B
What is the primary factor limiting the lifespan of a pressurized aircraft
a. Corrosion
b. Metal fatigue
c. Pressurization cycles
d. Engine wear
c. Pressurization Cycles
What is the primary function of a fuselage frame?
a. To provide lift
b. To maintain the fuselage shape
c. To carry aerodynamic loads
d. To absorb impact loads
b. To maintain the fuselage shape
What is the primary factor that influences the selection of materials for aircraft structures?
a. Cost
b. Weight
c. Strength-to-weight ratio
d. Ease of manufacturing
c. Strength-to-weight ratio
What is the primary factor limiting the maximum operating altitude of pressurized aircraft?
a. Engine power
b. Structural strength
c. Cabin pressurization system
d. Aerodynamic limitations
c. Cabin pressurization system
What is the primary cause of metal fatigue in aircraft structures?
a. Corrosion
b. Overloading
c. Cyclic loading
d. Extreme temperature changes
c. Cyclic loading
What is the primary purpose of a fail-safe design in aircraft structures?
a. To reduce weight
b. To improve performance
c. To prevent catastrophic failure
d. To lower manufacturing costs
c. To prevent catastrophic failure
What is the primary function of a stringer in a semi-monocoque fuselage?
a. To provide shear strength
b. To resist bending moments
c. To distribute loads to the skin
a. To provide shear strength
b. To resist bending moments
c. To distribute loads to the skin
What is the primary cause of corrosion in aircraft structures?
a. Exposure to salt water
b. Exposure to oxygen
c. Exposure to moisture
a. Exposure to salt water
b. Exposure to oxygen
c. Exposure to moisture
What is the primary factor that influences the design of an aircraft wing?
a. Lift
b. Drag
c. Weight
a. Lift
b. Drag
c. Weight
What is the primary purpose of a non-destructive inspection (NDI) technique?
a. To identify defects in materials
b. To measure material properties
c. To assess the residual strength of a structure
a. To identify defects in materials
b. To measure material properties
c. To assess the residual strength of a structure
Which of the following is NOT a primary load on an aircraft structure?
a. Aerodynamic load
b. Inertial load
c. Thermal load
d. Magnetic load
d. Magnetic load
What is the purpose of a bulkhead in a pressurized fuselage?
a. To divide the fuselage into compartments
b. To resist bending moments
c. To distribute cabin pressure loads
a. To divide the fuselage into compartments
b. To resist bending moments
c. To distribute cabin pressure loads
What is the primary purpose of a non-destructive inspection (NDI) technique?
a. To identify defects in materials
b. To measure material properties
c. To assess the residual strength of a structure
a. To identify defects in materials
b. To measure material properties
c. To assess the residual strength of a structure
What is the primary purpose of wing flaps?
a. To increase lift at low speeds
b. To reduce drag at high speeds
c. To control roll
d. To control yaw
a. To increase lift at low speeds
What is the primary factor that influences the selection of materials for aircraft structures?
a. Cost
b. Weight
c. Strength-to-weight ratio
d. Ease of manufacturing
c. Strength-to-weight ratio
What is the primary difference between a static load and a dynamic load?
a. Magnitude
b. Direction
c. Rate of application
d. Point of application
c. Rate of application
What is the primary difference between a rivet and a bolt?
a. Material strength
b. Load-bearing capacity
c. Permanence of the joint
d. Manufacturing process
c. Permanence of the joint
What is the primary factor that limits the maximum operating altitude of an aircraft?
a. Engine power
b. Structural strength
c. Cabin pressurization system
d. Aerodynamic limitations
c. Cabin pressurization system
What is the primary function of ailerons?
a. To increase lift at low speeds
b. To reduce drag at high speeds
c. To control roll
d. To control yaw
c. To control roll
What is the primary purpose of a hydraulic system in an aircraft?
a. To operate the controls
b. To retract and extend the landing gear
c. To operate the brakes
a. To operate the controls
b. To retract and extend the landing gear
c. To operate the brakes
Which of the following is NOT a common type of structural failure in aircraft?
a. Fatigue failure
b. Buckling failure
c. Yield failure
d. Creep failure
d. Creep failure
What is the primary purpose of a lightning strike protection system?
a. To prevent electrical fires
b. To protect electronic equipment
c. To dissipate electrical energy safely
d. To improve radio communication
c. To dissipate electrical energy safely
What is the primary factor that influences the design of an aircraft wing?
a. Lift
b. Drag
c. Weight
a. Lift
b. Drag
c. Weight
What is the primary function of the rudder?
a. To increase lift at low speeds
b. To reduce drag at high speeds
c. To control roll
d. To control yaw
d. To control yaw
What is the primary function of an electrical system in an aircraft?
a. To power the lights
b. To power the radios
c. To power the instruments
a. To power the lights
b. To power the radios
c. To power the instruments