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  • Question
  • A Fuse is used in mains electric supply as a safety devices. Which one of the following statements about the fuse is correct?


  • Options
  • A. It is connected in parallel with the main switch
  • B. It is made mainly from silver alloys
  • C. It must have a low melting point
  • D. It must have a very high resistance

  • Correct Answer
  • It must have a low melting point 


  • More questions

    • 1. The main objective of multi-purpose river projects are

    • Options
    • A. extension of irrigation facilities by constructing dams to store surplus water during the rainy season, for release in summer
    • B. power generation by constructing hydro power stations
    • C. flood controls and making rivers navigable
    • D. All of the above
    • Discuss
    • 2. The magnetic field generated due to magnetic storm is directed in the ____ direction to the earth's main field.

    • Options
    • A. same
    • B. opposite
    • C. southward
    • D. northward
    • Discuss
    • 3. Hermann Scheer (Germany) received right Livelihood Award in 1999 for

    • Options
    • A. his indefatigable work for thepromotion of solar energy worldwide
    • B. his long standing efforts to end the impunity of dictators
    • C. showing that organic agriculture is a key to both environmental sustainability and food security
    • D. None of the above
    • Discuss
    • 4. It is easier to roll a stone up a sloping road than to lift it vertical upwards because

    • Options
    • A. work done in rolling is more than in lifting
    • B. work done in lifting the stone is equal to rolling it
    • C. work done in both is same but the rate of doing work is less in rolling
    • D. work done in rolling a stone is less than in lifting it
    • Discuss
    • 5. The 'Cannes Award' is given for excellence in which field?

    • Options
    • A. Films
    • B. Journalism
    • C. Literature
    • D. Economics
    • Discuss
    • 6. The process that explains the recent changes in the height of sea level in coastal areas of eastern and northern Canada and Scandinavi is

    • Options
    • A. isostasy
    • B. continental drift
    • C. plate tectonics
    • D. None of the above
    • Discuss
    • 7. Which of the following is a non metal that remains liquid at room temperature?

    • Options
    • A. Phosphorous
    • B. Bromine
    • C. Chlorine
    • D. Helium
    • Discuss
    • 8. In which field 'Aachan Maharaj' has distinguished himself?

    • Options
    • A. Painting
    • B. Drama
    • C. Dance
    • D. Vocal Music
    • Discuss
    • 9. This part-time race car driver invented the bucket seat in 1969. Who was he??

    • Options
    • A. Steve McQueen
    • B. Harrison Frazier
    • C. Paul Newman
    • D. John Wayne
    • Discuss
    • 10. Who among the Indian to win the Athletics Gold in 1998 Asian Games?

    • Options
    • A. Kapil Dev
    • B. Jyotirmoyee Sikdar
    • C. Sunita Rani
    • D. P.T. Usha
    • Discuss


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