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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. Raman Megassesay award was established in honour of which of the following country's president ?

    • Options
    • A. Thailand
    • B. Vietnam
    • C. Indonesia
    • D. Philippines
    • Discuss
    • 2. The goals of psychology are to

    • Options
    • A. describe the behavior
    • B. control the behavior
    • C. predict the behavior
    • D. All of the above
    • Discuss
    • 3. Which one of the following factors contributes to hypertension?

    • Options
    • A. A vigorous exercise regimen
    • B. A diet that lacks protein
    • C. A high-fat diet
    • D. A lack of sleep
    • Discuss
    • 4. Who were not confirmed with the India's highest civilian honour Bharat Ratna for 2018?

    • Options
    • A. Bhupen Hazarika
    • B. Nanaji Deshmukh
    • C. Pranab Mukherjee
    • D. Kailash Satyarthi
    • Discuss
    • 5. What are proteins made from?

    • Options
    • A. Nucleotides
    • B. Nucleic acids
    • C. Aminoacids
    • D. Ethylene
    • Discuss
    • 6. Who has chosen for the first "Bhagwan Mahavir Ahimsa Puraskar"?

    • Options
    • A. Subhash Chandra Bose
    • B. Alluri Seetha Ramaraju
    • C. Abhinandan Varthaman
    • D. None of the above
    • Discuss
    • 7. Jnanpith Award is given for excellence in the field of

    • Options
    • A. Peace
    • B. Bravery
    • C. Literacy
    • D. Sports
    • Discuss
    • 8. During the reign of which dynasty was the Great Wall of China constructed?

    • Options
    • A. Sung
    • B. Tang
    • C. Han
    • D. Chin
    • Discuss
    • 9. The UNESCO literacy prize has been given to India for the third consecutive year in1992.The 1992 prize has been given to

    • Options
    • A. Kerala
    • B. West Bengal
    • C. Pondicherry
    • D. Assam
    • Discuss
    • 10. Molten rock inside the earth is called

    • Options
    • A. Mantle
    • B. Core
    • C. Magma
    • D. Lava
    • Discuss


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