Inventions MCQs – Mock Test 136

Gyrocompass Multiple Choice Questions with Answers PDF – Test 136

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Free Gyrocompass MCQs App Download (iOS & Android): Usable gyro compass was invented by; MCQ with answers: dr raymond lemieux, sir percy spencer, sir peter williamson, and sir hermann anschutz-kaempfe. Practice inventions and inventors questions and answers, Apple Book to download free chapter to understand scientific inventions.

Gyrocompass MCQs with Answers PDF Download – Mock Test 136

MCQ 676: A usable gyro compass was invented by:

Sir Percy Spencer
Dr Raymond Lemieux
Sir Hermann Anschutz-Kaempfe
Sir Peter Williamson

MCQ 677: Relief Etching was patented by:

Sir Don Marcelino
Sir William Blake
Sir James Arnot
Sir William Blanc Brain

MCQ 678: The electric iron was invented by an American mathematician born in Cazenovia named as:

John Loudon McAdam
Sir Henry W. Seelay
Sir James Hillier
Uno Vilho

MCQ 679: On which one of the following dates World Wide Web was invented?

1972
1989
1986
1930

MCQ 680: Colt Revolver was invented by:

Sir Samuel Colt
Sir George Smith
Sir Willard Boyle
Sir Leon Battista Alberti

Gyrocompass MCQs App & eBook – Inventions Entrance Tests

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