When laying out a row of rivets, what is the minimum acceptable edge distance for a protruding-head rivet, expressed in rivet shank diameters?
Metallic Structures
Question · Easy
Spongy brake pedal?
Short
Minimum rivet edge distance
Flashcard
Which heat-treated aluminum-alloy rivets are commonly called 'icebox rivets' because cold storage retards their age hardening after heat treatment?
Chapter 1: Introduction & Exam Strategy
1.1 Exam Structure, Eligibility & 14 CFR Part 65 Requirements
Study guide
The standard universal shop head formed on a properly driven solid rivet should be approximately what dimensions relative to the original shank diameter (D)?
Minimum rivet pitch and row spacing
What is the purpose of dimpling thin sheet metal before installing a flush (countersunk) rivet?
In sheet-metal bend layout, the term 'setback' refers to the distance from which point to the bend tangent line?
Question · Hard
Bend allowance and the neutral axis
For a 90-degree bend, setback equals the bend radius plus which other value?
1.2 Study Strategy, Blueprint Weighting & Core Formulas
What is the primary advantage of using alclad aluminum sheet for airframe skins?
Correct oxyacetylene flame for welding 4130 steel tube
When repairing a damaged stressed-skin structure, the strength of a patch should be designed to do which of the following?
Which inspection method is most appropriate for detecting subsurface delamination in a composite honeycomb sandwich panel?
Non Metallic Structures
Condemnation limit for aircraft fabric strength
Non-Metallic Structures
In a fiber-reinforced composite laminate, the primary purpose of the matrix (resin) is to do what?
Chapter 2: Metallic Structures & Sheet Metal Repair
2.1 Aluminum Alloys, Heat Treatment & Rivet Identification
When a composite repair calls for plies oriented at 0, plus-45, minus-45, and 90 degrees, the ply orientation must be matched to which reference?
Why fabric finishes are aluminum pigmented
What tool is used to remove the sharp burr left around a drilled rivet hole before the rivet is installed?
A rivet that, after driving, shows a shop head that is cracked or split should be treated how?
Grain slope limit for aircraft wood
What is the purpose of a microstop (microshave) countersink cage when machine countersinking for flush rivets?
2.2 Rivet Layout, Edge Distance, Spacing & Driving Standards
When installing a retractable main landing gear, what is the primary function of the down-lock mechanism?
Landing Gear Systems
Coin tap (audible sonic) testing of composites
An air/oil (oleo) shock strut absorbs landing energy primarily by which action?
After the fluid-servicing procedure is complete, what should determine the nitrogen charge and final extension of an air/oil shock strut?
Reading control cable tension correctly
Flight Controls
What is the function of a torque link (scissors) on a landing gear shock strut?
2.3 Sheet Metal Layout: Bend Allowance, Setback & Forming
A nose-wheel shimmy damper functions to do what?
Turnbuckle installation limit
In a hydraulic disc brake system, the device that prevents brake lock-up by sensing rapid wheel deceleration is the:
Spongy brake pedal action in an aircraft hydraulic brake system is most commonly caused by:
When a control surface must be rebalanced
Aircraft tires are typically inflated with dry nitrogen rather than compressed air primarily to:
2.4 Sheet Metal Inspection, Damage Evaluation & Flush/Lap Repairs
When a retractable landing gear fails to extend hydraulically, the system that allows the gear to be lowered is the:
Annual versus 100-hour inspection
Airframe Inspection
The squat switch (weight-on-wheels switch) on the landing gear is used to:
What component in an aircraft hydraulic system stores fluid under pressure and dampens pressure surges?
Hydraulic And Pneumatic Systems
Exceeding the 100-hour interval
In an aircraft hydraulic system, the component that limits maximum system pressure by relieving fluid back to the reservoir is the:
Chapter 3: Non-Metallic Structures: Composites, Wood, Fabric & Transparent Plastics
3.1 Advanced Composites: Fiber Types, Resin Matrices & Core Materials
A sequence valve in a landing gear hydraulic system is used to:
Question · Medium
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