46. What is the function of a powerhouse inlet valve in a hydroelectric power plant?
a. To regulate the flow of water
b. To store water
c. To protect the turbine from debris
d. To release water
47. Which of the following is not a type of hydroelectric power plant?
a. Thermal
b. Impoundment
c. Run-of-river
d. Tidal
48. What is the function of a butterfly valve in a hydroelectric power plant?
a. To regulate the flow of water
b. To store water
c. To protect the turbine from debris
d. To release water
49. Which of the following is a type of low-head impoundment hydroelectric power plant?
a. Conventional
b. Micro
c. Mini
d. Small
50. What is the function of a turbine in a hydroelectric power plant?
a. To regulate the flow of water
b. To store water
c. To protect the powerhouse from debris
d. To convert the kinetic energy of water into mechanical energy, which is then converted into electrical energy
