7.3 Tools Flashcards
What are hammers classified by?
a) Handle type, Color, Material
b) Pein, Face, Weight, or Shape
c) Head size, Length, Grip
b) Pein, Face, Weight, or Shape
Which are the most common types of hammers used in aviation?
a) Rubber Mallet, Claw Hammer, Engineer’s Hammer
b) Ball Pein, DIN General Purpose, Soft Face Mallet
c) Sledgehammer, Cross Pein, Club Hammer
b) Ball Pein, DIN General Purpose, Soft Face Mallet
What is a soft face mallet designed for?
a) To remove dents from metal surfaces
b) To offer driving force without damaging surfaces
c) To break apart tough materials
b) To offer driving force without damaging surfaces
What should be ensured when using a vice for filing or cutting?
a) The vice is lubricated properly
b) The metal is clamped tightly regardless of height
c) The metal is at the correct height in the vice
c) The metal is at the correct height in the vice
What is the formula for using a torque wrench with an extension?
a) M1 = M2 x L1 ÷ L2
b) M1 = M2 x L2 ÷ L1
c) M1 = M2 x (L1 + L2)
a) M1 = M2 x L1 ÷ L2
M1 is the Torque setting of the wrench
M2 is the actual Torque applied to the fastener
L1 is the nominal length of the Torque Wrench
L2 is the extended length of the Torque Wrench
What should you ensure before using a torque wrench?
a) It is properly calibrated.
b) It is clean.
c) It is stored in a toolbox.
a) It is properly calibrated.
What tool can you use to check if a torque wrench is calibrated?
a) A calibrated torque analyser
b) A ruler
c) A micrometer
a) A calibrated torque analyser
What is an important step after using a torque wrench?
a) Unload the wrench before storing it.
b) Leave the wrench loaded.
c) Store it without checking calibration.
a) Unload the wrench before storing it.
What unit should you ensure you are using with a torque wrench?
a) The correct unit of measurement
b) Any unit available
c) No unit is required
a) The correct unit of measurement
What does torque refer to?
a) A rotational or twisting force
b) A linear pushing force
c) A compressive force
a) A rotational or twisting force
What components are included in a combination set?
a) Square head, protractor head, centre head
b) Square head, ruler, compass
c) Protractor head, divider, scribed
a) Square head, protractor head, centre head
What is a scribed tool used for?
a) Cutting through metal
b) Scribing or marking cutting lines on metal surfaces
c) Measuring metal thickness
b) Scribing or marking cutting lines on metal surfaces
What is the angle of a centre punch for general heavy work?
a) 45°
b) 60°
c) 90°
c) 90°
What is the angle of a centre punch used for light work?
a) 60°
b) 90°
c) 45°
a) 60°
What is the purpose of a pin punch’s parallel shank?
a) To match the diameter of rivet shanks
b) To create angled holes
c) To provide extra grip
a) To match the diameter of rivet shanks
Why should the heads of pin punches be kept clean of burrs?
a) To ensure proper alignment
b) To prevent damage due to sharp edges
c) To extend the tool’s lifespan
b) To prevent damage due to sharp edges
What is the metric equivalent of a half inch (1/2)?
a) 6.35 mm
b) 12.7 mm
c) 1.59 mm
b) 12.7 mm
Which fractional inch equals 3.18 mm?
a) 1/4
b) 1/8
c) 1/16
b) 1/8
What is the smallest fractional inch listed, equivalent to 0.4 mm?
a) 1/32
b) 1/16
c) 1/64
c) 1/64
What does the red handle on cutting tools signify?
a) Straight cuts
b) Right cuts
c) Left cuts
c) Left cuts
Which cutting tool is used for straight cuts?
a) Yellow
b) Green
c) Red
a) Yellow
What does the green handle on cutting tools signify?
a) Left cuts
b) Straight cuts
c) Right cuts
c) Right cuts
What is the recommended teeth per inch for cutting steel?
a) 14 TPI
b) 18 TPI
c) 24 TPI
a) 14 TPI
Which blade is best for cutting thick-walled tubing and pipe?
a) 14 TPI
b) 24 TPI
c) 32 TPI
b) 24 TPI
Why do junior hacksaws have teeth facing towards the handle?
