Railways Technical Ability Metal Forming, Casting and Cutting Question Bank Metal Casting

  • question_answer Consider the following statements regarding the fluid coupling:
    1. Efficiency increases with increase in speed ratio.
    2. Neglecting friction the output torque is equal to input torque.
    3. At the same input speed, higher slip requires higher input torque.
    Which of these statements are correct?

    A) 1, 2 and 3                     

    B) 1 and 2

    C) 2 and 3            

    D) 1 and 3

    Correct Answer: C


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