56. Which of the following is a disadvantage of a pumped-storage hydroelectric power plant?
a. It is expensive to build
b. It requires a large amount of water
c. It has a low efficiency
d. It has a high maintenance cost
57. Which of the following is a characteristic of a tidal power plant?
a. It is only feasible in areas with high tides
b. It requires a large amount of water
c. It is more efficient than a conventional hydroelectric power plant
d. It is not affected by weather conditions
58. Which of the following is a disadvantage of a tidal power plant?
a. It has a low efficiency
b. It is expensive to build
c. It is not feasible in areas with low tides
d. It requires a large amount of land
59. Which of the following is a characteristic of a wave power plant?
a. It is only feasible in areas with high waves
b. It requires a large amount of water
c. It is more efficient than a conventional hydroelectric power plant
d. It is not affected by weather conditions
60. Which of the following is a disadvantage of a wave power plant?
a. It has a low efficiency
b. It is expensive to build
c. It is not feasible in areas with low waves
d. It requires a large amount of land