a) To increase cutting speed
b) Due to the springy frame
c) For better grip
b) Due to the springy frame
How should the teeth on a full-size hacksaw blade point?
a) Toward the handle
b) Away from the handle
c) Randomly oriented
b) Away from the handle
What should you ensure when using a hacksaw?
a) Use only the middle of the blade
b) Use the whole blade length
c) Use a coarse blade only
b) Use the whole blade length
What is the recommended teeth per inch (TPI) for cutting solid stock aluminium, bearing metal, tool steel, and cast iron?
a) 18 TPI
b) 24 TPI
c) 32 TPI
a) 18 TPI
Which teeth per inch (TPI) blade is best for cutting thin-walled tubing and sheet metal?
a) 14 TPI
b) 24 TPI
c) 32 TPI
c) 32 TPI
What position should your forearm be in when filing?
a) Parallel to the floor
b) Bent at a 90-degree angle
c) Above the head
a) Parallel to the floor
What should be used to clean files?
a) Brush
b) Filecard
c) Cloth
b) Filecard
What is the angle of teeth on double-cut files?
a) 20°–30° , 60°–70°
b) 40°–50° , 60°–70°
c) 40°–50° , 20°–30°
b) 40°–50° , 60°–70°
What is the angle of the teeth on single-cut files?
a) 40°–50°
b) 65°–85°
c) 70°–90°
b) 65°–85°
What is the most common type of drill?
a) Step drill
b) Jobber drill
c) Spade drill
b) Jobber drill
What is the purpose of the morse tapered part on a tapered drill bit?
a) To hold the drill bit in place
b) To allow the drill bit to rotate
c) To fit onto a sleeve
c) To fit onto a sleeve
What is the purpose of the flute on a drill bit?
a) To provide strength to the drill bit
b) To help remove swarf and allow cutting fluid to reach the material
c) To prevent the drill bit from overheating
b) To help remove swarf and allow cutting fluid to reach the material
What does the land on a drill bit provide?
a) A cutting edge
b) Torsional strength
c) A smooth finish
b) Torsional strength
When using an extension drill, what should always be used?
a) A drill guard
b) A guide
c) A clamp
a) A drill guard
Where is the land located on a drill bit?
a) Between the cutting edges
b) Adjacent to the flutes
c) At the base of the drill bit
b) Adjacent to the flutes
How is a Morse taper released from a drill bit?
a) By twisting it manually
b) By using a key drift
c) By pulling it out by hand
b) By using a key drift
What is the recommended drill point angle for aluminium and mild steel?
a) 90°
b) 118°
c) 135°
b) 118°
What is the most commonly found drill point angle for aluminium?
a) 118°
b) 135°
c) 150°
b) 135°
Must be centre punched first
What materials are best drilled with a 135° drill point angle?
a) titanium
b) High tensile steel, stainless steel, and sheet steel
c) Wood
b) High tensile steel, stainless steel, and sheet steel
What is the drill point angle range for plastic materials?
a) 90°–110°
b) 30°–70°
c) 120°–150°
b) 30°–70°
What drill point angle is suitable for hard rubber and fibre?
a) 45°
b) 60°
c) 90°
b) 60°
Why is a Microstop more preferable than freehand for countersinking?
a) It is faster
b) It has a depth guide
c) It is less expensive
b) It has a depth guide
How should reamers be stored?
a) In a drawer
b) In a protective box or groove tray
c) Hanging on a hook
b) In a protective box or groove tray
In which direction should a reamer be twisted?
a) In both directions
b) Only in one direction
c) Counterclockwise
b) Only in one direction
What should be used first when tapping?
a) Plug tap
b) Bottom tap
c) Taper tap
c) Taper tap
What is the purpose of a bottom tap?
a) To create threads in through holes
b) To create threads in blind holes
c) To smooth the hole surface
b) To create threads in blind holes
What should be done first, tapping or using a die?
a) Use a die first
b) Tap first, then use a die
c) Both can be done simultaneously
b) Tap first, then use a die
Why are pneumatic tools preferred over other tools?
a) They are lighter
b) They don’t spark
c) They are quieter
b) They don’t spark
What happens if the drill speed is correct?
