The jet ratio of a Pelton wheel is:[Where, D = Pitch diameter of pelton wheel, d = Jet diameter]

\({\left( {\frac{d}{D}} \right)^2}\)

\({\left( {\frac{D}{d}} \right)^2}\)

The jet ratio of a Pelton wheel is:[Where, D = Pitch diameter of pelto

1.	The jet ratio of a Pelton wheel is:[Where, D = Pitch diameter of pelton wheel, d = Jet diameter]
A.	\({\left( {\frac{d}{D}} \right)^2}\)
B.	d/D
C.	\({\left( {\frac{D}{d}} \right)^2}\)
D.	D/d
Answer» E.