Worksheets1.6 Workshop Practices & 1.6.1 Care of Tools
Total questions: 33
Worksheet time: 17mins
Which statement best explains why strong hand skills remain essential in aircraft maintenance?
Many repairs still require precise manual operations
Computers fully automate all repair procedures
Hand skills are only needed for painting aircraft
Manual work is discouraged due to strict standards
What is the primary daily care required for ordinary hand tools kept in sturdy toolboxes?
A careful visual check before and after use
Full calibration with certified standards
Immersion in solvent for deep cleaning
Storage in soft-lined temperature cabinets
Before using precision instruments such as micrometers, what routine should be performed?
A magnetic particle inspection for cracks
A zero check or calibration for accuracy
A hardness test using reference blocks
A torque setting based on task cards
Why might some precision tools require a light coating of machine oil during storage?
To prevent the onset of corrosion on surfaces
To increase torque output during tightening
To reduce electrical resistance in circuits
To improve visibility of engraved scale marks
What is a key requirement for any acceptable tool control system in maintenance operations?
It must allow a 100 percent in-use tool check
It must eliminate the need for shadow boards
It can ignore tools inside personal kits
It should rely on verbal sign-out of tools
In a shadow board and tool tag system, how is a borrowed tool normally recorded?
A paper log is filled at day’s end only
A color stripe is painted over the outline
A barcode is etched onto the tool handle
A numbered tag replaces the tool silhouette
Who is responsible for ensuring that no tools or equipment are left in an aircraft after work?
The engineers performing the maintenance
Only the centralized Tool Store staff
Quality auditors during annual reviews
Manufacturers during component delivery
Why do departments maintain special tool kits for specific bays such as a wheel bay?
To allow any tool to be used anywhere
To simplify control and mark tools for that bay
To reduce the need for calibration checks
To remove personal responsibility for tools
Which regulatory frameworks commonly prescribe calibration of aircraft maintenance test equipment in the UK context?
ICAO Annex 14 and airport manuals
EASA Parts and road traffic bylaws
OSHA codes and local fire ordinances
BCARs, JARs and Air Operator Certificates
What is the primary purpose of establishing calibration frequency for test equipment?
To ensure compliance and confidence in accuracy
To reduce costs of replacement tools
To meet staff scheduling preferences
To simplify warehouse inventory counts
Standards used for calibration must ultimately be traceable to which source?
Company policy and internal memos
Previous user’s handwritten notes
Manufacturer or national/international standards
Supplier’s pricing catalogues
What best describes an unbroken chain of comparisons in calibration traceability?
Linking measurements to higher-accuracy standards
Recording only the last calibration date
Using multiple brands of the same tool
Comparing results to shop floor averages
In the UK, when no calibration recommendations are published, which standard is cited for conducting calibration?
BS EN 30012-1 Quality Assurance for Measuring Equipment
JAR-66 Licensing Requirements only
NFPA 70 National Electrical Code
ISO 14001 Environmental Management Systems
What is a key requirement when using an external calibration service provider?
Hold accreditation from NAMAS or equivalent body
Offer the lowest commercial price available
Use the same brand as internal equipment
Be located within the same city limits
What is the function of ‘Next Inspection’ labels on calibrated items?
Show the equipment purchase order
Indicate when and where calibration is due
Display the technician’s home address
Advertise the calibration company logo
Why should calibration programmes stagger calibration of items across time?
To synchronize with aircraft flight hours
To keep maximum numbers available for use
To align invoices with fiscal year end
To match weekly tool room staffing
Which factor most directly influences the interval between calibrations?
Nature of equipment and use conditions
Technician’s age and experience
Brand popularity in the market
Hangar color and signage style
What action is required if equipment fails recalibration with significant error?
Re-check prior measurements and validate fixes
Ignore until next scheduled calibration
Destroy records to avoid disputes
Return to service without restriction
Which item is a minimum requirement on a calibration record or certificate?
Aircraft type last serviced
Company annual sales totals
Technician’s favorite tool list
Uncertainty of measurement value
What environmental controls are necessary in calibration facilities to ensure valid results?
Temperature, humidity, vibration, cleanliness
Music volume and staff uniforms
Visitor access hours and parking
Catering menu and coffee quality
What is the role of a workplace Checking Standard applied between calibrations?
Provide confidence that equipment functions correctly
Replace the need for full calibration indefinitely
Increase the uncertainty beyond acceptable levels
Serve only as decorative labeling on tools
Who carries responsibility for ensuring continued accuracy of test facilities and equipment within a company?
The company Quality System
Individual customers exclusively
Airport security personnel
Aircraft flight crew only
When serviceability of an appliance is in doubt, what is the correct handling?
Continue using until a failure occurs
Remove from service and label unserviceable
Loan it out to increase utilization
Calibrate only the accessories attached
Which control aspect directly addresses toxicity and corrosiveness when handling workshop materials?
Quality control of finished parts
Safety concerning material health risks
Management of storage and handling
Economy of dosage and stock
Where should flammable liquids like paints and greases be stored to minimize heat exposure during the day?
Metal cabinets on the north side
Wooden lockers in offices
Plastic bins near doorways
Open shelves by south wall
Which practice best prevents using unsafe liquids with limited life in a hangar?
Store indoors all the time
Keep lids loosely tightened
Dilute fluids before using them
Check expiry date on containers
Which statement about using liquids that produce fumes is most appropriate?
Ensure ventilation and use respiratory protection
Seal all windows to trap vapors
Work only during cooler evenings
Rely on odor to judge safety
What is the correct rule for disposing of workshop liquids?
Evaporate outdoors in sunlight
Release into domestic drain lines
Pour into spare clean containers
Follow company and legal regulations
Which pairing is correct regarding liquid use in workshops?
Use any container for transfers
Mix harmless and toxic liquids
Use only for designed purpose
Store unidentified residues
When filing metal by hand to a smooth finish, what sequence is most appropriate?
Abrasives only without files
Polish first then coarse file
Coarser files then abrasives
Fine file only for all stages
To achieve a finer internal hole finish for a tight pin fit, which tool should follow a twist drill?
Tap to cut internal threads
Broach to create keyways
Countersink to widen entry
Reamer to smooth the bore
Which machine choice is most suitable to obtain an exceptionally smooth surface on a rotating bar?
Lathe producing smooth rotation
Band saw with fine teeth
Drill press with twist bit
Hydraulic press for forming
A large flat casting requires a smooth finish after initial forging. Which decision best meets the requirement?
Drill holes to relieve stresses
Apply paint to mask roughness
Use only a coarse hand file
Select grinding or milling machine
