WIND

Question 1

1. What type of energy is wind energy?
   a. Chemical energy
   b. Kinetic energy
   c. Thermal energy
   d. Nuclear energy

Answer 1

B

Question 2

2. How is wind energy harnessed?
   a. Using solar panels
   b. Using wind turbines
   c. Using hydroelectric dams
   d. Using geothermal plants

Answer 2

B

Question 3

3. Which of the following best describes wind energy?
   a. A non-renewable energy source
   b. A clean and sustainable power source
   c. A source of pollution
   d. A fossil fuel-based energy

Answer 3

B

Question 4

4. Which of the following is NOT an example of wind energy usage?
   a. Powering windmills
   b. Propelling sailboats
   c. Generating electricity through wind turbines
   d. Producing gasoline

Answer 4

D

Question 5

5. What makes wind energy an inexhaustible source?
   a. It is made from oil reserves
   b. Wind continuously replenishes itself
   c. It relies on finite resources
   d. It can only be used once

Answer 5

B

Question 6

6. What was the total global wind capacity in 2023?
   a. 1,015 GW
   b. 500 GW
   c. 1,221 GW
   d. 741 GW

Answer 6

A

Question 7

7. What is the expected global wind capacity addition by 2030?
   a. 1,015 GW
   b. 2,510 GW
   c. 741 MW
   d. 1,221 GW

Answer 7

D

Question 8

8. What legislation in the United States supports wind energy through tax credits?
   a. Renewable Energy Act
   b. Inflation Reduction Act (IRA)
   c. Clean Energy Fund Act
   d. Wind Energy Development Bill

Answer 8

B

Question 9

9. What is the most common type of wind turbine used for utility-scale applications?
   a. Horizontal Axis Wind Turbines (HAWT)
   b. Vertical Axis Wind Turbines (VAWT)
   c. Offshore Floating Turbines
   d. Hybrid Wind Turbines

Answer 9

A

Question 10

10. How many factors affecting the global and local wind energy demand?
    a. 5
    b. 6
    c. 9
    d. 7

Answer 10

A

Question 11

11. What type of generator is commonly used in fixed-speed wind turbines?
    a. Synchronous Generator
    b. Induction Generator
    c. Direct Current Generator
    d. Solar Generator

Answer 11

B

Question 12

12. What is the main function of the nacelle in a wind turbine?
    a. To store energy
    b. To provide weight balance
    c. To house key mechanical elements like the gearbox and generator
    d. To support the foundation

Answer 12

C

Question 13

13. Why are floating offshore wind turbines important?
    a. They are cheaper than onshore wind turbines
    b. They are used for small-scale power generation
    c. They allow wind energy deployment in deep waters
    d. They require less maintenance than fixed turbines

Answer 13

C

Question 14

14. This is a large, heavy structural block of concrete in the ground that supports the entire turbine and the forces acting on it?
    a. Foundation
    b. Nacelle
    c. Turbines
    d. Towers

Answer 14

A

Question 15

15. It is made from lightweight composite materials for durability and efficiency?
    a. Power converter
    b. Generators
    c. The rotor and hub
    d. Blades

Answer 15

D

Question 16

16. It is used to step up the rotor speed to match generator requirements?
    a. Gearboxes
    b. Tower
    c. Blades
    d. Converter

Answer 16

A

Question 17

17. What is the total capacity of China?
    a. 442
    b. 443
    c. 115
    d. 441

Answer 17

D

Question 18

18. Wind power now meets around _________ of global electricity demand, indicating its increasing role in the energy mix.
    a. 10%
    b. 35%
    c. 75%
    d. 95%

Answer 18

A

Question 19

19. In the Philippines, what is the estimated potential offshore wind?
    a. 209 GW
    b. 297 GW
    c. 207 GW
    d. 222 GW

Answer 19

C

Question 20

20. What percentage that the coal contributed?
    a. 24.7%
    b. 25%
    c. 26%
    d. 28%

Answer 20

A

Question 21

21. Which of the following is NOT a historical use of wind energy?
    a. Propelling boats
    b. Grinding grain
    c. Powering modern computers
    d. Pumping water