a) The material will overheat
b) You will get nice long pieces of swarf
c) The drill will wear out quickly
b) You will get nice long pieces of swarf
What do most pillar drills have to accommodate bolts and clamps?
a) Circular slots
b) T-slots or long slots
c) No slots, only clamps
b) T-slots or long slots
How should an abrasive wheel be tested?
a) By rotating it
b) By tapping it with a light, non-metallic instrument
c) By applying pressure to the wheel
b) By tapping it with a light, non-metallic instrument
What sound does an undamaged abrasive wheel make when tapped?
a) A dull thud
b) A cracking sound
c) A clear metallic tone or “ring”
c) A clear metallic tone or “ring”
What is the front face of an abrasive wheel also called?
a) Cutting face
b) Side face
c) Peripheral face
c) Peripheral face
What does a drill stop eliminate?
a) Vibration
b) Surface marks
c) Drill overheating
b) Surface marks
What does a drill stop reduce?
a) Surface wear
b) Drill breakage
c) Drill speed
b) Drill breakage
What is the purpose of a rivet shaver?
a) To smooth the edges of rivets
b) To shave the stems of rivets
c) To drill through rivets
b) To shave the stems of rivets
Where does a micrometer measure between?
a) The length of a material
b) Between the anvil and spindle
c) The weight of an object
b) Between the anvil and spindle
What is the least measurement increment for a metric micrometer?
a) 0.05mm
b) 0.1mm
c) 0.5mm
c) 0.5mm
What is the least measurement increment for an imperial micrometer?
a) 0.01”
b) 0.025”
c) 0.1”
b) 0.025”
What is used to calibrate a micrometer?
a) A ruler
b) A gauge block
c) A thermometer
b) A gauge block
AKA a measurement block
How do you zero a micrometer?
a) Using a wrench
b) Using a C spanner
c) By adjusting the anvil
b) Using a C spanner
What does the ratchet stop on a micrometer prevent?
a) Over-tightening
b) Slippage
c) Corrosion
a) Over-tightening
What type of meter is used in electrical test equipment?
a) Moving coil meter (PMMC)
b) Digital multimeter
c) Digital voltmeter
a) Moving coil meter (PMMC)
Where is an ammeter placed in a circuit?
a) In parallel
b) In series with low resistance
c) In series with high resistance
b) In series with low resistance
How is a voltmeter wired in a circuit?
a) In series with low resistance
b) In parallel with high resistance
c) In series with high resistance
b) In parallel with high resistance
What is used in a voltmeter when wired in series?
a) Resistors
b) Multipliers
c) Shunts
b) Multipliers
What is used in an ammeter when wired in parallel?
a) Resistors
b) Capacitors
c) Shunts
c) Shunts
What type of sub-circuit is a voltmeter?
a) A series sub-circuit
b) A parallel sub-circuit
c) A closed sub-circuit
b) A parallel sub-circuit
What does an amplified voltmeter have to increase voltage?
a) A higher resistance
b) An internal power supply
c) A shunt
b) An internal power supply
What type of meter is frequency sensitive?
a) AC meter
b) DC meter
c) Both AC and DC meters
b) DC meter
Which type of meter should be used for an AC circuit?
a) DC meter
b) Ohmmeter
c) AC meter
c) AC meter
What does an ohmmeter measure?
a) Voltage
b) Current
c) Resistance
c) Resistance
What must be done before using an ohmmeter?
a) Ensure the circuit is powered on
b) Ensure all power is off
c) Ensure the circuit is in parallel
b) Ensure all power is off
What does an ohmmeter have to measure resistance?
a) A digital display
b) Its own internal power supply
c) A shunt resistor
b) Its own internal power supply
What happens to the dial on an ohmmeter when measuring resistance?
a) The dial moves forward
b) The dial stays still
c) The dial moves backwards
c) The dial moves backwards
What material are most tools manufactured from?
a) Carbon steel
b) Alloy steel
c) Stainless steel
b) Alloy steel
What does Part 145 state about damaged tools in the workshop?
a) They should be repaired immediately
b) They should be removed
c) They should be replaced after calibration
b) They should be removed
Where can you find information about the storage of oil and lubricants?
