2A751 : Aircraft Metals Technology Journeyman! Trivia Quiz

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  • 1/101 Questions

    To store blueprints or mechanical drawings, you should

    • Hang them up
    • Store them flat
    • Keep them cool
    • Fold them neatly
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About This Quiz

This quiz, titled '2A751: Aircraft Metals Technology Journeyman! Trivia', tests knowledge on drafting and handling of technical drawings. It assesses skills such as proper lighting, equipment care, and document storage, crucial for any technical drafter in the Air Force.

2A751 : Aircraft Metals Technology Journeyman! Trivia Quiz - Quiz

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  • 2. 

    The main reason to include an auxiliary view on a print is 

    • For information on the material

    • For clarification of an object or detail

    • To improve the appearance of the drawing

    • To crowd in a lot of information on a print

    Correct Answer
    A. For clarification of an object or detail
    Explanation
    An auxiliary view is included on a print to provide a clearer and more detailed representation of a specific object or detail. This additional view helps to eliminate any ambiguity or confusion that may arise from the main drawing. It allows for a better understanding of the shape, size, and orientation of the object or detail, ensuring that it is accurately represented in the print. By including an auxiliary view, any potential misunderstandings or misinterpretations can be avoided, thus enhancing the overall clarity and accuracy of the print.

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  • 3. 

    What feature permits a screw head to seat flush with the parent material?

    • Collar

    • Chamfer

    • Countersink

    • Counterbore

    Correct Answer
    A. Countersink
    Explanation
    A countersink is a feature that allows a screw head to seat flush with the parent material. It is a conical hole that is created in the material to accommodate the screw head. By using a countersink, the screw head can be recessed into the material, providing a smooth and flush surface. This helps to prevent any obstructions or protrusions that could interfere with the overall appearance or functionality of the project.

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  • 4. 

    The best way to keep thermal expansion to a minimum is to

    • Use the same material for all tools

    • Keep tools sharp and use high feeds

    • Keep tools sharp and use lots of coolant

    • Avoid using aluminum for tooling designs

    Correct Answer
    A. Keep tools sharp and use lots of coolant
    Explanation
    Keeping tools sharp and using lots of coolant is the best way to keep thermal expansion to a minimum. When tools are sharp, they can cut through materials more efficiently, reducing the amount of heat generated during the cutting process. Using lots of coolant helps to dissipate the heat, preventing it from building up and causing thermal expansion. By maintaining sharp tools and using coolant, the temperature of the tools and the materials being worked on can be kept under control, minimizing thermal expansion.

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  • 5. 

    If you're going to machine a series of holes in a work piece and the location is not critical, 

    • Cut the holes with a torch

    • Cut the holes with a saw

    • Drill the holes with a drill press

    • Drill the wholes with a milling machine

    Correct Answer
    A. Drill the holes with a drill press
    Explanation
    If the location of the holes is not critical, it is best to drill the holes with a drill press. A drill press provides more precision and control compared to using a torch or a saw. While a milling machine can also be used to drill holes, it may be unnecessary and time-consuming for non-critical hole locations. Therefore, a drill press is the most suitable option in this scenario.

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  • 6. 

    After maintenance on a Red X aircraft discrepancy is complete, who signs off the Red X

    • The person that performed the maintenance

    • The inspector that performed the maintenance

    • The inspector that checked the completed work

    • The person that signed off the corrected by section

    Correct Answer
    A. The inspector that checked the completed work
    Explanation
    After maintenance on a Red X aircraft discrepancy is complete, the inspector that checked the completed work signs off the Red X. This is because the inspector is responsible for ensuring that the maintenance was performed correctly and that the aircraft is safe to fly. They verify that the work has been completed according to the required standards and regulations before signing off on the Red X.

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  • 7. 

