Mechanical Engineering - Hydraulic Machines
Exercise : Hydraulic Machines - Section 2
- Hydraulic Machines - Section 1
- Hydraulic Machines - Section 2
- Hydraulic Machines - Section 3
- Hydraulic Machines - Section 4
26.
By fitting an air vessel to the reciprocating pump, there is always a saving of work done and subsequently saving of power. This saving in case of a single acting reciprocating pump is
27.
If the Francis turbine is run below 50 percent head for a long period, it will not only lose its efficiency but also the cavitation danger will become more serious.
28.
The maximum hydraulic efficiency of an impulse turbine is (where φ = Angle of blade tip at outlet)
29.
In a Francis turbine runner, the number of blades are generally between
30.
The relation between hydraulic efficiency (ηh), mechanical efficiency (ηm) and overall efficiency (ηo) ) is
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