Georgia Wind Turbine Technician Exam
Questions And Correct Answers (Verified
Answers) Plus Rationales 2026 Q&A | Instant
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1. What is the primary function of a wind turbine gearbox?
A. Convert electrical energy to mechanical energy
B. Increase rotor speed to generator speed
C. Reduce generator speed to rotor speed
D. Control yaw movement
Answer: B
The gearbox increases the low rotational speed of the rotor to the
higher speed required by the generator.
2. Which component adjusts the turbine to face the wind?
A. Pitch system
B. Brake system
C. Yaw system
D. Nacelle cover
Answer: C
The yaw system rotates the nacelle so the rotor faces the wind
direction.
3. What type of brake is typically used as the primary safety brake on
modern turbines?
A. Hydraulic disc brake
B. Drum brake
, C. Magnetic brake
D. Mechanical band brake
Answer: A
Hydraulic disc brakes are commonly used for stopping the rotor
during emergencies or maintenance.
4. The purpose of blade pitch control is to:
A. Change tower height
B. Optimize rotor speed and power output
C. Control yaw direction
D. Reduce gearbox noise
Answer: B
Pitch control adjusts blade angle to regulate power and protect
the turbine in high winds.
5. Which wind speed range allows a turbine to begin producing
power?
A. Cut-out speed
B. Rated speed
C. Cut-in speed
D. Survival speed
Answer: C
Cut-in speed is the minimum wind speed at which the turbine
starts generating electricity.
6. What happens when wind speed exceeds cut-out speed?
A. Turbine increases output
B. Turbine shuts down for safety
C. Blades flatten completely
D. Generator reverses rotation
, Answer: B
Turbines shut down at cut-out speed to prevent structural
damage.
7. Which personal protective equipment is MOST critical when
working at height on a turbine?
A. Steel-toe boots
B. Hard hat
C. Fall arrest harness
D. Safety glasses
Answer: C
Fall arrest harnesses are essential to prevent fatal falls when
working at elevation.
8. What is the main purpose of the nacelle?
A. Support the tower
B. House mechanical and electrical components
C. Anchor the foundation
D. Control blade aerodynamics
Answer: B
The nacelle contains the gearbox, generator, and control systems.
9. Which component converts mechanical rotation into electrical
energy?
A. Rotor hub
B. Gearbox
C. Generator
D. Transformer
Answer: C
The generator produces electrical power from mechanical motion.
Questions And Correct Answers (Verified
Answers) Plus Rationales 2026 Q&A | Instant
Download Pdf
1. What is the primary function of a wind turbine gearbox?
A. Convert electrical energy to mechanical energy
B. Increase rotor speed to generator speed
C. Reduce generator speed to rotor speed
D. Control yaw movement
Answer: B
The gearbox increases the low rotational speed of the rotor to the
higher speed required by the generator.
2. Which component adjusts the turbine to face the wind?
A. Pitch system
B. Brake system
C. Yaw system
D. Nacelle cover
Answer: C
The yaw system rotates the nacelle so the rotor faces the wind
direction.
3. What type of brake is typically used as the primary safety brake on
modern turbines?
A. Hydraulic disc brake
B. Drum brake
, C. Magnetic brake
D. Mechanical band brake
Answer: A
Hydraulic disc brakes are commonly used for stopping the rotor
during emergencies or maintenance.
4. The purpose of blade pitch control is to:
A. Change tower height
B. Optimize rotor speed and power output
C. Control yaw direction
D. Reduce gearbox noise
Answer: B
Pitch control adjusts blade angle to regulate power and protect
the turbine in high winds.
5. Which wind speed range allows a turbine to begin producing
power?
A. Cut-out speed
B. Rated speed
C. Cut-in speed
D. Survival speed
Answer: C
Cut-in speed is the minimum wind speed at which the turbine
starts generating electricity.
6. What happens when wind speed exceeds cut-out speed?
A. Turbine increases output
B. Turbine shuts down for safety
C. Blades flatten completely
D. Generator reverses rotation
, Answer: B
Turbines shut down at cut-out speed to prevent structural
damage.
7. Which personal protective equipment is MOST critical when
working at height on a turbine?
A. Steel-toe boots
B. Hard hat
C. Fall arrest harness
D. Safety glasses
Answer: C
Fall arrest harnesses are essential to prevent fatal falls when
working at elevation.
8. What is the main purpose of the nacelle?
A. Support the tower
B. House mechanical and electrical components
C. Anchor the foundation
D. Control blade aerodynamics
Answer: B
The nacelle contains the gearbox, generator, and control systems.
9. Which component converts mechanical rotation into electrical
energy?
A. Rotor hub
B. Gearbox
C. Generator
D. Transformer
Answer: C
The generator produces electrical power from mechanical motion.
