7.5 Engineering Drawings Flashcards
What should you avoid doing on an engineering drawing?
a) Erasing measurements
b) Making unauthorized notes or marks
c) Highlighting dimensions
b) Making unauthorized notes or marks
Who is allowed to make changes or notes on an engineering drawing?
a) Anyone with access to the print
b) Only authorized individuals
c) The machine operator
b) Only authorized individuals
What must authorized individuals do when making changes to a drawing?
a) Use a different color pen
b) Sign and date the changes
c) Notify their supervisor
b) Sign and date the changes
Which British standard is used for engineering drawings?
a) BS8888
b) BS7671
c) BS2020
a) BS8888
What does ISO stand for in drawing standards?
a) International Standards Operation
b) International Organization for Standardization
c) Industrial Standards Organization
b) International Organization for Standardization
What is another name for a detail drawing in aircraft engineering?
a) Installation drawing
b) FAB (fabrication) drawing
c) Exploded view drawing
b) FAB (fabrication) drawing
How can you identify a detail drawing?
a) It includes the word “installation” in the title
b) It includes the word “assembly” in the title
c) It does not include the words “assembly” or “installation” in the title
c) It does not include the words “assembly” or “installation” in the title
What is the key feature of an exploded view drawing?
a) All parts are shown in their assembled position
b) All parts are expanded outward to show individual components
c) It includes only a list of parts with no images
b) All parts are expanded outward to show individual components
What is often used with exploded view drawings?
a) Detailed fabrication instructions
b) Illustrated parts lists
c) Electrical wiring diagrams
b) Illustrated parts lists
In first angle projection, what does each view represent?
a) The side of the object nearest to it in the adjacent view
b) The side of the object remote from it in the adjacent view
c) The top view of the object only
b) The side of the object remote from it in the adjacent view
In third angle projection, what does each view represent?
a) The side of the object nearest to it in the adjacent view
b) The side of the object remote from it in the adjacent view
c) The front view of the object only
a) The side of the object nearest to it in the adjacent view
At what angle do the edges form in an isometric drawing?
a) 45°
b) 60°
c) 30°
c) 30°
What is the typical depth axis angle in an oblique drawing?
a) 30°
b) 45°
c) 60°
b) 45°
What do center lines consist of?
a) Solid lines
b) Alternate long and short dashes
c) Zigzag lines
b) Alternate long and short dashes
What is the purpose of break lines on a drawing?
a) To show hidden edges
b) To indicate a portion of the object is not shown
c) To highlight surface texture
b) To indicate a portion of the object is not shown
What type of line is used for long breaks in a drawing?
a) Solid ruled lines with zigzags
b) Solid freehand lines
c) Dashed lines
a) Solid ruled lines with zigzags
What do hidden lines indicate?
a) Visible contours of an object
b) Invisible edges or contours
c) Roughness of a surface
b) Invisible edges or contours
What do hidden lines look like?
a) Short dashes evenly spaced
b) Solid freehand lines
c) Long and short dashes alternately spaced
a) Short dashes evenly spaced
What does surface texture measure?
a) The thickness of the material
b) The smoothness of the surface finish
c) The size of a hole
b) The smoothness of the surface finish
What does a smaller surface texture number indicate?
a) A smoother finish
b) A rougher finish
c) A thicker surface
a) A smoother finish
What type of note is included with blind holes?
a) A note about diameter
b) A note about depth
c) A note about surface texture
b) A note about depth
How are reamed holes differentiated from plain holes?
a) By their size
b) By a symbol with an explanatory note
c) By a zigzag line
b) By a symbol with an explanatory note
Where is the title block typically located on an engineering drawing?
a) Top left corner
b) Bottom right corner
c) Upper right corner
b) Bottom right corner
Where is the drawing number usually located?
a) In the center of the drawing
b) In the lower right-hand or top left corner of the title block
c) In the bottom left corner
b) In the lower right-hand or top left corner of the title block
How is the drawing size typically specified?
a) By a number
b) By a letter
c) By a symbol
b) By a letter
A is the smallest
D is the biggest
Where is the revision block located on a drawing?
a) Bottom right corner
b) Upper right-hand corner
c) Top left corner
b) Upper right-hand corner
What are zones on a drawing used for?