    You're going to draw an object and you realize that even though it's uniform in length, it's too long for the print, you select 

    • An outline

    • A break line

    • A hidden line

    • A phantom line

    Correct Answer
    A. A break line
    Explanation
    When drawing an object that is too long for the print, selecting a break line is the appropriate choice. A break line is used to indicate that a portion of the object has been removed for the sake of space or clarity. It helps to show that the object continues beyond the portion that is visible on the print. This allows the viewer to understand the complete length of the object, even if it is too long to fit within the drawing.

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  • 8. 

    When constructing a drawing, all non-essential lines are drawn

    • Lightly and erased later

    • On the print but use light lines

    • With heavy pencil to identify them

    • Using a different color pencil so they'll stand out

    Correct Answer
    A. Lightly and erased later
    Explanation
    When constructing a drawing, non-essential lines are initially drawn lightly so that they can be easily erased later. This is done to prevent confusion and clutter on the final print. However, to ensure that these lines are still visible during the drawing process, a heavy pencil is used to identify them. Additionally, a different color pencil may be used to make these lines stand out from the rest of the drawing.

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  • 9. 

    To over come reading errors, when using precision measuring instruments ,you MUST

    • Train and practice

    • Use digital instruments

    • Use large dial instruments

    • Inspect items with unknown values

    Correct Answer
    A. Train and practice
    Explanation
    To overcome reading errors when using precision measuring instruments, it is necessary to train and practice. This is because precision instruments require a certain level of skill and familiarity to operate accurately. By training and practicing, individuals can develop the necessary techniques and proficiency to minimize reading errors and obtain accurate measurements. Using digital instruments or large dial instruments may also be helpful, but without proper training and practice, reading errors are still likely to occur. Inspecting items with unknown values is not directly related to overcoming reading errors.

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  • 10. 

    You can reduce the time you do repetitive drafting jobs by using 

    • A drafting set

    • A bow compass

    • A drafting template

    • Adjustable triangles

    Correct Answer
    A. A drafting template
    Explanation
    A drafting template is a tool that contains pre-drawn symbols and shapes commonly used in drafting. By using a drafting template, individuals can quickly and accurately reproduce these shapes without having to manually draw them each time. This saves time and effort in repetitive drafting jobs as the template provides a consistent and efficient way to create the desired shapes.

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  • 11. 

    Welding symbols give all necessary information for a print, weld symbols give

    • Type of weld and weld contour

    • Type of weld material condition

    • Weld contour and material condition

    • Material condition and weld contamination

    Correct Answer
    A. Type of weld and weld contour
    Explanation
    Welding symbols provide information about the type of weld and the weld contour. The type of weld refers to the specific welding process that should be used, such as fillet weld or groove weld. The weld contour indicates the shape and dimensions of the weld, such as whether it is a straight line or has a specific curve. This information is important for understanding how the weld should be performed and what the final result should look like.

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  • 12. 

    Basic drafting equipment consists of 

    • A compass, layout die, and drafting instruments

    • A drawing board, T square, and drafting instruments

    • Hermaphrodite calipers, a drawing board, and layout die

    • Drafting instruments, a scribe, and hermaphrodite calipers

    Correct Answer
    A. A drawing board, T square, and drafting instruments
    Explanation
    The correct answer is a drawing board, T square, and drafting instruments. These are the basic equipment needed for drafting. A drawing board provides a stable surface to work on, a T square is used to draw straight lines, and drafting instruments such as compasses, rulers, and protractors are used for precise measurements and drawing shapes.

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  • 13. 

    When  you use dividers to step off equal spaces on a line, you

    • Rotate them toward the drawing border

    • Step them in a counter clockwise direction

    • Alternate clockwise an counter clockwise steps

    • Rotate them ina continuous clockwise direction

    Correct Answer
    A. Alternate clockwise an counter clockwise steps
    Explanation
    When using dividers to step off equal spaces on a line, you alternate between clockwise and counterclockwise steps. This ensures that the spaces are evenly distributed and helps to maintain accuracy in measurements. By alternating the direction of the steps, you can prevent any potential errors that may arise from consistently stepping in only one direction.

