31. What is the function of a transformer in a hydroelectric power plant?
a. To control the flow of water
b. To regulate the speed of the turbine
c. To generate electricity
d. To step up or step down the voltage
32. What is the maximum power output of a hydroelectric power plant?
a. 1 MW
b. 10 MW
c. 100 MW
d. 1000 MW
33. Which of the following is a type of hydroelectric power plant that uses the natural flow of a river?
a. Conventional
b.Run-of-river
c. Pumped storage
d. Tidal
34. What is the function of a surge tank in a hydroelectric power plant?
a. To regulate the flow of water
b. To store water
c. To protect the turbine from water hammer
d. To release water
35. Which of the following is not a type of hydroelectric power plant?
a. Impoundment
b. Run-of-river
c. Tidal
d. Geothermal
