What is the most common water turbine in use today?
A. Pelton wheel turbine
B. Kaplan turbine
C. Curtis turbine
D. Francis turbine
A. Incorrect. An example of an impulse turbine that could be used in a hydroelectric dam is a Pelton wheel.
B. Incorrect. An example of a simple reactive turbine is a Kaplan turbine, which would be used when the motive fluid flow volume is high but the head pressure is low.
C. Incorrect. The Curtis turbine is an example of a single-stage turbine.
D. Correct. The Francis turbine is the most common water turbine in use today.
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