ‘1874’, ‘1806’ and ‘1844’ for online courses. Solve inventions and inventors questions and answers, Amazon eBook to download free sample for distance learning.

Slot Machines Questions and Answers PDF Download: Quiz 58

MCQ 286: In which one of the following year, mechanical slot machines were patented?

  1. 1874
  2. 1895
  3. 1806
  4. 1844

MCQ 287: Bunsen burners were patented by

  1. Sir Walter E.Diemer
  2. Sir Robert Bunsen
  3. Sir Willem Kloff
  4. Sir John Biggins

MCQ 288: Dental braces were invented in

  1. 1728
  2. 1723
  3. 1788
  4. 1734

MCQ 289: Tranquilizer gun was invented by a New Zealand veterinarian named as

  1. Sarah Boone
  2. Sir Colin Albert Murdoch
  3. John Loudon McAdam
  4. Dr Raymond Lemieux

MCQ 290: The first petrol engine was invented by a German engineer named as

  1. Sir Nickolaus August Otto
  2. Sir Jack Kilby
  3. Sir Robert Noyce
  4. Sir Paul Cornu

Mock Tests: Inventions Course Prep

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