Which one of the following correctly expresses the specific speed of a turbine and a pump, respectively?
(A) $\frac{N\sqrt{Q}}{H^{\frac{3}{4}}},\frac{N\sqrt{P}}{H^{\frac{5}{4}}}$
(B)$\frac{N\sqrt{P}}{H^{\frac{3}{4}}},\frac{N\sqrt{Q}}{H^{\frac{5}{4}}}$
(C) $\frac{N\sqrt{P}}{H^{\frac{5}{4}}},\frac{N\sqrt{Q}}{H^{\frac{3}{4}}}$
(D) $\frac{N\sqrt{P}}{H^{\frac{7}{4}}},\frac{N\sqrt{Q}}{H^{\frac{3}{4}}}$ 