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  • 14. 

    The tolerance for a dimension with a two place (X.XX) decimal is

    • 0.001 inch

    • 0.010 inch

    • 0.100 inch

    • 0.000 inch

    Correct Answer
    A. 0.010 inch
    Explanation
    The tolerance for a dimension with a two place (X.XX) decimal is 0.010 inch. Tolerance refers to the allowable variation or deviation from the specified dimension. In this case, a dimension with a two place decimal requires a tolerance of 0.010 inch, meaning that the actual measurement can vary by up to 0.010 inch from the specified dimension.

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  • 15. 

    Welding symbols give all necessary information for a print, weld symbols give 

    • Type of weld and weld contour

    • Type of material condition

    • Weld contour and material condition

    • Material condition and weld contamination

    Correct Answer
    A. Type of weld and weld contour
    Explanation
    Welding symbols provide information about the type of weld and the weld contour. This means that they indicate the specific method or process used for the weld and also show the shape or profile of the weld. The symbols do not give information about the material condition or weld contamination.

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  • 16. 

    What computer asissed dratering (CAD) permits the drafter to pivot the drawing on its axis?

    • Pan

    • Fillet

    • Mirror

    • Rotate

    Correct Answer
    A. Rotate
    Explanation
    CAD (Computer-Aided Design) software allows drafters to create and manipulate drawings digitally. The option to "rotate" the drawing on its axis enables the drafter to change the orientation of the drawing, either clockwise or counterclockwise, without affecting the actual content of the drawing. This feature is useful when the drafter needs to view the drawing from a different angle or align it with other elements in the design. By selecting the "rotate" function, the drafter can easily adjust the position of the drawing without having to redraw or recreate it.

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  • 17. 

    When drilling a screw out of nutplate, it's difficult to keep the drill on center because

    • Nutplates are used in only hard to reach areas

    • Screws in nutplates have uneven head surfaces

    • Nutplates float or move around in their brackets

    • Screws in nutplates have very high tensile strenght

    Correct Answer
    A. Nutplates float or move around in their brackets
    Explanation
    When drilling a screw out of a nutplate, it's difficult to keep the drill on center because nutplates float or move around in their brackets. This movement can cause the drill to deviate from the center, making it challenging to maintain accuracy.

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  • 18. 

    When drafting, from where should the light fall on the drawing surface?

    • Directly over the head of the drafter

    • Pointed in the direction of the drafter

    • Over the left shoulder of a left handed drafter

    • Over the left shoulder of a right handed drafter

    Correct Answer
    A. Over the left shoulder of a right handed drafter
    Explanation
    The light should fall over the left shoulder of a right-handed drafter. This positioning of the light helps to minimize shadows and glare on the drawing surface, allowing the drafter to see the details clearly. It also prevents the drafter's hand from casting a shadow on the drawing while working.

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  • 19. 

    If you use a heavy coating of layout dye on your workpiece, you'll have 

    • Ragged and uneven lines

    • Thin, fine lines for layout

    • Distinct, even layout lines

    • A dark surface for layout lines

    Correct Answer
    A. Ragged and uneven lines
    Explanation
    If a heavy coating of layout dye is applied to a workpiece, it will result in ragged and uneven lines. This is because the excessive amount of dye will cause the lines to bleed and spread, creating an irregular and messy appearance.

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  • 20. 

    The purpose of an engineer's or architect's scale is to 

    • Construct lines specifically for an architect

    • Construct lines specifically for an engineer

    • Reduce or enlarge drawings based on the scale

    • Reduce or enlarge drawings based on the print size

    Correct Answer
    A. Reduce or enlarge drawings based on the scale
    Explanation
    An engineer's or architect's scale is used to reduce or enlarge drawings based on the scale. This means that the scale allows the engineer or architect to accurately represent measurements and proportions of the actual object or structure they are designing or constructing. By using the scale, they can create drawings that are proportional and to scale, which helps in accurately representing the final product.

