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  • Question
  • Which of the following was first patented by an Australian in 1889?


  • Options
  • A. Electric Drill
  • B. Electric Shaver
  • C. Electric Fence
  • D. Electric Heater

  • Correct Answer
  • Electric Drill 

    Explanation
    The Electric Drill was the invention of Arthur James Arnot. On 20 August 1889 he patented his design while working for the Union Electric Company in Melbourne. His original design was meant primarily for drilling rock to find coal!

  • More questions

    • 1. The mean surface temperature of the sun is estimated to be of the prder of

    • Options
    • A. 5500?C
    • B. 4000?C
    • C. 2000?C
    • D. 1000?C
    • Discuss
    • 2. The Pyrenees mountains are located on the border between ____ and ____

    • Options
    • A. Romania, Bulgaria
    • B. Norway, Sweden
    • C. Hungary, Romania
    • D. France, Spain
    • Discuss
    • 3. What is the relationship between resistivity r and conductivity s?

    • Options
    • A. R = s2
    • B. R = s
    • C. R > s
    • D. R = 1/s
    • Discuss
    • 4. Which of the following is used as a lubricant?

    • Options
    • A. Graphite
    • B. Silica
    • C. Iron Oxide
    • D. Diamond
    • Discuss
    • 5. Fenway Park is the home field of what Major League Baseball team?

    • Options
    • A. New York Yankees
    • B. Chicago White Sox
    • C. Montreal Expos
    • D. Boston Red Sox
    • Discuss
    • 6. The religion of Afghanistan is

    • Options
    • A. Islam
    • B. Buddhism
    • C. Hinduism
    • D. Christianity
    • Discuss
    • 7. Who was the first Indian woman to win a medal in the Olympics?

    • Options
    • A. P.T.Usha
    • B. Karnam Malleshwari
    • C. Kunjarani Devi
    • D. Bachendri Pal
    • Discuss
    • 8. Who is known as 'Desert Fox'?

    • Options
    • A. Bismarck
    • B. Eisenhower
    • C. Gen. Rommel
    • D. Walter Scott
    • Discuss
    • 9. The letters, "DOS" stand for...

    • Options
    • A. Data Out System
    • B. Disk Out System
    • C. Disk Operating System
    • D. Data Operating System
    • Discuss
    • 10. Which of the following countries is not a member of SAARC?

    • Options
    • A. Nepal
    • B. Bangladesh
    • C. Afghanistan
    • D. Myanmar
    • Discuss


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