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Railways NTPC (Technical Ability) Fluid Mechanics and Machinery Question Bank Fluid Mechanics

  • question_answer
    The barometric pressure at the base of mountain is 750 mm Hg and at the top 600 mm Hg. If the average air density is \[1\,\,\text{kg/}{{\text{m}}^{\text{3}}}\text{,}\] the height of the mountain is approximately:

    A) 2000 m            

    B) 3000 m

    C) 4000 m            

    D) 5000 m

    Correct Answer: A

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