Aircraft Maintenance Tools Quiz

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Questions and Answers

What is the primary purpose of a vernier caliper in aircraft maintenance?

Measuring large distances

Laying out circles and arcs

Checking the accuracy of right angles

Measuring diameter and thickness (correct)

Which tool is specifically designed for making small indentations in metal?

Scribe

Pin Punch

Divider

Center Punch (correct)

What is the function of a micrometer caliper?

Measuring the length of joints

Laying out circular shapes

Measuring the thickness of sheet metal (correct)

Measuring the diameter of screws

Which of the following tools is used for marking reference points on a material?

Scribe Signup and view all the answers

What tool would you use to check the accuracy of 90-degree corner joints in construction?

Framing Square Signup and view all the answers

Which tool would be best for measuring clearances between two surfaces?

Thickness Gauge Signup and view all the answers

What is the primary use of a combination square?

Marking 45- and 90-degree angles Signup and view all the answers

Which tool is best suited for driving bolts, rivets, or pins from tight fitting holes?

Pin Punch Signup and view all the answers

What is the primary use of a ball peen hammer?

Bending and shaping metal Signup and view all the answers

Which hammer is specifically designed for close work on concave surfaces?

Reverse Curve Hammer Signup and view all the answers

What type of scissors are designed for cutting metal sheets?

Aviation Snips Signup and view all the answers

Which cutting tool is also known as a 'Fly Cutter'?

Circle Cutter Signup and view all the answers

What does a tube cutter include to assist in making cuts?

Spare cutting wheel and foldaway reamer Signup and view all the answers

Which chisel is used primarily for cleaning out corners and hard-to-reach places?

Diamond-point Chisel Signup and view all the answers

What is the primary purpose of a triangular file?

To trim and sharpen edges in hard-to-reach places Signup and view all the answers

What type of file is effective for cutting through fiberglass and composites without loading up?

Dual Vixen File Signup and view all the answers

Which type of file is best suited for filing inside of rings?

Half-Round File Signup and view all the answers

Which hammer is used for driving chisels?

Mallet Signup and view all the answers

Which of the following files is primarily used for precise woodworking tasks?

Backsaw Signup and view all the answers

What is a key feature of aircraft extension drill bits?

They resist bending and buckling under torsional loads Signup and view all the answers

Which drill is powered by compressed air?

Pneumatic Drill Gun Signup and view all the answers

What distinguishes cobalt drill bits from standard drill bits?

They are used for drilling tough materials like stainless steel Signup and view all the answers

Which type of file is typically used for roughing material quickly?

Square File Signup and view all the answers

Which cutting tool is specifically designed for curvilinear cuts?

Coping Saw Signup and view all the answers

What is the primary function of a breaker bar in hand tools?

To loosen a tight nut by swinging the handle Signup and view all the answers

Which type of screwdriver is specifically designed to access screws in tight spaces?

Offset Screwdriver Signup and view all the answers

What is the role of a bucking bar in the riveting process?

To form the bucktail on a rivet after driving Signup and view all the answers

Which tool is used for securing bolts or hardware that are subject to vibration?

Safety Wire Signup and view all the answers

What function does an Allen wrench serve in hand tools?

To drive screws with a hexagonal socket in their head Signup and view all the answers

What is the primary purpose of cobalt drill bits?

To drill through tough materials Signup and view all the answers

Which tool is ideal for clamping and holding metal?

Machinist’s Vice Signup and view all the answers

Which of the following is true about Aircraft Extension Drill Bits?

They are designed for unsupported drilling. Signup and view all the answers

What distinguishes the Adjustable-End Wrench from other wrenches?

It adapts to fit various sizes. Signup and view all the answers

What is the function of a ratchet handle in a socket wrench?

It snaps into place for a secure fit. Signup and view all the answers

What is a characteristic feature of Box-End Wrenches?

They have a closed, toothed head. Signup and view all the answers

How does a Wire-Crimping Tool function?

It pressures clamps solderless connectors to electrical wire. Signup and view all the answers

What makes black oxide coating beneficial for tools?

It increases resistance to corrosion. Signup and view all the answers

Study Notes

Introduction

Hand tools are essential for inspecting, maintaining, and repairing aircraft structures and components.
Maintenance technicians must understand the correct use and care of tools.
Safety is a primary consideration when using any tool or measuring device.

