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

  • The discharge through a turbine is


  • Options
  • A. directly proportional to H1/2
  • B. inversely proportional to H1/2
  • C. directly proportional to H3/2
  • D. inversely proportional to H3/2

  • Correct Answer
  • directly proportional to H1/2 

    • More questions

    • 1. Willian's line for the steam engine is a straight line relationship between the steam consumption per hour and

    • Options
    • A. indicated power
    • B. brake power
    • C. efficiency
    • D. pressure of steam
      • Discuss
    • 2. A simply supported beam of length l is loaded with a uniformly distributed load of w per unit length. The maximum deflection is and lies at the centre of the beam.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. When a low carbon steel is heated upto lower critical temperature,

    • Options
    • A. there is no change in grain size
    • B. the average grain size is a minimum
    • C. the grain size increases very rapidly
    • D. the grain size first increases and then decreases very rapidly
      • Discuss
    • 4. The acceleration of a body sliding down an inclined surface is

    • Options
    • A. g sin ?
    • B. g cos ?
    • C. g tan ?
    • D. none of these
      • Discuss
    • 5. The centre distance between two meshing involute gears is equal to

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 6. The loss of kinetic energy during inelastic impact, is given by(where m1 = Mass of the first body,m2 = Mass of the second body, and u1 and u2 = Velocities of the first and second bodies respectively.)

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 7. For welding plates of thickness more than 12.5 mm, its edges

    • Options
    • A. do not require bevelling
    • B. should be bevelled to a single-V or U-groove
    • C. should have a double-V or U-groove on one side
    • D. should have a double-V or U-groove on both sides
      • Discuss
    • 8. An oxidising flame is obtained when equal volumes of oxygen and acetylene are supplied.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. In transverse grinding

    • Options
    • A. the work is reciprocated as the wheel feeds to produce cylinders longer than the width of wheel face
    • B. the work rotates in a fixed position as the wheel feeds to produce cylinders equal to or shorter than the width of wheel face
    • C. the work is reciprocated as the wheel feeds to produce cylinders shorter than the width of wheel face
    • D. the work rotates in a fixed position as the wheel feeds to produce cylinders longer than the width of wheel face
      • Discuss
    • 10. The product of Reynolds number and Prandtl number is known as

    • Options
    • A. Stanton number
    • B. Biot number
    • C. Peclet number
    • D. Grashoff number
      • Discuss

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