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  • 21. 

    A pair of ring gages used as a set is known as 

    • An exact set

    • A flushpin set

    • A go no go set

    • An inspection set

    Correct Answer
    A. A go no go set
    Explanation
    A pair of ring gages used as a set is known as a "go no go set" because it is used to check if a part's dimensions are within acceptable limits. The "go" gage is the upper limit, and if the part fits through it, it is considered acceptable. The "no go" gage is the lower limit, and if the part does not fit through it, it is also considered acceptable. This set allows for quick and accurate inspection of parts, ensuring they meet the required specifications.

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  • 22. 

    What type of fit is used mainly for permissible movement between mating parts and permits a sliding fit?

    • Clearance

    • Interrupted

    • Transitional

    • Interferance

    Correct Answer
    A. Clearance
    Explanation
    Clearance fit is used mainly for permissible movement between mating parts and permits a sliding fit. This means that there is a gap or clearance between the two parts, allowing for relative movement and sliding between them. This type of fit is commonly used when there is a need for easy assembly and disassembly, as well as when the parts need to slide or move freely without excessive friction or interference.

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  • 23. 

    The line that shows where a note applies to an object on the drawing is a 

    • Break line

    • Leader line

    • Hidden line

    • Phantom line

    Correct Answer
    A. Leader line
    Explanation
    A leader line is a line that is used to indicate where a note or dimension applies to an object on a drawing. It is typically a thin, straight line with an arrow or dot at one end, pointing towards the object being referenced. Leader lines are commonly used in technical drawings to provide clarity and avoid confusion when indicating specific features or measurements on a drawing.

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  • 24. 

    The most likely location for the title block on a print is the 

    • Lower left hand corner

    • Upper left hand corner

    • Upper right hand corner

    • Lower right hand corner

    Correct Answer
    A. Lower right hand corner
    Explanation
    The title block on a print is typically located in the lower right-hand corner. This placement is commonly used to provide important information such as the title of the print, the date it was created, the scale, and other relevant details. Placing the title block in the lower right-hand corner allows it to be easily seen and referenced without obstructing the main content of the print.

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  • 25. 

    One quality of vellum or tracing paper is

    • Wrinkle resistance

    • Heavy construction

    • Moisture resistance

    • Ease of reproduction

    Correct Answer
    A. Ease of reproduction
    Explanation
    Vellum or tracing paper is known for its ability to easily reproduce images or drawings. It is commonly used in the field of art and design because it allows for easy tracing or transferring of designs onto other surfaces. This quality makes it a preferred choice for artists and architects who need to create multiple copies or make alterations to their work.

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  • 26. 

    Covering the drawing board with vinyl or heavy paper.

    • Helps light diffuse on the paper

    • Keeps the drafting paper from slipping

    • Keeps the drafter from getting splinters

    • Helps keep the table from being damaged

    Correct Answer
    A. Helps keep the table from being damaged
    Explanation
    Covering the drawing board with vinyl or heavy paper helps keep the table from being damaged. By placing a protective layer on the drawing board, any potential scratches or marks caused by drafting tools or materials are prevented. This ensures that the table remains in good condition and extends its lifespan.

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  • 27. 

    The compass, least likely to spring out of shape during use, is the 

    • Variable compass

    • End bow compass

    • Side bow compass

    • Center bow compass

    Correct Answer
    A. Center bow compass
    Explanation
    The center bow compass is the least likely to spring out of shape during use compared to the other options. This is because the center bow compass has a sturdy construction with a fixed center leg that provides stability and prevents the legs from bending or flexing easily. The other types of compasses, such as the variable compass, end bow compass, and side bow compass, have movable or flexible legs that are more prone to springing out of shape during use.

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  • 28. 

    If you need to increase the radius of a circle when using the fraction head compass, select

    • Extension bars

    • A large divider

    • Trammel points

    • Side bow attachment

    Correct Answer
    A. Extension bars
    Explanation
    When using the fraction head compass, extension bars are selected to increase the radius of a circle. Extension bars are additional attachments that can be added to the compass legs, allowing for a longer distance between the two legs. By increasing the distance, the radius of the circle can be extended, allowing for larger circles to be drawn.