Measuring and Layout Tools

Vernier Caliper: Measures diameter and thickness.
Micrometer Caliper: Measures sheet metal thickness and cylindrical object roundness.
Divider: Lays out circles and arcs on materials.
Thickness Gauge: Measures clearances between surfaces.
Center Punch: Creates indentations for starter holes in metal.
Pin Punch: Drives bolts, rivets, or pins from tight holes.
Prick Punch: Marks locations on metal parts.
Tape Measure: General tool for measuring distances.
Tri Square: Guides for marking 90-degree angles.
Combination Square: Marks 45- and 90-degree angles.
Bevel Protractor: Adjustable tool for marking angles from 0 to 90 degrees.
Framing Square: Checks accuracy of 90-degree joints.
Bevel Set: Transfers angles between workpieces.
Scribe: Marks reference points using layout dye.

Hammers

Ball Peen Hammer: Used for shaping metal and seating rivets.
Mallet: Designed for driving chisels without marring surfaces.
Bumping Hammer: Power-driven hammer for sheet metal work.
Pick and Finish Hammer: Avoids marring, used for cosmetic finishes.
Reverse Curve Hammer: Designed for concave and recessed surfaces.

Cutting Tools

Scissors: Cut paper and fabric.
Aviation Snips: Color-coded for cutting specific directions (Yellow for straight, Red for left, Green for right).
Mini Offset Snips: For cutting in tight spaces.
Circle Cutter/Fly Cutter: Cleans holes from 1” to 5-1/2” in various materials.
Tube Cutter: Cuts tubes cleanly without burrs, sizes from 1/4” to 1-5/8”.
Cold Chisel: Cuts through mild steel and nonferrous metals.
Various Types of Chisels: Include round-nose, diamond-point, single, and double bevel for specific cutting tasks.
Files: Used for smoothing edges and sharpening tools, including flat mill, triangular, half-round, and round files.
Coping Saw: Makes fine, curvilinear cuts.
Hacksaw: Adjustable for cutting metal.
Backsaw: Precision cutting in woodworking.

Drilling Tools

Pneumatic Drill Gun: Powered by compressed air for small-diameter holes.
Electric Drill Gun: Electrically powered for versatility.
Cordless Drill Gun: Battery-operated for portability.
Twist-Drill Bits: Common sizes 3/32” – 5/32”, cobalt bits for tough materials.
Aircraft Extension Drill Bits: Designed for deep drilling, constructed from M-2 high-speed steel.

Clamping Tools

Machinist’s Vice: Holds metal work securely.
C Clamp: Holds materials together during assembly.
Various Pliers: Include slip-joint, long-nose, adjustable arc-joint, locking (Vise Grip), diagonal cutters, and wire strippers for various gripping and cutting tasks.
Wrenches: Include open-end, box-end, combination, and adjustable (Crescent) wrenches for fastening or loosening nuts.
Ratchet Handle and Socket: Allows for tightening fasteners in tight spaces, includes hinge handle and universal joint socket for flexibility.

Screwdrivers

Standard Screwdriver: Available in multiple sizes.
Philips Screwdriver: Designed for greater rotational force with a four-flanged tip.
Nut Driver: Tightens small hex nuts.
Offset Screwdriver: For limited access areas.
Allen Wrench: Drives screws and bolts with hexagonal sockets.

Sheet Metal Works

Pneumatic Rivet Gun: Drives rivets, often in a "3x" configuration.
Rivet Set: Forms the head on a rivet after driving.
Bucking Bar: Prevents rivet movement during installation.
Rivet Cutter: Cuts excess lengths of rivets.
Cleco Fasteners: Temporarily hold parts while drilling, color-coded by size.
Cleco Pliers: Fastens Cleco fasteners to sheet metal.

Cables and Wires

Wire Twister Plier: Secures fasteners.
Safety Wire: Stainless steel for securing hardware subject to vibration.

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Description

Test your knowledge on hand tools used in aircraft maintenance. This quiz covers essential measuring and layout tools and their proper usage. Understand how to use each tool correctly to ensure safety and effective maintenance practices.