Aircraft Engineering Drawing Quiz and Flashcards

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Questions and Answers

What information is typically found in the bill of material section of a title block?

Revision history and approval dates

Deviation from the norm and modifications to an original design

Model of aircraft and part number of the next assembly

Quantity required, part number, description, size and specification number (correct)

What is the purpose of the application block in a title block?

To indicate the quantity of parts needed for the final assembly

To provide a list of materials needed for the part

To specify modifications to an original design

To show where the part is used and the part number of the next assembly (correct)

What is the main purpose of notes in a drawing?

To identify a deviation from the norm, give additional information, or list alternatives (correct)

To provide a list of materials needed for the part

To specify modifications to an original design

To record revisions to the drawing

Where is the revision block typically located in a drawing?

Upper right corner Signup and view all the answers

What information is typically not found in the notes section of a drawing?

Quantity of parts needed for the final assembly Signup and view all the answers

What is the primary function of a title block in a drawing?

To organize and present information about the part in a structured manner Signup and view all the answers

What information is typically included in the revision block of an aircraft drawing?

The description of the revision, date, and approving person's initials Signup and view all the answers

What is the purpose of the grid system on an aircraft drawing?

To provide a system of location for detailed views Signup and view all the answers

What does a revision noted in zone C-7 indicate?

A change 3 ft from the bottom and 7 ft from the right edge Signup and view all the answers

What are the dimensions that appear on a drawing called?

Nominal dimensions Signup and view all the answers

What is the main purpose of a drawing in engineering?

To accurately give all needed dimensions and show the shape of a part Signup and view all the answers

Why is it important to check for the most current revision of a drawing?

To ensure the accuracy and relevance of the information Signup and view all the answers

What is the primary purpose of illustrated parts catalogues?

To assist in locating parts on an aircraft Signup and view all the answers

Which type of manual is used for repairing serious damage to an aircraft's structure?

Structural repair manual Signup and view all the answers

What type of data is considered acceptable by the FAA for major repairs and alterations?

Maintenance information from manufacturers Signup and view all the answers

What is the primary focus of overhaul manuals?

Repair and rebuilding of components Signup and view all the answers

What is typically included in wiring manuals?

Schematic diagrams for electrical system troubleshooting Signup and view all the answers

What is NOT a characteristic of illustrated parts catalogues?

Are generally considered acceptable data for maintenance and repair Signup and view all the answers

What is the ANSI-specified upper limit for temperature at the film plane?

167 °F Signup and view all the answers

Why should microform-reading machines be turned off when not in use?

To avoid film damage Signup and view all the answers

What is a benefit of using zoom lenses in microform readers?

They allow for changing magnification Signup and view all the answers

Why should dirty equipment be avoided in microform reading?

It decreases image quality Signup and view all the answers

What is a potential consequence of not using dust covers on microform readers?

Dust accumulation on the glass flats Signup and view all the answers

Why should glass flats and carriers be cleaned daily?

To prevent grime buildup on the edges Signup and view all the answers

What information is typically listed to the left of the title block?

Special or additional information Signup and view all the answers

What is the purpose of a title block in an engineering drawing?

To contain information necessary to manufacture the part Signup and view all the answers

What is typically listed first in the title block?

Subject Signup and view all the answers

What is unique about the part number of left-hand and right-hand parts?

They have the same part number Signup and view all the answers

What is contained in the box labelled 'title'?

Part name Signup and view all the answers

Where is the title block typically positioned on an aircraft drawing?

Lower right corner Signup and view all the answers

Study Notes

Title Block

A title block is typically located in the lower right corner of an aircraft drawing
It contains information necessary to manufacture the illustrated part
Includes material specifications, tolerances, surface finish, and materials and fastener specifications (bolts, rivets, screws, etc.)
The part name is put in the box labeled 'title'

Bill of Material

Lists every material needed to manufacture the part
Includes quantity required, part number, description, size, and specification number for each material

Application

Indicates where the part is used
Shows the model of aircraft the part is used on and the part number of the next assembly
Includes the quantity of parts needed for both the next assembly and the final assembly

Notes

Added to a drawing to identify a deviation from the norm
Provides additional information, lists alternatives, calls attention to an item, or specifies modifications to an original design
Related to the drawing or other relevant drawings
Typically found in a block or placed in a location that does not interfere with the drawing

Revision Block

Records revisions to a drawing
Includes the description of the revision, the date the revision was released, and the initials of the person approving the revision
Located in the upper right corner of a drawing

Zones

A system of location used in large aircraft drawings
Divided into sections marked with letters (A, B, etc.) vertically and numbers (1, 2, etc.) horizontally
Identifies a specific location on the drawing using a combination of letters and numbers (e.g., C-7)

Dimensioning

Essential for a drawing to be meaningful
Represents the perfect size and are called basic or nominal dimensions
Accurately gives all needed dimensions

Illustrated Parts Catalogue

Shows the location and part numbers of items installed on an aircraft
Contains detailed exploded views of all areas of an aircraft
Not considered acceptable data for maintenance and repair by the FAA

Overhaul Manual

Contains information about the repair and rebuilding of components that can be removed from an aircraft
Includes multiple illustrations showing how individual components are assembled
Lists individual part numbers

Wiring Manual

Illustrates aircraft electrical systems and their components
Contains schematic diagrams to aid in electrical system troubleshooting
Lists part numbers and locations of electrical system components

Structural Repair Manuals

Used for repair of serious damage to an aircraft's primary and secondary structure
Contains detailed information for repairing an aircraft's structure

Microform Readers

Equipment should be inspected weekly and maintained daily
Dust on the glass flats can be magnified by the optics of the reader
Dust can also be transferred to the microform, where it might obscure details and even damage film
Dirty equipment decreases image quality
Grime builds up on the edges of glass flats, creating another source of film abrasion

Tolerance Allowance

Includes lower and upper limits for hole shaft tolerance
Importance of allowance and tolerance in aircraft maintenance and repair

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Description

This quiz covers the basics of aircraft engineering drawing, including title blocks and tolerance allowances. Learn about the importance of accurate measurements and specifications in aircraft manufacturing. Test your knowledge of aviation maintenance practices and CASA Part 66 regulations.

Aircraft Engineering Drawing and Tolerance