7.2 Workshop Practices Flashcards
What is a dimension?
a) A general identification of size
b) A measurable limit of some kind, such as length, width, or height
c) The total amount by which a given dimension is allowed to vary
b) A measurable limit of some kind, such as length, width, or height
What is a nominal size?
a) An exact measurement
b) An approximate dimension that is used for general identification
c) The total variation allowed in a measurement
b) An approximate dimension that is used for general identification
What is tolerance?
a) The exact measurement of a part
b) The total amount by which a given dimension is allowed to vary
c) The clearance space intended between two parts
b) The total amount by which a given dimension is allowed to vary
What are allowances?
a) The exact size of two parts
b) The maximum amount by which parts can overlap
c) The minimum clearance space intended between two parts
c) The minimum clearance space intended between two parts
What is the requirement for aircraft maintenance organizations regarding calibration?
a) Regularly inspect and calibrate their precision tooling and equipment
b) Only inspect tools when they are broken
c) Calibrate tools only when required by the manufacturer
a) Regularly inspect and calibrate their precision tooling and equipment
What should be included in the clear labelling system for calibrated tools?
a) The manufacturer’s name
b) The tool’s model number
c) The date of the last test, when the next inspection is due, and the authorised person’s signature or stamp
c) The date of the last test, when the next inspection is due, and the authorised person’s signature or stamp
Why is calibration essential for torque wrenches?
a) To ensure their accuracy and longevity
b) To increase their weight
c) To reduce their size
a) To ensure their accuracy and longevity
How is the recalibration of a micrometer achieved?
a) By adjusting the torque settings
b) By inserting a precision block (test piece) between the anvil and the spindle
c) By changing the model number
b) By inserting a precision block (test piece) between the anvil and the spindle
What should you do to tools after each use?
a) Store them in a drawer
b) Clean and re-lubricate them
c) Inspect for damage only
b) Clean and re-lubricate them
How should measuring instruments be stored?
a) In a toolbox with other tools
b) On an open shelf
c) In a protective case
c) In a protective case
Where should drill bits be stored?
a) In a toolbox
b) In a drill bit stand
c) On an open shelf
b) In a drill bit stand
How should reamers be stored?
a) In partitioned boxes or grooved trays
b) Together in a single drawer
c) In a drill bit stand
a) In partitioned boxes or grooved trays
What is the purpose of a shadow board or shadow foam?
a) To protect tools from damage
b) To help identify missing tools
c) To store tools more compactly
b) To help identify missing tools
Why must many aircraft sealants be stored in a refrigerator?
a) To prevent contamination
b) To ensure they remain usable for their shelf life
c) To make them easier to apply
b) To ensure they remain usable for their shelf life
What must be done before disposing of mixed two-pack sealants?
a) Store them in a cool place
b) Ensure they cure completely
c) Dilute them with water
b) Ensure they cure completely
Who defines the calibration periods for tools and equipment?
a) The user
b) The manufacturer
c) The maintenance manager
b) The manufacturer
What is used to test pressure gauges and transmitters?
a) Hydraulic pump
b) Dead-weight pressure gauge tester
c) Digital manometer
b) Dead-weight pressure gauge tester
What is the definition of allowance in engineering terms?
a) The maximum clearance or minimum interference
b) The minimum clearance or maximum interference
c) The exact size of a part
b) The minimum clearance or maximum interference
What is the primary purpose of an analyser in torque tools?
a) Tightening bolts to a specific torque
b) Checking and calibrating torque tools to standards
c) Measuring the size of fasteners
b) Checking and calibrating torque tools to standards