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Questions and Answers
What is the primary purpose of a vernier caliper in aircraft maintenance?
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?
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?
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?
Which of the following tools is used for marking reference points on a material?
What tool would you use to check the accuracy of 90-degree corner joints in construction?
What tool would you use to check the accuracy of 90-degree corner joints in construction?
Which tool would be best for measuring clearances between two surfaces?
Which tool would be best for measuring clearances between two surfaces?
What is the primary use of a combination square?
What is the primary use of a combination square?
Which tool is best suited for driving bolts, rivets, or pins from tight fitting holes?
Which tool is best suited for driving bolts, rivets, or pins from tight fitting holes?
What is the primary use of a ball peen hammer?
What is the primary use of a ball peen hammer?
Which hammer is specifically designed for close work on concave surfaces?
Which hammer is specifically designed for close work on concave surfaces?
What type of scissors are designed for cutting metal sheets?
What type of scissors are designed for cutting metal sheets?
Which cutting tool is also known as a 'Fly Cutter'?
Which cutting tool is also known as a 'Fly Cutter'?
What does a tube cutter include to assist in making cuts?
What does a tube cutter include to assist in making cuts?
Which chisel is used primarily for cleaning out corners and hard-to-reach places?
Which chisel is used primarily for cleaning out corners and hard-to-reach places?
What is the primary purpose of a triangular file?
What is the primary purpose of a triangular file?
What type of file is effective for cutting through fiberglass and composites without loading up?
What type of file is effective for cutting through fiberglass and composites without loading up?
Which type of file is best suited for filing inside of rings?
Which type of file is best suited for filing inside of rings?
Which hammer is used for driving chisels?
Which hammer is used for driving chisels?
Which of the following files is primarily used for precise woodworking tasks?
Which of the following files is primarily used for precise woodworking tasks?
What is a key feature of aircraft extension drill bits?
What is a key feature of aircraft extension drill bits?
Which drill is powered by compressed air?
Which drill is powered by compressed air?
What distinguishes cobalt drill bits from standard drill bits?
What distinguishes cobalt drill bits from standard drill bits?
Which type of file is typically used for roughing material quickly?
Which type of file is typically used for roughing material quickly?
Which cutting tool is specifically designed for curvilinear cuts?
Which cutting tool is specifically designed for curvilinear cuts?
What is the primary function of a breaker bar in hand tools?
What is the primary function of a breaker bar in hand tools?
Which type of screwdriver is specifically designed to access screws in tight spaces?
Which type of screwdriver is specifically designed to access screws in tight spaces?
What is the role of a bucking bar in the riveting process?
What is the role of a bucking bar in the riveting process?
Which tool is used for securing bolts or hardware that are subject to vibration?
Which tool is used for securing bolts or hardware that are subject to vibration?
What function does an Allen wrench serve in hand tools?
What function does an Allen wrench serve in hand tools?
What is the primary purpose of cobalt drill bits?
What is the primary purpose of cobalt drill bits?
Which tool is ideal for clamping and holding metal?
Which tool is ideal for clamping and holding metal?
Which of the following is true about Aircraft Extension Drill Bits?
Which of the following is true about Aircraft Extension Drill Bits?
What distinguishes the Adjustable-End Wrench from other wrenches?
What distinguishes the Adjustable-End Wrench from other wrenches?
What is the function of a ratchet handle in a socket wrench?
What is the function of a ratchet handle in a socket wrench?
What is a characteristic feature of Box-End Wrenches?
What is a characteristic feature of Box-End Wrenches?
How does a Wire-Crimping Tool function?
How does a Wire-Crimping Tool function?
What makes black oxide coating beneficial for tools?
What makes black oxide coating beneficial for tools?
Flashcards
Vernier Caliper
Vernier Caliper
Measures the diameter and thickness of objects.
Micrometer Caliper
Micrometer Caliper
Precisely measures sheet metal thickness and circular objects.
Divider
Divider
Used to create circles and arcs on materials.
Thickness Gauge
Thickness Gauge
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Center Punch
Center Punch
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Pin Punch
Pin Punch
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Prick Punch
Prick Punch
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Tape Measure
Tape Measure
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Tri Square
Tri Square
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Combination Square
Combination Square
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Ball Peen Hammer
Ball Peen Hammer
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Mallet
Mallet
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Aviation Snips
Aviation Snips
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Tube Cutter
Tube Cutter
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Cold Chisel
Cold Chisel
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Files
Files
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Pneumatic Drill Gun
Pneumatic Drill Gun
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Twist-Drill Bits
Twist-Drill Bits
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Machinist's Vice
Machinist's Vice
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C Clamp
C Clamp
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Wrenches
Wrenches
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Screwdrivers
Screwdrivers
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Sheet Metal Works
Sheet Metal Works
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Pneumatic Rivet Gun
Pneumatic Rivet Gun
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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.