a) Identifying revisions
b) Locating and identifying parts easily
c) Specifying drawing size
b) Locating and identifying parts easily
What do the letters in zones represent?
a) Vertical rows
b) Horizontal rows
c) Part numbers
b) Horizontal rows
What do the numbers in zones represent?
a) Vertical columns
b) Horizontal rows
c) Revision notes
a) Vertical columns
What does ATA Specification 100 detail?
a) Guidelines for manufacturing aircraft components
b) Classification of maintenance data subjects by standardized numbered chapters
c) International safety standards for aviation
b) Classification of maintenance data subjects by standardized numbered chapters
What does ISO stand for?
a) International Standards Operation
b) International Organization for Standardisation
c) Industrial Standards Organization
b) International Organization for Standardisation
What does AN in ISO standards represent?
a) Airforce/Navy
b) American Navy
c) Aviation Network
a) Airforce/Navy
What does MS/MIL in ISO standards represent?
a) Manufacturer Standards
b) Military Standards
c) Mechanical Standards
b) Military Standards
What does NAS in ISO standards stand for?
a) National Aerospace Standards
b) Naval Aviation Standards
c) New Aviation Systems
a) National Aerospace Standards
What do BS standards refer to?
a) Basic Standards
b) British Standards
c) Blocked Standards
b) British Standards
What is the main purpose of schematic diagrams?
a) To simplify design processes
b) To ease fault diagnosis
c) To explain manufacturing details
b) To ease fault diagnosis
What are the three types of schematics commonly used?
a) Block diagrams, circuit diagrams, and layout diagrams
b) Block diagrams, simplified schematics, and system schematics
c) System schematics, flowcharts, and wiring diagrams
b) Block diagrams, simplified schematics, and system schematics
What is the purpose of ATA standards?
a) To regulate pilot training
b) To standardize the content and details for aircraft maintenance work
c) To define airport safety guidelines
b) To standardize the content and details for aircraft maintenance work
How many views can an object be drawn in an orthographic drawing?
a) 4
b) 6
c) 8
b) 6
What is the purpose of a detail drawing?
a) To show the location and fastening methods of parts
b) To provide all necessary information to fabricate individual parts
c) To assemble multiple parts into subassemblies
b) To provide all necessary information to fabricate individual parts
What do assembly drawings depict?
a) The installation location of parts within an aircraft
b) The relationship between two or more parts in a subassembly
c) The fabrication details of individual parts
b) The relationship between two or more parts in a subassembly
What do installation drawings describe?
a) The fabrication details of individual parts
b) The relationship between parts in a subassembly
c) Where assemblies or parts are permanently fixed in the aircraft
c) Where assemblies or parts are permanently fixed in the aircraft
Where are exploded drawings commonly used?
a) In the aircraft’s technical logbook
b) In illustrations parts catalogue
c) In the maintenance procedures manual
b) In illustrations parts catalogue
What is the purpose of extension lines in technical drawings?
a) To connect different parts of the drawing
b) To extend the line showing the side or edge of a figure for placing a dimension
c) To show the outline of the object being drawn
b) To extend the line showing the side or edge of a figure for placing a dimension
What is the purpose of break lines in technical drawings?
a) To show the full length of a shaft or rod
b) To indicate that a portion of the object is not shown on the drawing
c) To show the dimensions of a broken part
b) To indicate that a portion of the object is not shown on the drawing
What do hidden lines indicate in technical drawings?
a) Visible edges or contours
b) Invisible edges or contours
c) Dimensions of an object
b) Invisible edges or contours
What are zones used for in large-scale drawings?
a) To represent the colors of the components
b) To mark invisible edges and contours
c) To identify areas using letters and numbers
c) To identify areas using letters and numbers
D-2-5 the last number identifys the sheet
ATA
79 - 03 - 16
79 - for the systems/chapters
0 - section
3 - sub section
16 - subject
REMEMBER
How many member countries are part of ISO, and is it the largest standards organization?
a) 156 member countries, and yes, it is the largest
b) 120 member countries, and no, it is not the largest
c) 200 member countries, and yes, it is the largest
a) 156 member countries, and yes, it is the largest