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  • 29. 

    A non destructive inspection is

    • Using liquid penetrant to identify unknown metals

    • Detecting delamination in materials by using eddy current testing

    • Using radiography to see if magnetic particles will adhere to the structure

    • Detecting variations or dicontinuities in structure without damaging parts

    Correct Answer
    A. Detecting variations or dicontinuities in structure without damaging parts
    Explanation
    A non destructive inspection refers to a method of examining a structure or material without causing any damage to it. It involves detecting variations or discontinuities in the structure without causing harm to the parts. This allows for the identification of any potential issues or defects without compromising the integrity or functionality of the object being inspected.

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  • 30. 

    When you sketch vertical lines, you should use locatiing dots and 

    • Use dividers

    • Sketch upward

    • Start at the middle

    • Sketch downward

    Correct Answer
    A. Sketch downward
    Explanation
    When sketching vertical lines, it is recommended to sketch downward. This is because when we naturally write or draw, our hand tends to move in a downward motion. Sketching downward allows for better control and precision in creating straight lines. It also helps in maintaining consistent line weight and avoids smudging or smearing the drawing. Additionally, starting at the top and sketching downward allows us to have a clear view of the entire line being drawn, ensuring accuracy and alignment.

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  • 31. 

    What computer assised drafting (CAD) line tool creates lines that are parallel to existing lines?

    • Lines from two points

    • Connected lines

    • Horizontal lines

    • Offset lines

    Correct Answer
    A. Offset lines
    Explanation
    The offset lines tool in computer-assisted drafting (CAD) creates lines that are parallel to existing lines. This tool allows users to create lines that are a specific distance away from the original line, while maintaining the same orientation. It is commonly used in CAD software to create parallel lines for various design purposes, such as creating symmetrical shapes or duplicating existing lines.

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  • 32. 

    After you install a heli-coil, remember to properly remove the tang by

    • Pulling it out with a scribe

    • Knocking it through with a scribe

    • Driving it out with a center punch

    • Breaking it off with a break off tool

    Correct Answer
    A. Breaking it off with a break off tool
    Explanation
    After installing a heli-coil, it is important to remove the tang, which is a small tab that holds the coil in place during installation. This can be done by breaking it off with a break off tool. This tool is specifically designed to snap off the tang without damaging the heli-coil or the threaded hole. By breaking off the tang, the heli-coil is securely locked in place, ensuring proper functioning of the threaded hole.

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  • 33. 

    Anit- friction bearing are hardened so 

    • Are easy to install

    • Are more accurate

    • Retain their strength

    • Are corrosion resistant

    Correct Answer
    A. Retain their strength
    Explanation
    The correct answer is "retain their strength." This means that anit-friction bearings are designed to maintain their structural integrity and durability under various conditions. This is important because bearings are subjected to significant loads and forces, and any weakening or deformation could lead to failure or reduced performance. By retaining their strength, the bearings can continue to effectively support and facilitate smooth movement between components, ensuring the overall functionality and reliability of the system they are used in.

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  • 34. 

    When performing a roller sawging operation, make sure you center the bearing and 

    • Press it into the hole wiht the swaging too

    • Make sure the machine runs at 250rpm minimum

    • Make sure the bearing is square with the whole before you press it

    • Use enough force to completely remove the chamfered material from the bearing

    Correct Answer
    A. Make sure the bearing is square with the whole before you press it
    Explanation
    When performing a roller swaging operation, it is important to ensure that the bearing is aligned perpendicular to the hole before pressing it. This is crucial for proper installation and to prevent any misalignment or damage to the bearing or the hole. If the bearing is not square with the hole, it may result in uneven pressure distribution or misalignment of the bearing, leading to potential performance issues or failure. Therefore, it is essential to check and adjust the alignment before pressing the bearing.

