26. Which of the following is a type of low-head impoundment hydroelectric power plant?
a. Conventional
b. Run-of-river
c. Pumped storage
d. Tidal
27. What is the function of a trash rack in a hydroelectric power plant?
a. To store water
b. To regulate the flow of water
c. To protect the turbine from debris
d. To release water
28. Which of the following is a type of medium-head impoundment hydroelectric power plant?
a. Conventional
b. Run-of-river
c. Pumped storage
d. Tidal
29. What is the function of a bottom outlet in a hydroelectric power plant?
a. To store water
b. To regulate the flow of water
c. To protect the turbine from debris
d. To release water
30. Which of the following is not a type of water turbine?
a. Pelton turbine
b. Francis turbine
c. Kaplan turbine
d. Sterling engine
