Which of the following statement is correct as regard to water wheels? Options: A . &nbspThey have slow speeds. B . &nbspThey are suitable even for low water heads. C . &nbspThey give constant efficiency, even if the discharge is not constant D . &nbspall of the above

Which of the following statement is correct as regard to water wheels?

Question - Which of the following statement is correct as regard to water wheels?

Options:

A . They have slow speeds.

B . They are suitable even for low water heads.

C . They give constant efficiency, even if the discharge is not constant

D . all of the above

Answer: Option D
Answer: (d).all of the above

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