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Home ‣ Mechanical Engineering ‣ Hydraulic Machines See What Others Are Saying!
  • Question

  • The efficiency of jet propulsion for a ship with inlet orifices at right angles to the direction of motion of ship, will be maximum when the relative velocity of the jet and ship is equal to twice the velocity of the ship.


  • Options
  • A. Yes
  • B. No

  • Correct Answer
  • Yes 

    • More questions

    • 1. The specific weight is also known as weight density.

    • Options
    • A. Correct
    • B. Incorrect
      • Discuss
    • 2. Which of the following material has maximum malleability?

    • Options
    • A. Lead
    • B. Soft steel
    • C. Wrought iron
    • D. Copper
      • Discuss
    • 3. A petrol that detonates easily is called

    • Options
    • A. high octane petrol
    • B. low octane petrol
    • C. unleaded petrol
    • D. blended fuel
      • Discuss
    • 4. A tool used to withdraw a drill from the sleeve is called

    • Options
    • A. drill remover
    • B. drill puller
    • C. drift
    • D. drill drawer
      • Discuss
    • 5. The length of hacksaw blade is the distance between the outside edges of the holes which fits over the pins.

    • Options
    • A. Agree
    • B. Disagree
      • Discuss
    • 6. Euler's formula holds good only for

    • Options
    • A. short columns
    • B. long columns
    • C. both short and long columns
    • D. weak columns
      • Discuss
    • 7. Surface plate is used to check the trueness of flat surfaces.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. Follow-up prescribes the sequence of operations to be followed.

    • Options
    • A. Correct
    • B. Incorrect
      • Discuss
    • 9. An over-inflated tyre will wear the tread most near the

    • Options
    • A. edges
    • B. corners
    • C. centre
    • D. none of these
      • Discuss
    • 10. A beam encastered at both the ends is called

    • Options
    • A. simply supported beam
    • B. fixed beam
    • C. cantilever beam
    • D. continuous beam
      • Discuss

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