Inventions Entrance Exam MCQs – Mock Test 13

Letter Box Quiz with Answers PDF Download – Test 13

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Letter Box Quiz – Mock Test 13 PDF Download

MCQ 61: The first letter-box was discovered by:

Sir Jack Kilby
Sir Albert Potts
Sir Hans von Ohain
Alexander Fleming

MCQ 62: The Revolver was invented by:

Sir Samuel Colt
Dr Raymond Lemieux
Sir Robert Fulton
Dr Dennis Colonello

MCQ 63: The ceiling fan was invented by an American electrical engineer named as:

Sir Nikola Tesla
Sir Rudolf Diesel
Sir Schuyler Skaats Wheeler
Sir James Hillier

MCQ 64: Infomercial exercise was invented by a renowned inventor named as:

Sir Norman Rolston
Sirr James Naismith
Dr Dennis Colonello
Sir Thomas L. Wilson

MCQ 65: Standard time was invented by:

Sir T.J Blachut
Sir Cyril Duquet
Sir Sanford Fleming
Sir Reginald A. Fessenden

Letter Box Quiz App & eBook – Inventions Textbook Tests

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