MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Wind Energy knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Capacitors store energy in the form of ________ |
| A. | potential |
| B. | AC voltage |
| C. | thermal potential |
| D. | electric potential |
| Answer» E. | |
| 2. |
Which of the following parameters are used to describe rechargeable batteries? |
| A. | Power |
| B. | Frequency |
| C. | Charge-to-discharge ratio |
| D. | Angular speed |
| Answer» D. Angular speed | |
| 3. |
When does a power conversion system act as an inverter for an energy storing device? |
| A. | When the device is being charged |
| B. | When the device is being discharged |
| C. | When the device starts working |
| D. | When the power conversion system is being discharged |
| Answer» C. When the device starts working | |
| 4. |
When does a power conversion system act as a rectifier for an energy storing device? |
| A. | When the device is being charged |
| B. | When the device is being discharged |
| C. | When the device stops working |
| D. | When the power conversion system is being charged |
| Answer» B. When the device is being discharged | |
| 5. |
Flywheels are an example of ________ energy storage. |
| A. | potential |
| B. | electric potential |
| C. | thermal kinetic |
| D. | kinetic |
| Answer» E. | |
| 6. |
What type of materials are used for latent heat storage? |
| A. | Materials with high stress |
| B. | Phase-change materials |
| C. | Materials with high stress/strain ratio |
| D. | Elastic materials |
| Answer» C. Materials with high stress/strain ratio | |
| 7. |
Pumped hydroelectric is an example of _________ |
| A. | Gravitational potential storage |
| B. | Latent heat storage |
| C. | Thermal storage |
| D. | Hydroelectric power generation |
| Answer» B. Latent heat storage | |
| 8. |
What is energy storage capacity? |
| A. | Power stored |
| B. | Amount of energy that can be drawn from a storage device |
| C. | Amount of energy stored in a storage device |
| D. | Amount of energy a storage device can store for a period of time |
| Answer» E. | |
| 9. |
Which of following is are parameters used to describe an energy storage device? |
| A. | Power, energy, time, frequency, Young’s modulus |
| B. | Power capacity, voltage, heat, angular speed, frequency |
| C. | Power capacity, energy storage capacity, efficiency, response time, round-trip efficiency |
| D. | Stress, strain, Young’s Modulus, elasticity, rigidity |
| Answer» D. Stress, strain, Young’s Modulus, elasticity, rigidity | |
| 10. |
Energy storage devices can manage power fluctuations. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
Wind energy can be switched on ‘on demand’. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
_________ is an example of storing wind energy chemically. |
| A. | Flywheels |
| B. | Pumped storage |
| C. | Batteries |
| D. | Electro-hydrogen generation |
| Answer» E. | |
| 13. |
What is an example of storing wind power electro-chemically? |
| A. | Electro-hydrogen generation |
| B. | Pumped storage |
| C. | Batteries |
| D. | Electric grid |
| Answer» D. Electric grid | |
| 14. |
Which of the following methods are used to store wind energy? |
| A. | Glowing a bulb |
| B. | Electro-chemical |
| C. | Running a consumer electrical appliance |
| D. | Turning off consumer electrical appliances when not in use |
| Answer» C. Running a consumer electrical appliance | |
| 15. |
Which of the following is a reason for storing wind energy? |
| A. | Wind power generation is not correlated to the demand cycle |
| B. | Wind power generation is correlated to the demand cycle |
| C. | Wind is a renewable resource |
| D. | Wind power is guaranteed to be available during peak demands |
| Answer» B. Wind power generation is correlated to the demand cycle | |