General Knowledge MCQs - Chapter 14

Technology Inventions Multiple Choice Questions (MCQ) PDF - 22

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Technology Inventions Questions & Answers PDF Download: MCQ Quiz 22

MCQ : Earliest cast iron was developed in

China
Italy
Roman Empire
Greek Empire

MCQ 1: In 1642, first mechanical calculator was built by

Thomas Newcomen
Stephen Hales
Blaise Pascal
Gerardus Mercator

MCQ 2: Device which measure the magnitude and direction of magnetic fields is known as

VU meter
galvanometer
vocoder
fluxgate magnetometer

MCQ 3: First pressure sensitive adhesive tape was invented in 1845 by

Dr. Horace day
Dr. Howard Armstrong
Dr. Ferdinand Magellan
Douglas MacArthur

MCQ 4: World's first refrigerator was invented by

Oliver Evans
Jacob Perkins
John Gorrie
William Crapo Durant

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