Renewable Energy Practice Test 7

1. What are wind energy conversion systems designed for?

To convert wind energy to potential energy

To convert wind energy to mechanical energy

To convert wind energy to electrical energy

To convert mechanical energy to wind energy

2. Capacitors do not suffer from ________

memory effect

material dependence

dielectric breakdown

excess electric potential

3. What is project specific planning in wind energy grid integration?

Planning activities for a solar panel system

Planning activities related to a unique wind project

Planning activities for the maintenance of the existing thermal power plants

Planning activities for all the future wind power plants

4. What is a major disadvantage with pumped hydro-electric system?

Depends on specific geographical locations for the construction of the two reservoirs

Low initial costs of construction

No dependence on geographical locations

Small scale construction for effective functioning

5. Which of the following best indicates the flow diagram of power generation mode in compressed air energy storage?

HPT → Storage →LPT → generator

Storage → LPT → generator → HPT

Storage → LPT → HPT → generator

Storage → HPT → LPT → generator

6. Which generator is used in variable speed WECS?

Doubly-fed induction

Induction squirrel

Squirrel-cage induction

Induction generator

7. What is memory effect?

Pumped storage

Electric grid

Remembering a charging level

Electro-hydrogen generation

8. Offshore wind turbines are not erected in water bodies.

False

True

9. Why is feathering of wind turbine blades required?

To reduce drag

To extract power from strong winds originating from storms

To increase drag

To prevent the blades from being destroyed by strong winds

10. Which of the following depicts the correct order of the stages involved in grid integration of wind energy?

Planning → physical connection → system operations

Physical connection → planning → system operations

Planning → system operations → physical connection

System operations → physical connection → planning