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  • Question
  • Which part of the flame is the hottest?


  • Options
  • A. Blue Zone
  • B. Luminous Zone
  • C. Dark Zone
  • D. Non - Luminous Zone

  • Correct Answer
  • Blue Zone 

    Explanation

    Blue Zone is the hottest part of the flame that is where the flame has the most Oxygen and you are getting complete combustion. It is about 1400 degrees Centigrades. The Reddish part (Non - Luminous Zone) is the coolest part, about 800 deg C.

  • Tags: AIEEE, Bank Exams, CAT, GATE, Analyst, Bank Clerk, Bank PO, IT Trainer

    More questions

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    • Options
    • A. Lymph is formed due to leakage of blood through capillaries.
    • B. Lymph contains blood cells such as RBC.
    • C. Lymph is also circulated by the blood circulating heart.
    • D. Lymph only transports hormones.
    • Discuss
    • 2. Who among the following India's Paralympic athletes haswon the title of Gold Javelin F46 in Rio 2016 Paralympic Games?

    • Options
    • A. Varun Singh Bhati
    • B. Deepa Malik
    • C. Amit Kumar Saroha
    • D. Mariyappan Thangavelu
    • Discuss
    • 3. Which is the only snake that builds nests?

    • Options
    • A. Viper
    • B. King Cobra
    • C. Anaconda
    • D. Python
    • Discuss
    • 4. In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence. A punishment imposed for breaking a law, rule, or contract.

    • Options
    • A. Penalty
    • B. Reprieve
    • C. Grace
    • D. Amnesty
    • Discuss
    • 5. The animal having longest life span?
    • Discuss
    • 6. Which of the following classes of animals has/have three-chambered heart?

    • Options
    • A. Pisces and Amphibia
    • B. Amphibia and Reptilia
    • C. Reptilia only
    • D. Amphibia only
    • Discuss
    • 7. Who among the following has been named as the 2016 ITFWorld Champions by the International Tennis Federation?

    • Options
    • A. Rafael Nadal
    • B. Andy Murray
    • C. Roger Federer
    • D. Novak Dokovic
    • Discuss
    • 8. Select the correct statement about the Evolution of Animals.

    • Options
    • A. The oldest generally accepted fossils of large animals range in age from 565 to 550 million years old.
    • B. No animal fossils are found in strata formed before the Cambrian explosion.
    • C. Approximately half the phyla of living organisms are found in Cambrian sediments.
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    • 9. In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word.

    • Options
    • A. atrocias
    • B. atrocious
    • C. atroceous
    • D. atroacious
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    • Options
    • A. RBI
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    • C. ERP
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