Answer 21

C

Question 22

22. In 2023, the global wind industry installed a record of how much new capacity?
    a. 50 GW
    b. 76 GW
    c. 117 GW
    d. 1015 GW

Answer 22

C

Question 23

24. What is the projected CAGR for the Philippines’ wind energy market between 2025 and 2034?
    a. 10.5%
    b. 19.1%
    c. 25.0%
    d. 34.4%

Answer 23

B

Question 23

23. Which country led in wind capacity additions in 2023?
    a. United States
    b. Germany
    c. China
    d. India

Answer 23

C

Question 24

25. How many years is Gansu Wind Farm in China operating? a. 15 b. 14 c. 12 d. 13

Answer 24

A

Question 25

26. What is the total planned capacity of the Gansu Wind Farm in China? a. 4 GW b. 8.1 GW c. 20 GW d. 6 GW

Answer 25

C

Question 26

27. Which wind farm is expected to power approximately 400,000 Swedish households? a. Markbygden Wind Farm b. Hornsea Wind Farm c. Gansu Wind Farm d. Caparispisan Wind Farm

Answer 26

A

Question 27

28. Which wind farm is known as the first wind farm in Southeast Asia? a. Burgos Wind Farm b. Bangui Wind Farm c. San Lorenzo Wind Farm d. Pililla Wind Farm

Answer 27

B

Question 28

29. Who is the primary operator of the Dogger Bank Wind Farm? a. Ørsted b. Trans Asia Renewable Energy Corporation c. Equinor d. Alternergy Philippine Holdings Corporation

Answer 28

C

Question 29

30. Which wind farm in the Philippines integrates battery energy storage using lithium-ion technology? a. Caparispisan Wind Farm b. Nabas Wind Farm c. Puerto Galera Wind Farm d. Pililla Wind Farm

Answer 29

C

Question 30

31. Which onshore wind farm in the Philippines has the highest total capacity? a. Burgus Wind Farm b. Bangui Wind Farm c. San Lorenzo Wind Farm d. Nabas Wind Farm

Answer 30

A

Question 31

32. What is the total number of wind turbines planned for the Dogger Bank Wind Farm? a. 278 b. 277 c. 167 d. 998

Answer 31

B

Question 32

33. Which wind farm is being developed across the provinces of Jiuquan, Inner Mongolia, Hebei, Xinjiang, Jiangsu, and Shandong? a. Dogger Bank Wind Farm b. Hornsea Wind Farm c. Gansu Wind Farm d. Markbygden Wind Farm

Answer 32

C

Question 33

34. Which Philippine wind farm is connected to Meralco’s distribution grid? a. Nabas Wind Farm b. Pililla Wind Farm c. San Lorenzo Wind Farm d. Puerto Galera Wind Farm

Answer 33

B

Question 34

35. Which wind farm is the first wind project to be nominated for the Philippine feed-in-tariff (FIT) scheme? a. Caparispisan Wind Farm b. Nabas Wind Farm c. Burgos Wind Farm d. Bangui Wind Farm

Answer 34

C

Question 35

36. What is the operator of the Burgos Wind Farm? a. North Luzon Renewable Energy Corporation b. EDC Burgos Wind Power Corporation (EBWPC) c. Ørsted d. PHESI

Answer 35

B

Question 36

37. Which wind farm supplies power to 20 barangays in Aklan? a. San Lorenzo Wind Farm b. Puerto Galera Wind Farm c. Nabas Wind Farm d. Bangui Wind Farm

Answer 36

C

Question 37

38. The Dogger Bank Wind Farm is located in which sea? a. North Sea b. South China Sea c. Baltic Sea d. West Philippine Sea

Answer 37

A

Question 38

39. What is the wind turbine model used in Pililla and San Lorenzo Wind Farms? a. Siemens SWT-3.0-101 b. Gamesa G90-2.0 MW c. Vestas V90-3 MW d. Vestas 2.2 MW

Answer 38

C

Question 39

40. Which offshore wind farm was the first in the world to exceed 1 GW capacity? a. Dogger Bank Wind Farm b. Hornsea Wind Farm c. Gansu Wind Farm d. Markbygden Wind Farm

