11.3 A fuselage Flashcards by John Watts

What type of fuselage construction is used in most modern aircraft?
A. Truss type
B. Semi-monocoque
C. Monocoque only

B. Semi-monocoque

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What does the fuselage provide space for?
A. Just passengers and fuel
B. Only the engine and wings
C. Flight crew, passengers, cargo, controls, and other items

C. Flight crew, passengers, cargo, controls, and other items

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What are the three main types of aircraft fuselage construction?
A. Truss, Monocoque, Semi-monocoque
B. Truss, Composite, Modular
C. Monocoque, Reinforced, Tubular

A. Truss, Monocoque, Semi-monocoque

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What is a truss in aircraft fuselage construction?
A. A single solid frame
B. A shape made of fabric
C. A rigid structure made of joined members

C. A rigid structure made of joined members

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How are the longerons connected in a Warren truss?
A. With horizontal wires
B. With diagonal members
C. With vertical bars only

B. With diagonal members

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What do the members in a Warren truss alternate between under load?
A. Expansion and contraction
B. Heat and cold
C. Tension and compression

C. Tension and compression

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What helps form the smooth, aerodynamic shape of a truss fuselage?
A. Flat metal panels
B. A non-load carrying superstructure and fabric covering
C. Curved steel plates

B. A non-load carrying superstructure and fabric covering

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What carries the loads in stressed skin construction?
A. The internal framework
B. The exterior skin
C. The wings

B. The exterior skin

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What issue does pressurisation cause in the fuselage?
A. Increased drag
B. Metal fatigue
C. Engine failure

B. Metal fatigue

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What are two types of sealant application methods used on aircraft fuselages?
A. Faying seal and Bonding seal
B. Faying seal and Fillet seal
C. Pressure seal and Edge seal

B. Faying seal and Fillet seal

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Where would you use a Faying Seal on an aircraft?
A. For joining a stringer to the skin
B. For overlapping metal parts, such as joggled joints
C. For sealing windows and doors

B. For overlapping metal parts, such as joggled joints

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Where would you use a Fillet Seal on an aircraft?
A. When two pieces of metal are joined together, such as a stringer to the skin
B. When two overlapping metal parts form a joggled joint
C. When sealing the windows to the fuselage

A. When two pieces of metal are joined together, such as a stringer to the skin

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How are electrical cables sealed when passing through pressure bulkheads on an aircraft?
A. With specially designed rubber or silicone seals or sealant plates
B. With metal clamps
C. Using adhesive tape

A. With specially designed rubber or silicone seals or sealant plates

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What is used to carry the loads from the wings and transfer them to the fuselage?
A. Engine pylons
B. Strong fuselage frames or bulkheads
C. Control cables

B. Strong fuselage frames or bulkheads

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Where are fittings or lugs mounted on an aircraft’s fuselage for wing attachment?
A. On the tail section and control surfaces
B. On the frame mate, and on the forward and aft wing spar
C. On the landing gear and engine pylons

B. On the frame mate, and on the forward and aft wing spar

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How is the vertical stabiliser typically attached to the fuselage?
A. Using welded joints
B. Using bolted fittings on a frame member or bulkhead
C. Using adhesive glue

B. Using bolted fittings on a frame member or bulkhead

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Where are the attachment fittings typically located on the stabiliser?
A. On the wing spar
B. On the front and rear spars
C. On the fuselage skin

B. On the front and rear spars

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What does the pylon transfer to the airframe?
A. Aerodynamic lift
B. Thrust generated by the engines
C. Fuel from the wings

B. Thrust generated by the engines

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What is the purpose of the nacelle attached to the pylon?
A. To store fuel
B. To house the engine and its components
C. To improve wing efficiency

B. To house the engine and its components

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How is the pylon structure typically built on most aircraft?
A. It is built downward from the fuselage
B. It is built outwards and forward from the wing spars
C. It is built upwards from the tail section

B. It is built outwards and forward from the wing spars

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What are the structural members of the pylon called?
A. Frames
B. Spars (upper, middle, and lower)
C. Stringers

B. Spars (upper, middle, and lower)

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Why is the lower wing lug considered a critical component on the wing?
A. It helps with aerodynamics
B. It is a key attachment point for the pylon
C. It supports the fuel system

B. It is a key attachment point for the pylon

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Where is the attachment point for the landing gear on many aircraft?
A. To the tail section
B. To the wing spar(s) or a framework attached to the spars
C. To the fuselage only

B. To the wing spar(s) or a framework attached to the spars

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Why must wing spars be strong on an aircraft?
A. To support the entire weight of the aircraft while in flight
B. To reduce drag during takeoff
C. To support the engine pylons

