Which of the following statements is false regarding the relation for specific speed,\(N_{s}=\frac{N\sqrt{P}}{H^{5/4}}\)
1
the relation is valid for both impulse as well as reaction turbines
2
the value of specific speed demands on the system of units
3
the value of specific speed will be lower than that for Kalpan turbine for any system of units
4
the dimensions of specific speed are [FLT-1]