Answer 39

B

Question 40

41. Which of the following is an advantage of onshore wind energy compared to offshore? a. Higher wind speeds b. More cost-effective c. Reduced environmental impact d. Higher generation capacity

Answer 40

B

Question 41

42. What is a key environmental benefit of wind energy? a. Increased greenhouse gas emissions b. Reduction in carbon emissions c. Higher water usage d. Soil contamination

Answer 41

B

Question 42

43. What is Betz’s Law related to? a. Solar energy efficiency b. Wind turbine efficiency limitations c. Geothermal energy output d. Biomass energy conversion

Answer 42

B

Question 43

44. Which renewable energy source has a more predictable daily cycle than wind energy? a. Hydropower b. Biomass energy c. Solar energy d. Geothermal energy

Answer 43

C

Question 44

45. What is a major challenge for wind energy due to its variability? a. High construction costs b. Intermittency c. Land requirements d. Wildlife impact

Answer 44

B

Question 45

46. The global wind energy market is expected to grow at a CAGR of what percentage in the next five years? a. 10.00% b. 25.66% c. 34.4% d. 45.66%

Answer 45

D

Question 46

47. What is a common cause of death for wind turbine technicians? a. Electrocution b. Falls c. Collisions with birds d. Ice throws

Answer 46

B

Question 47

48. What is the Renewable Energy Act in the Philippines primarily focused on? a. Regulating fossil fuel use b. Promoting renewable energy development c. Controlling electricity prices d. Managing water resources

Answer 47

B

Question 48

49. What is a feed-in tariff (FIT)? a. A tax on imported wind turbine equipment b. A guaranteed fixed rate for electricity from renewable source c. A policy to limit wind farm construction d. A program for training wind turbine technicians

Answer 48

B

Question 49

50. What is a "flying blade" incident related to wind turbines? a. Birds hitting turbine blades b. Ice forming on blades c. Pieces of blades breaking off and flying through the air d. Blades causing electrical fires

Answer 49

C

Question 50

51. What was the cause of turbine fire in Michigan’s Harvest Wind II (2019)? a. Bird collision b. Electrical fire c. Lightning d. Ice accumulation

Answer 50

B

Question 51

52. In the Juniper Canyon fire, what was a major challenge faced by firefighters? a. No water supply b. Radio interference c. Remote location and difficult terrain d. Wind turbine collapse

Answer 51

C

Question 52

53. In the Netherlands incident, what type of turbine caught fire? a. GE 3.6 b. Siemens 2.3 c. Vestas V-66 d. Mitsubishi MWT95

Answer 52

C

Question 53

54. What often makes offshore wind energy more complex than land-based wind? a. Easier installation b. Expensive grid interconnection and transmission c. Lack of environmental laws d. Low wind speeds

Answer 53

B

Question 54

55. Which Philippine law governs the development of renewable energy? a. Energy Safety Act b. Power Reform Act c. Renewable Energy Act d. Clean Air Act

Answer 54

C

Question 55

56. Under the Green Energy Option Programme, who can choose to get power from renewable sources? a. Farmers only b. Any resident c. Only government offices d. Users consuming at least 100kW

Answer 55

D

Question 56

57. What is an “ice throw” in wind energy? a. Ice being flung from the blades b. Ice generated by wind turbines c. Ice melting from the turbine base d. Ice formed inside turbine gears

Answer 56

A

Question 57

58. Which chemical engineering principle is used in calculating stress and fatigue in turbine blades? a. Electrochemistry b. Kinetics c. Thermodynamics d. Materials science

Answer 57

D

Question 58

59. Which of the following forces are critical in wind turbine blade design? a. Buoyancy and gravity b. Lift and drag c. Tension and compression d. Magnetic and electric

Answer 58

B

Question 59

60. In fluid mechanics, which tool is commonly used to simulate wind flow patterns? a. Bernoulli Equations b. Thermodynamic tables c. CFD (Computational Fluid Dynamics) d. Mass Spectrometry

Answer 59

C