a) Manufacturer’s instructions
b) Maintenance manual
c) MSDS (Material Safety Data Sheet)
c) MSDS (Material Safety Data Sheet)
How can shelf life of certain materials be assured?
a) By storing them in dry conditions
b) By refrigerating them
c) By labeling them properly
b) By refrigerating them
What is a dimension?
a) A size without tolerance
b) A measurable limit such as length, width, or height
c) The relationship between two parts
b) A measurable limit such as length, width, or height
What is a basic size?
a) A size with a standard tolerance
b) A size without tolerance
c) The largest possible size of a part
b) A size without tolerance
What is a fit in engineering terms?
a) A type of tool
b) The dimensional relationship between two parts
c) A calibration method
b) The dimensional relationship between two parts
What is the calibration interval for an aircraft tool?
a) Six months
b) One year
c) Two years
b) One year
Why is calibrated tool inventory control important?
a) To track tool availability
b) To maintain control of calibration
c) To improve tool durability
b) To maintain control of calibration
Who sets the calibration intervals for tools?
a) The workshop supervisor
b) The manufacturer’s instructions
c) The operator’s discretion
b) The manufacturer’s instructions
When can calibration intervals deviate from the manufacturer’s instructions?
a) When tools are rarely used
b) When an evidence-based case can be made
c) When the tools pass a quick inspection
b) When an evidence-based case can be made
What should you check before using a torque analyzer?
a) The manufacturer’s instructions
b) The calibration sticker
c) The torque settings
b) The calibration sticker
What characteristic must AC meters not have?
a) High resistance
b) Sensitivity to polarity
c) Overheating issues
b) Sensitivity to polarity
When can calibration intervals be changed from the manufacturer’s instructions?
a) When tools are frequently used
b) When an evidence-based case is made
c) When the intervals are inconvenient
b) When an evidence-based case is made
What does PMMC stand for?
a) Permanent Magnet Moving Coil
b) Permanent Magnetic Measuring Coil
c) Precision Magnet Measuring Coil
a) Permanent Magnet Moving Coil
What is a limit dimension?
a) The maximum size of a part
b) The range of acceptable dimensions for a part
c) The basic size without tolerance
b) The range of acceptable dimensions for a part
What is a moving coil system?
a) A system using a coil that moves in a magnetic field to measure electrical quantities
b) A system that rotates a magnet to produce electricity
c) A system that uses a stationary coil to measure voltage
a) A system using a coil that moves in a magnetic field to measure electrical quantities
What should you check before using a multimeter?
a) The battery level
b) The calibration sticker
c) The measurement settings
b) The calibration sticker
What type of meter is an AVO, and what are its characteristics?
a) Digital meter; linear and multi-use
b) Moving coil meter; analog and non-linear
c) Moving coil meter; digital and linear
b) Moving coil meter; analog and non-linear
What must be done before measuring resistance with a multimeter?
a) Ensure the power supply is switched off
b) Set the meter to the highest range
c) Disconnect all wires
a) Ensure the power supply is switched off
Why can you use an amp clamp to measure current?
a) It breaks the circuit to measure the current
b) It doesn’t break the circuit
c) It only works on AC circuits
b) It doesn’t break the circuit
When finding an unknown resistance, what should you do first?
a) Start at the lowest setting
b) Set it to the highest setting and step it down
c) Use an amp clamp
b) Set it to the highest setting and step it down
How much of the screw slot should a screwdriver cover when in use?
a) 50%
b) 75%
c) 100%
b) 75%
What should be done if a fastener head is too damaged to remove with standard tools?
a) Use a larger screwdriver
b) Replace the fastener
c) Use specialized tools like drilling and ‘Ezy-out’
c) Use specialized tools like drilling and ‘Ezy-out’
What feature do multi-grip or swan neck pliers have?
a) Flat gripping surfaces
b) Several curved grooves
c) A locking mechanism
b) Several curved grooves
Which tool must not be used on aircraft?
a) Torque wrench
b) Adjustable spanner
c) Box-end wrench
b) Adjustable spanner
What is the purpose of a breaker bar?
a) To tighten fasteners precisely
b) To break torque without a ratchet mechanism
c) To measure torque accurately
b) To break torque without a ratchet mechanism
What feature does a C-spanner have?
a) A flat head
b) A tang with a C-shape
c) Multiple curved grooves
b) A tang with a C-shape
What material is the strap on a strap wrench typically made of?
a) Rubber
b) Woven nylon with powdered rosin
c) Leather
b) Woven nylon with powdered rosin
What feature defines a Type 1 torque wrench?
a) It provides audible or tactile feedback at the set torque.
b) It requires the operator to manually stop at the desired torque.
c) It cannot measure torque.
b) It requires the operator to manually stop at the desired torque.