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  • 35. 

    The engineer's scale divides inches into 

    • Decimals

    • Fractions

    • Centimeters

    • Millimeters

    Correct Answer
    A. Decimals
    Explanation
    The engineer's scale divides inches into decimals. This means that the scale allows for precise measurements in inches by using decimal values instead of fractions or other units of measurement. Decimal divisions provide a more accurate and consistent way of measuring, making it easier for engineers to work with precise measurements and calculations.

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  • 36. 

    If you have three or more adjacent parts in a cross section, two of the parts should have 45 degree crosshatching, the remaining should ahve crosshatching of 

    • 30 to 45 degrees

    • 45 to 60 degrees

    • 30 to 60 degrees

    • 60 to 90 degrees

    Correct Answer
    A. 30 to 60 degrees
    Explanation
    In a cross section with three or more adjacent parts, it is required to have two parts with 45-degree crosshatching. The remaining part should have crosshatching between 30 to 60 degrees. This means that the angle of the crosshatching lines should be between 30 and 60 degrees, ensuring that it is not less than 30 degrees or more than 60 degrees. This arrangement helps to differentiate and distinguish the different parts in the cross section effectively.

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  • 37. 

    For angular dimensions where no tolerances is given, hold the angle to the nearest 

    • Minute

    • Second

    • Half degree

    • Whole degree

    Correct Answer
    A. Half degree
    Explanation
    When no tolerances are given for angular dimensions, it is recommended to hold the angle to the nearest half degree. This means that the angle can be rounded to the nearest 0.5 degrees. This level of precision allows for a reasonable level of accuracy without being overly specific. Holding the angle to the nearest half degree ensures that the measurement is not rounded too much, which could result in significant errors, while also avoiding unnecessary precision that may not be required for the given application.

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  • 38. 

    Surface roughness is the measurement of finely spaced irregularities whose hieght, width, and direction establish surface

    • Value

    • Pattern

    • Strength

    • Hardness

    Correct Answer
    A. Pattern
    Explanation
    Surface roughness refers to the measurement of the finely spaced irregularities on a surface. These irregularities can vary in terms of their height, width, and direction, and they collectively establish the surface pattern. Therefore, the correct answer is "pattern."

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  • 39. 

    When a computer assised drafting (CAD) technician chooses to change a drawing they MUST

    • Call up the file and edit the drawing

    • Start a new drawing and create a file

    • Completely revise the drawing on the file

    • Delete the original drawing and start again

    Correct Answer
    A. Call up the file and edit the drawing
    Explanation
    When a computer-assisted drafting (CAD) technician chooses to change a drawing, they must call up the file and edit the drawing. This means accessing the existing file and making the necessary modifications directly on it. Starting a new drawing and creating a file would result in a completely separate and unrelated drawing. Completely revising the drawing on the file implies making extensive changes to the existing drawing. Deleting the original drawing and starting again would mean discarding the previous work and creating a new drawing from scratch. Therefore, the most appropriate and efficient action is to call up the file and edit the drawing.

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  • 40. 

    On compound dies, with slower working speeds, the ability to use scrap materials is an advantage because scrap materials

    • Are not all for aircraft

    • Only work on a compound die

    • Offset the cost of operating the machine

    • Can be used by hand as knockout material

    Correct Answer
    A. Offset the cost of operating the machine
    Explanation
    The ability to use scrap materials on compound dies with slower working speeds can offset the cost of operating the machine. This means that instead of purchasing new materials, the scrap materials can be utilized, reducing the overall expenses of running the machine.

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  • 41. 