A. To support the entire weight of the aircraft while in flight

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What are seat tracks in an aircraft used for? A. To store luggage B. To secure passenger and flight crew seats using quick-release fasteners C. To attach the wings to the fuselage

B. To secure passenger and flight crew seats using quick-release fasteners

What is the function of seat track fittings? A. To store the seats when not in use B. To secure the seats and allow adjustable spacing for legroom or between rows C. To attach the wings to the fuselage

B. To secure the seats and allow adjustable spacing for legroom or between rows

What is the purpose of the spring-loaded pin in the seat track fitting system? A. To attach the seats to the cargo hold B. To lock the seat in position once the stud portions are slid under the track C. To adjust the height of the seats

B. To lock the seat in position once the stud portions are slid under the track

What are the two types of seat tracks commonly used in aircraft? A. L-tracks and I-tracks B. A-tracks and B-tracks C. R-tracks and S-tracks

A. L-tracks and I-tracks

What equipment is commonly used to move cargo in and out of the aircraft? A. Ball-mats and Power Drive Units (PDUs) B. Conveyor belts only C. Manual lifting equipment

A. Ball-mats and Power Drive Units (PDUs)

Which of the following is used to prevent cargo from shifting during flight and ground operations? A. Seat track fasteners B. Webbing nets C. Cargo pallets

B. Webbing nets

What additional cargo compartment do some aircraft have besides the forward and aft main compartments? A. Upper cargo compartment B. Bulk cargo compartment C. Lower cargo hold

B. Bulk cargo compartment

Which axis is used for the forward and back movement of cargo in an aircraft? A. X-axis B. Y-axis C. A-axis

A. X-axis

Which axis allows for the left and right movement of cargo in an aircraft? A. X-axis B. Y-axis C. A-axis

B. Y-axis

Which axis is used for the up and down movement of cargo in an aircraft? A. X-axis B. Y-axis C. Z-axis

C. Z-axis

What is the primary function of the Cargo Loading System in an aircraft? A. To increase the aircraft's weight capacity B. To restrain, guide, and transport Unit Load Devices (ULDs) C. To improve the fuel efficiency of the aircraft

B. To restrain, guide, and transport Unit Load Devices (ULDs)

What is the purpose of outboard and centreline restraints in the cargo loading system? A. To guide cargo through the fuselage B. To lock cargo in place during flight C. To prevent engine overheating

B. To lock cargo in place during flight

Which of the following components allows for omni-directional handling of ULDs in the cargo loading system? A. Ball mats B. Roller rails C. Side guides

A. Ball mats

What does the Anti-Roll-Out (ARO) device do when a ULD is transferred into the cargo compartment? A. Automatically locks the ULD in place B. Automatically lifts to prevent the ULD from falling out of the aircraft C. Reduces cargo weight

B. Automatically lifts to prevent the ULD from falling out of the aircraft

How is the cargo compartment's loading system controlled? A. By a remote control B. Using a position control stick on a panel at the cargo entrance area C. By a voice-activated system

B. Using a position control stick on a panel at the cargo entrance area

What does ARO stand for in the context of cargo loading systems? A. Automated Roll-Out B. Anti-Roll-Out C. Aircraft Restraint Operator

B. Anti-Roll-Out

What is the purpose of Main Entry Doors (MEDs)? A. To store cargo B. For passenger loading/unloading and emergency exits C. To service engines

B. For passenger loading/unloading and emergency exits

What type of aircraft door is typically used for the toilet waste system? A. Cargo door B. Service door C. Main Entry Door

B. Service door

Where are cargo doors typically located? A. On the wings B. In the cockpit C. Forward, aft, and bulk cargo compartments

C. Forward, aft, and bulk cargo compartments

What type of door uses cabin pressure to seal itself? A. Plug type B. Sliding type C. Hatch type

A. Plug type

Why can’t cargo doors be plug type doors? A. They are too small B. Plug types doors open inward and take up too much space C. They are not allowed by regulations

B. Plug types doors open inward and take up too much space

What side of the aircraft are Passenger Entry Doors (PEDs) usually located on? A. Left side B. Right side C. Bottom of the aircraft

A. Left side

What type of locking mechanism do non-plug cargo doors use? A. Magnetic seal B. Zipper system C. Multiple pins or latches

C. Multiple pins or latches

What are the doors on the right side of the aircraft mainly used for? A. Passenger boarding B. Cargo loading C. Galley servicing

C. Galley servicing

What does the pressure stop pin do? A. Opens the door during an emergency B. Adjusts the door’s position and holds it flush with the fuselage C. Locks the door during flight

B. Adjusts the door’s position and holds it flush with the fuselage

What are the main components that strengthen the door structure? A. Hinges, springs, and levers B. Beams, formers, and intercostals C. Wires, panels, and screws