How does a Type 2 torque wrench indicate the preset torque value?
a) By stopping automatically.
b) Through audible, visible, or tactile feedback.
c) By displaying the value electronically only.
b) Through audible, visible, or tactile feedback.
What should you do when a torque wrench clicks?
a) Continue tightening to ensure the fastener is secure.
b) Stop immediately.
c) Loosen the fastener and start over.
b) Stop immediately.
What does the square head of a combination set contain?
a) A protractor
b) A spirit level
c) A ruler
b) A spirit level
What are the two common types of calipers?
a) Inside and Outside
b) Digital and Analog
c) Adjustable and Fixed
a) Inside and Outside
What are aviation snips used for?
a) Cutting wood
b) Cutting thin sheet metal
c) Cutting plastic
b) Cutting thin sheet metal
Where should a file be stored?
a) In a toolbox
b) In a rack or a drawer
c) On the workbench
b) In a rack or a drawer
What are the 3 types of filing?
a) Straight Filing, Cross Filing, Draw Filing
b) Horizontal Filing, Vertical Filing, Spiral Filing
c) Rough Filing, Smooth Filing, Finishing Filing
a) Straight Filing, Cross Filing, Draw Filing
Which filing method is best suited for thick pieces of metal?
a) Straight Filing
b) Cross Filing
c) Draw Filing
b) Cross Filing
Which filing method is used to achieve a smooth finish?
a) Straight Filing
b) Cross Filing
c) Draw Filing
c) Draw Filing
Can the flutes on a reamer be used to remove metal chips?
A) Yes
B) No
C) Only in certain conditions
B) No
Which drill speed is recommended for soft materials?
a) Faster drill speed
b) Slower drill speed
c) Same speed for all materials
a) Faster drill speed
Which drill speed is recommended for hard materials?
a) Faster drill speed
b) Slower drill speed
c) Same speed for all materials
b) Slower drill speed
What is the lubricant commonly used for drilling aluminum?
a) Water
b) Kerosene
c) Oil
b) Kerosene
What is a collet commonly used for?
a) Large drill bits
b) Small drill bits
c) Sanding attachments
b) Small drill bits
Where would you use a flexible snake drill?
a) when Drilling large holes high up
b) when Drilling in limited access areas
c) when Sanding surfaces down to a certain depth
b) when Drilling in limited access areas
What material are most tools typically made from?
a) Aluminium alloy
b) Steel alloy
c) Titanium alloy
b) Steel alloy
What is another name for the cutting edge of a drill bit?
a) Flutes
b) Lips
c) Shank
b) Lips
When using a vice, what should the height of the vice be relative to your body?
a) Level with your chest
b) Level with your forearm
c) Level with your shoulder
b) Level with your forearm
What can happen if the cutting speed on a drill is set too fast?
a) The drill bit becomes dull quickly
b) The workpiece overheats and work hardens
c) The drill motor stalls
b) The workpiece overheats and work hardens
What should you use if normal clamps cannot be used in a pillar drill?
a) Magnetic clamps
b) Table clamps/dogs
c) Adhesive mounts
b) Table clamps/dogs
When grinding, which direction should you grind?
a) Along the edge
b) Against the face
c) With the grain
b) Against the face
Why should grease nipples be cleaned before adding grease?
a) To prevent contamination of the grease
b) To avoid overfilling
c) To reduce friction
a) To prevent contamination of the grease
Where can you find the specific grease to use for an aircraft?
a) In the Aircraft Maintenance Manual (AMM)
b) In the Flight Manual
c) In the Engine greasing Manual
a) In the Aircraft Maintenance Manual (AMM)
