Railways Technical Ability Fluid Mechanics and Machinery Question Bank Fluid Mechanics

  • question_answer A stepped pipeline with four different cross-sections discharges water at the rate of 2 litres per second. Match List-I (Areas of pipe is sq. cm) with List-II (velocities of water in cm/s) and select the correct answer using the codes given below the list:
    List-I List-II
    A. 500 1. 4
    B. 100 2. 5
    C. 400 3. 10
    D. 200 4. 15
    5. 20
    Codes:

    A) A\[\to \]5, B\[\to \]1, C\[\to \]2, D\[\to \]3

    B) A\[\to \]1, B\[\to \]4, C\[\to \]2, D\[\to \]3

    C) A\[\to \]1, B\[\to \]4, C\[\to \]3, D\[\to \]4

    D) A\[\to \]3, B\[\to \]2, C\[\to \]5, D\[\to \]1

    Correct Answer: B

    Solution :

    \[Q={{A}_{v}}=2000\,\,\text{c}{{\text{m}}^{\text{3}}}\text{/s}\]


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