Energy from Sea

Q.

Which energy can be directly harnessed from the sea?

1. Tidal energy

2. Wave energy

3. Ocean thermal energy

4. Solar energy

5. Geothermal energy

1. 1, 2 and 5

2. 1, 2 and 3

3. 1, 2 and 4

4. 3, 4 and 5

Q. Which of the following are the advantages of wave energy?

1. Renewable
2. Abundant energy
3. Environmental friendly
4. All of the above.

Q.

What are the limitations of power generation from tidal energy?

1. actual time of generation of power is very low

2. all of these

3. ideal locations from where this energy can be harnessed are limited

4. cost of construction is high

Q.

What are the disadvantages of wave energy?

1. causes air pollution

2. energy potential from the sea is quite large, but efficient commercial exploitation is difficult

3. is not renewable

4. wave energy is not abundant