Mechanical Engineering :: Hydraulics and Fluid Mechanics in ME
- The specific speed of turbine is defined as the speed of a unit
- The discharge through an external mouthpiece is given by (where a = Cross-sectional area of the mouthpiece, and H = Height of liquid above the mouthpiece)
- When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece)
- A weir is said to be narrow-crested weir, if the width of the crest of the weir is __________ half the height of water above the weir crest.
- A weir is said to be broad crested weir, if the width of the crest of the weir is ________ half the height of water above the weir crest.
- Braking jet in an impulse turbine is used
- In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta.
- In an external mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to 0.89 times the height of the liquid, above the vena contracta.
- Choose the wrong statement
Whatsapp
Facebook
