Automatic Foghorn Quiz Questions and Answers PDF - 112

MCQ 556: In which one of the following year, steam foghorn was invented?

1. 1883
2. 1859
3. 1852
4. 1814

MCQ 557: Transistors were invented by

1. Sir John Bardeen
2. Sir Walter Brattain
3. Sir William Shockley
4. all of above

MCQ 558: Which one of the following is the inventor of credit cards?

1. Sir Willem Kloff
2. Sir John Biggins
3. Sir Rudolf Diesel
4. Sir Leon Battista Alberti

MCQ 559: Rubber Tyre's was discovered by a Scottish inventor known as

1. Sir Otto Blathy
2. Sir John Boyd Dunlop
3. Sir Hans von Ohain
4. Sir Alva J. Fisher

MCQ 560: Space war game was invented by

1. Sir Henry W. Seelay
2. Sir Schuyler Skaats Wheeler
3. Sir Walter Wingfield
4. Sir Steve Russel