WIND TURBINE TECHNICIAN
CERTIFICATION EXAM Questions with
Correct Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
Download Pdf
1.
What is the primary function of a wind turbine?
A. Store electrical energy
B. Convert wind kinetic energy into electrical energy
C. Burn fuel for electricity
D. Compress air for cooling
Correct Answer: B
Wind turbines convert kinetic wind energy into electrical power.
2.
What is the main component that captures wind energy?
A. Generator
B. Rotor blades
C. Transformer
D. Gearbox
Correct Answer: B
Blades convert wind force into rotational energy.
3.
,What is the function of the gearbox in a wind turbine?
A. Reduces voltage
B. Increases rotor speed for generator
C. Stores energy
D. Controls yaw movement
Correct Answer: B
Increases low-speed rotor rotation to high-speed generator input.
4.
What is yaw system purpose?
A. Adjust blade angle
B. Turn turbine to face wind direction
C. Increase voltage
D. Control generator temperature
Correct Answer: B
Keeps rotor aligned with wind.
5. (Case-Based)
A turbine is not turning even though wind speed is high. First check?
A. Blade color
B. Emergency stop and control system faults
C. Tower height
D. Transformer size
Correct Answer: B
Safety shutdown or control fault is most likely cause.
6.
What is pitch control system function?
,A. Controls tower height
B. Adjusts blade angle for efficiency
C. Controls wiring
D. Stores energy
Correct Answer: B
Optimizes aerodynamic performance.
7.
What happens in high wind conditions?
A. Turbine increases speed indefinitely
B. Blades pitch to reduce aerodynamic load
C. Generator shuts off permanently
D. Gearbox disconnects
Correct Answer: B
Prevents mechanical damage.
8.
What is nacelle?
A. Base foundation
B. Housing that contains generator and gearbox
C. Blade tip
D. Electrical grid
Correct Answer: B
Protects main mechanical and electrical components.
9.
What is tower function?
, A. Generates electricity
B. Supports turbine at height
C. Controls voltage
D. Stores oil
Correct Answer: B
Elevates turbine to higher wind speeds.
10.
What is wind shear?
A. Blade failure
B. Change in wind speed with height
C. Electrical fault
D. Gearbox damage
Correct Answer: B
Wind speed increases with altitude.
11.
What is a doubly-fed induction generator (DFIG)?
A. Hydraulic system
B. Generator allowing variable speed operation
C. Mechanical brake
D. Battery system
Correct Answer: B
Common in modern turbines.
12.
What is slip ring used for?
CERTIFICATION EXAM Questions with
Correct Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
Download Pdf
1.
What is the primary function of a wind turbine?
A. Store electrical energy
B. Convert wind kinetic energy into electrical energy
C. Burn fuel for electricity
D. Compress air for cooling
Correct Answer: B
Wind turbines convert kinetic wind energy into electrical power.
2.
What is the main component that captures wind energy?
A. Generator
B. Rotor blades
C. Transformer
D. Gearbox
Correct Answer: B
Blades convert wind force into rotational energy.
3.
,What is the function of the gearbox in a wind turbine?
A. Reduces voltage
B. Increases rotor speed for generator
C. Stores energy
D. Controls yaw movement
Correct Answer: B
Increases low-speed rotor rotation to high-speed generator input.
4.
What is yaw system purpose?
A. Adjust blade angle
B. Turn turbine to face wind direction
C. Increase voltage
D. Control generator temperature
Correct Answer: B
Keeps rotor aligned with wind.
5. (Case-Based)
A turbine is not turning even though wind speed is high. First check?
A. Blade color
B. Emergency stop and control system faults
C. Tower height
D. Transformer size
Correct Answer: B
Safety shutdown or control fault is most likely cause.
6.
What is pitch control system function?
,A. Controls tower height
B. Adjusts blade angle for efficiency
C. Controls wiring
D. Stores energy
Correct Answer: B
Optimizes aerodynamic performance.
7.
What happens in high wind conditions?
A. Turbine increases speed indefinitely
B. Blades pitch to reduce aerodynamic load
C. Generator shuts off permanently
D. Gearbox disconnects
Correct Answer: B
Prevents mechanical damage.
8.
What is nacelle?
A. Base foundation
B. Housing that contains generator and gearbox
C. Blade tip
D. Electrical grid
Correct Answer: B
Protects main mechanical and electrical components.
9.
What is tower function?
, A. Generates electricity
B. Supports turbine at height
C. Controls voltage
D. Stores oil
Correct Answer: B
Elevates turbine to higher wind speeds.
10.
What is wind shear?
A. Blade failure
B. Change in wind speed with height
C. Electrical fault
D. Gearbox damage
Correct Answer: B
Wind speed increases with altitude.
11.
What is a doubly-fed induction generator (DFIG)?
A. Hydraulic system
B. Generator allowing variable speed operation
C. Mechanical brake
D. Battery system
Correct Answer: B
Common in modern turbines.
12.
What is slip ring used for?
