7.5 Engineering Drawings

Question 1

What should you avoid doing on an engineering drawing?
a) Erasing measurements
b) Making unauthorized notes or marks
c) Highlighting dimensions

Answer 1

b) Making unauthorized notes or marks

Question 2

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

Answer 2

b) Only authorized individuals

Question 3

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

Answer 3

b) Sign and date the changes

Question 4

Which British standard is used for engineering drawings?
a) BS8888
b) BS7671
c) BS2020

Answer 4

a) BS8888

Question 5

What does ISO stand for in drawing standards?
a) International Standards Operation
b) International Organization for Standardization
c) Industrial Standards Organization

Answer 5

b) International Organization for Standardization

Question 6

What is another name for a detail drawing in aircraft engineering?
a) Installation drawing
b) FAB (fabrication) drawing
c) Exploded view drawing

Answer 6

b) FAB (fabrication) drawing

Question 7

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

Answer 7

c) It does not include the words “assembly” or “installation” in the title

Question 8

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

Answer 8

b) All parts are expanded outward to show individual components

Question 9

What is often used with exploded view drawings?
a) Detailed fabrication instructions
b) Illustrated parts lists
c) Electrical wiring diagrams

Answer 9

b) Illustrated parts lists

Question 10

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

Answer 10

b) The side of the object remote from it in the adjacent view

Question 11

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

Answer 11

a) The side of the object nearest to it in the adjacent view

Question 12

At what angle do the edges form in an isometric drawing?
a) 45°
b) 60°
c) 30°

Answer 12

c) 30°

Question 13

What is the typical depth axis angle in an oblique drawing?
a) 30°
b) 45°
c) 60°

Answer 13

b) 45°

Question 14

What do center lines consist of?
a) Solid lines
b) Alternate long and short dashes
c) Zigzag lines

Answer 14

b) Alternate long and short dashes

Question 15

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

Answer 15

b) To indicate a portion of the object is not shown

Question 16

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

Answer 16

a) Solid ruled lines with zigzags

Question 17

What do hidden lines indicate?
a) Visible contours of an object
b) Invisible edges or contours
c) Roughness of a surface

Answer 17

b) Invisible edges or contours

Question 18

What do hidden lines look like?
a) Short dashes evenly spaced
b) Solid freehand lines
c) Long and short dashes alternately spaced

Answer 18

a) Short dashes evenly spaced

Question 19

What does surface texture measure?
a) The thickness of the material
b) The smoothness of the surface finish
c) The size of a hole

Answer 19

b) The smoothness of the surface finish

Question 20

What does a smaller surface texture number indicate?
a) A smoother finish
b) A rougher finish
c) A thicker surface

Answer 20

a) A smoother finish

Question 21

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

Answer 21

b) A note about depth

Question 22

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

Answer 22

b) By a symbol with an explanatory note

Question 23

Where is the title block typically located on an engineering drawing?
a) Top left corner
b) Bottom right corner
c) Upper right corner

Answer 23

b) Bottom right corner

Question 24

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

Answer 24

b) In the lower right-hand or top left corner of the title block

Question 25

How is the drawing size typically specified? a) By a number b) By a letter c) By a symbol

Answer 25

b) By a letter A is the smallest D is the biggest

Question 26

Where is the revision block located on a drawing? a) Bottom right corner b) Upper right-hand corner c) Top left corner

Answer 26

b) Upper right-hand corner

Question 27

What are zones on a drawing used for? a) Identifying revisions b) Locating and identifying parts easily c) Specifying drawing size

Answer 27

b) Locating and identifying parts easily

Question 28

What do the letters in zones represent? a) Vertical rows b) Horizontal rows c) Part numbers

Answer 28

b) Horizontal rows

Question 29

What do the numbers in zones represent? a) Vertical columns b) Horizontal rows c) Revision notes

Answer 29

a) Vertical columns

Question 30

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

Answer 30

b) Classification of maintenance data subjects by standardized numbered chapters

Question 31

What does ISO stand for? a) International Standards Operation b) International Organization for Standardisation c) Industrial Standards Organization

Answer 31

b) International Organization for Standardisation

Question 32

What does AN in ISO standards represent? a) Airforce/Navy b) American Navy c) Aviation Network

Answer 32

a) Airforce/Navy

Question 33

What does MS/MIL in ISO standards represent? a) Manufacturer Standards b) Military Standards c) Mechanical Standards

Answer 33

b) Military Standards

Question 34

What does NAS in ISO standards stand for? a) National Aerospace Standards b) Naval Aviation Standards c) New Aviation Systems

Answer 34

a) National Aerospace Standards

Question 35

What do BS standards refer to? a) Basic Standards b) British Standards c) Blocked Standards

Answer 35

b) British Standards

Question 36

What is the main purpose of schematic diagrams? a) To simplify design processes b) To ease fault diagnosis c) To explain manufacturing details

Answer 36

b) To ease fault diagnosis

Question 37

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

Answer 37

b) Block diagrams, simplified schematics, and system schematics

Question 38

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

Answer 38

b) To standardize the content and details for aircraft maintenance work

Question 39

How many views can an object be drawn in an orthographic drawing? a) 4 b) 6 c) 8

Answer 39

b) 6

Question 40

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

Answer 40

b) To provide all necessary information to fabricate individual parts

Question 41

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

Answer 41

b) The relationship between two or more parts in a subassembly

Question 42

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

Answer 42

c) Where assemblies or parts are permanently fixed in the aircraft

Question 43

Where are exploded drawings commonly used? a) In the aircraft’s technical logbook b) In illustrations parts catalogue c) In the maintenance procedures manual

Answer 43

b) In illustrations parts catalogue

Question 44

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

Answer 44

b) To extend the line showing the side or edge of a figure for placing a dimension

Question 45

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

Answer 45

b) To indicate that a portion of the object is not shown on the drawing

Question 46

What do hidden lines indicate in technical drawings? a) Visible edges or contours b) Invisible edges or contours c) Dimensions of an object

Answer 46

b) Invisible edges or contours

Question 47

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

Answer 47

c) To identify areas using letters and numbers D-2-5 the last number identifys the sheet

Question 48

ATA 79 - 03 - 16 79 - for the systems/chapters 0 - section 3 - sub section 16 - subject

Answer 48

REMEMBER

Question 49

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

Answer 49

a) 156 member countries, and yes, it is the largest