Railways Technical Ability Turbomachinery Question Bank Turbomachinery

  • question_answer A vertical sluice gate, 2.5 m wide and weighing 500 kg is held in position due to horizontal force of water on one side and associated friction force. When the water level drops down to 2 m above the bottom of the gate, the gate just starts sliding down. The coefficient of friction between the gate and the supporting structure is:

    A) 0.20                             

    B) 0.10

    C) 0.05                             

    D) 0.02

    Correct Answer: B

    Solution :

    Area of gate at sliding, Force, on upstream of gate, Frictional force,


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