B. Beams, formers, and intercostals

How does the door frame stop hold the door closed when the cabin is pressurized? A. Using a magnetic seal B. Using a pressure stop pin C. Using a locking bolt

B. Using a pressure stop pin

What is the main function of pressure seals on aircraft doors? A. To stop light transmission B. To stop pressurisation air leaks C. To reduce thermal transmission

B. To stop pressurisation air leaks

What is the function of light seals on aircraft doors? A. To reduce noise transmission B. To stop pressurisation air leaks C. To stop light transmission

C. To stop light transmission

What do acoustic seals on aircraft doors do? A. Improve aerodynamic smoothness B. Reduce noise transmission C. Stop pressurisation air leaks

B. Reduce noise transmission

What is the purpose of thermal seals on aircraft doors? A. To stop pressurisation air leaks B. To improve aerodynamic smoothness C. To reduce thermal transmission

C. To reduce thermal transmission

What do aerodynamic seals on aircraft doors improve? A. Cabin temperature B. Fuel efficiency and smooth airflow C. Pressurisation air leaks

B. Fuel efficiency and smooth airflow

What happens to some types of door seals when the door is closed and the aircraft is pressurised? A. They deflate B. They inflate C. They remain the same size

B. They inflate

What does the interior handle allow you to do? A. Open and close the door from the outside B. Open and close the door from inside without using the exterior handle C. Lock the door

B. Open and close the door from inside without using the exterior handle

Where is the outside door handle located? A. On the top of the door B. In a recess, flush with the outer skin C. On the inside of the door

B. In a recess, flush with the outer skin

What is crucial for controlling access to the flight deck? A. Making sure the door is always unlocked B. Ensuring only authorized personnel can access the flight deck C. Installing a sliding door

B. Ensuring only authorized personnel can access the flight deck

In flight, when must the flight deck door remain locked? A. Only when the aircraft is on the ground B. Always, unless there is a legitimate reason to open it C. Only during takeoff and landing

B. Always, unless there is a legitimate reason to open it

What must the flight deck door be capable of, according to ICAO Annex 6? A. Being opened with a key from the outside B. Resisting small arms fire, grenade shrapnel, and forcible intrusions by unauthorized persons C. Being automatically locked during flight

B. Resisting small arms fire, grenade shrapnel, and forcible intrusions by unauthorized persons

what must the flight deck door be capable of? A. Being locked and unlocked from either flight crew station B. Being opened automatically during emergencies C. Being operated only from the outside

A. Being locked and unlocked from either flight crew station

If the flight deck door is opened, how long must it remain open according to the regulations? A. Until the flight is complete B. Only long enough for someone to pass through it C. As long as needed for the crew to exchange information

B. Only long enough for someone to pass through it

Which materials are used in the construction of flight deck doors? A. Aluminum and fiberglass B. Kevlar and Dyneema C. Wood and plastic

B. Kevlar and Dyneema

What happens when an emergency exit door is opened in "Armed mode"? A. The door automatically locks B. The emergency escape slide is deployed C. The door automatically closes

B. The emergency escape slide is deployed

What must be done before attempting to open an emergency exit door on the ground? A. Ensure the door is properly sealed B. Disarm the escape slide system C. Activate the flight crew alarm

B. Disarm the escape slide system

What is the purpose of the "CABIN PRESSURE" indicator before opening an aircraft door? A. To signal when the door is locked B. To ensure the cabin pressure is safe for opening the door C. To alert passengers when the flight is ending

B. To ensure the cabin pressure is safe for opening the door

Where is the emergency escape slide stowed on the Main Entry Doors (MEDs)? A. At the top of the door B. At the bottom inside of the door structure C. In the aircraft's cargo hold

B. At the bottom inside of the door structure

What activates the emergency escape slide when the door is opened? A. A gas-inflated mechanism B. The “girt bar” attached to the door frame C. A switch on the outside of the door

B. The “girt bar” attached to the door frame

How is the girt bar mechanism controlled? A. By a manual lever inside the cabin B. By the mode selector lever (Armed/Disarmed) C. By an automatic system based on the altitude

B. By the mode selector lever (Armed/Disarmed)

What safety device must be installed to prevent inadvertent operation of emergency escape slides during maintenance or flight servicing? A. Safety pin in the mode selector lever B. Safety net on the door C. Locking mechanism on the door handle

A. Safety pin in the mode selector lever

What type of cargo door typically opens inwards and is operated manually? A. A side cargo door B. A bulk cargo door C. A forward cargo door

B. A bulk cargo door

How does the cargo door locking mechanism secure the door when it is closed? A. By a simple manual lock B. By rotating locking hooks inside the door and engaging door pins C. By using an automatic locking system

B. By rotating locking hooks inside the door and engaging door pins

What is the purpose of the witness ports on the cargo door? A. To monitor the aircraft’s temperature B. To confirm that all latches have fully engaged C. To measure the cabin pressure

B. To confirm that all latches have fully engaged

Where are the witness ports with indication markings typically located on the cargo door? A. On the top edge of the door B. On the bottom edge of the cargo door C. On the door handle

B. On the bottom edge of the cargo door

Where is the bulk cargo door typically located? A) On the left side of the aircraft B) On the right side, behind the aft cargo door C) In the cockpit area

B) On the right side, behind the aft cargo door

What is the primary purpose of proximity devices on aircraft doors? A) To assist in opening doors B) To ensure doors are securely locked for flight C) To provide manual control over door latches

B) To ensure doors are securely locked for flight

What type of mechanism is typically used to open the bulk cargo door? A) Plug type B) Sliding type C) Rolling type

A) Plug type

How many proximity devices are typically installed on each door? A) One B) Several C) None

B) Several

What material are passenger cabin windows typically made of? A) Acrylic plastic or similar material B) Glass only C) Aluminum

A) Acrylic plastic or similar material

How many layers of plastic do most passenger windows have as part of the failsafe design? A) One B) Two C) Three

B) Two

What is the purpose of the small vent hole in the inner windowpane? A) To allow air to circulate inside the cabin B) To equalize the pressure between the panes and prevent misting C) To allow passengers to open the window

B) To equalize the pressure between the panes and prevent misting

What is the function of the third non-structural pane in the window design? A) To protect the outer pane from damage B) To protect the inner windowpane and reduce noise C) To increase the strength of the window

B) To protect the inner windowpane and reduce noise

What should be used to clean the passenger windows? A) Abrasive materials B) A mixture of water with mild soap or isopropanol C) Strong chemical cleaners

B) A mixture of water with mild soap or isopropanol

What are the two parts of the passenger window panes? A) Inner and outer pane B) Inner and outer frame C) Outer frame and vent hole

A) Inner and outer pane

What happens if the outer pane of the passenger window fails and breaks? A) The inner pane can carry the full differential pressure B) The cabin pressure increases C) The window is no longer functional

A) The inner pane can carry the full differential pressure

What material are the flight deck windows usually constructed from? A) Laminations of tempered glass and plastic B) Single-pane glass C) Acrylic plastic only

A) Laminations of tempered glass and plastic

What is the purpose of the sliding flight deck windows? A) To allow passengers to open the window during flight B) To serve as emergency exits and provide direct vision of the ground C) To regulate cabin pressure

B) To serve as emergency exits and provide direct vision of the ground

What is the purpose of the alert switch at the top of the openable/sliding window? A) To indicate that the window is locked B) To provide flight indication that the window is open C) To alert the crew when the window is closed

B) To provide flight indication that the window is open

What types of damage are commonly found on flight deck windows? A) Fading and discoloration B) Delamination and bubbles, chips, cracking, or scratches C) Paint peeling and discoloration

B) Delamination and bubbles, chips, cracking, or scratches

What is delamination in flight deck windows? A) The peeling of the outer coating B) The separation of glass or acrylic layers from the interlayer C) The buildup of ice on the window

B) The separation of glass or acrylic layers from the interlayer

How can delamination be identified on the window? A) By looking for a foggy appearance B) By examining the window at an angle and seeing a shiny, flat bubble C) By checking for cracks or chips

B) By examining the window at an angle and seeing a shiny, flat bubble

When must the windshield be replaced? A) When there are bubbles in the vinyl layer B) When the bubbles decrease the visual quality of the window C) When there is a crack in the window

B) When the bubbles decrease the visual quality of the window

What is a chip in the windshield? A) A crack along a line in the window B) The removal of material from the surface of the windowpane, not along a line C) A scratch on the surface of the window

B) The removal of material from the surface of the windowpane, not along a line

What type of damage is referred to as "crazing" on a passenger window? A) Small fissures that often start from small scratches in the face of the window B) Large cracks visible along the window C) The removal of material along a line on the surface of the window

A) Small fissures that often start from small scratches in the face of the window

For allowable repairs to the passenger window, where should you refer? A) The manufacturer’s manual B) Aircraft Maintenance Manual (AMM) C) The flight crew guidelines

B) Aircraft Maintenance Manual (AMM)

What should be used to keep the window surface cool during repairs? A) Air conditioning B) Water to flush away grit and acrylic material C) A heat-resistant cloth

B) Water to flush away grit and acrylic material

What direction should the sanding be done to repair the damage? A) Only in one direction B) In the horizontal direction first, then in the vertical direction C) In circular motions

B) In the horizontal direction first, then in the vertical direction

11.3 A fuselage Flashcards

(99 cards)