    The reason you should remove a bearing from their housing at the earliest stage of disasembly is to 

    • Prevent inadvertent contamination

    • Make sure the crew chiefs tag all parts

    • See if you can use it to another assembly

    • Get the part number and order a duplicate just in case

    Correct Answer
    A. Prevent inadvertent contamination
    Explanation
    Removing a bearing from its housing at the earliest stage of disassembly is important to prevent inadvertent contamination. This is because any dirt, debris, or foreign particles that may be present in the housing can contaminate the bearing and cause damage or premature wear. By removing the bearing early on, it reduces the risk of contamination and ensures that the bearing remains clean and in good condition for reassembly.

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  • 42. 

    To keep your T square from warping, you should

    • Lay it flat

    • Stand it up

    • Oil it regularly

    • Hang it by the head

    Correct Answer
    A. Lay it flat
    Explanation
    To keep your T square from warping, it is best to lay it flat. This is because when a T square is laid flat, it distributes the weight evenly across its surface and reduces the chances of bending or warping. Standing it up or hanging it by the head can put uneven pressure on the T square, causing it to warp over time. Oiling it regularly may help with maintenance, but it is not specifically related to preventing warping.

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  • 43. 

    The tool used to transfer measurements and distances is 

    • Dividers

    • Large calipers

    • A bow compass

    • A trammel point set

    Correct Answer
    A. Dividers
    Explanation
    Dividers are a tool commonly used to transfer measurements and distances accurately. They consist of two sharp points that can be adjusted to a desired distance and locked in place. By placing one point on a starting point and opening or closing the other point, the measurement can be transferred to another location. Dividers are commonly used in various fields such as woodworking, metalworking, and drafting to ensure precise measurements and layouts.

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  • 44. 

    When constructing a straight line, equal to an arc, set  the dividers to divide the

    • Line into two parts

    • Arc into equal parts

    • Line into equal parts

    • Arc into unequal parts

    Correct Answer
    A. Arc into equal parts
    Explanation
    When constructing a straight line equal to an arc, the dividers are set to divide the arc into equal parts. This means that the length of the straight line will be divided into segments that are of equal length to the corresponding segments of the arc. This ensures that the straight line is an accurate representation of the arc and that both have the same proportionate lengths.

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  • 45. 

    For fractional dimensions such as 1/8" and 1/16", the amount of tolerance on a print is

    • 1/64"

    • 1/16"

    • 1/8"

    • 1/4"

    Correct Answer
    A. 1/64"
    Explanation
    For fractional dimensions such as 1/8" and 1/16", the amount of tolerance on a print is 1/64". This means that the allowable deviation or variation from the specified dimension is 1/64 of an inch. In other words, the actual measurement of the part can be up to 1/64" smaller or larger than the specified dimension and still be considered within tolerance. This level of tolerance is smaller and more precise compared to the other options provided (1/16", 1/8", and 1/4"), indicating that the manufacturing process requires a higher level of accuracy and precision for these fractional dimensions.

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  • 46. 

    A defect found in tools manufactured with low grade steel is 

    • Uneven tensile strength

    • Lower magnetic strength

    • Carbide and cobalt inclusions

    • Uneven eutectic melting point

    Correct Answer
    A. Uneven tensile strength
    Explanation
    A defect found in tools manufactured with low-grade steel is uneven tensile strength. This means that the steel used in the tools does not have a consistent strength throughout its structure. This can lead to inconsistencies in the performance and durability of the tools, as some areas may be weaker than others. Uneven tensile strength can cause the tools to break or fail under stress, reducing their effectiveness and potentially posing safety risks.

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  • 47. 

    If you slect an ezy-out to remove a broken stud, drill

    • And tap the hole first

    • All the way through the stud

    • Out the stud to tap drill diameter

    • Only deep enough to seat the ezy-out

    Correct Answer
    A. All the way through the stud
    Explanation
    The correct answer is "all the way through the stud". When using an ezy-out to remove a broken stud, it is necessary to drill and tap the hole all the way through the stud. This ensures that the ezy-out can be properly seated and allows for the stud to be completely removed. Drilling and tapping the hole only deep enough to seat the ezy-out may not provide enough grip or force to successfully remove the broken stud. Therefore, drilling and tapping all the way through the stud is the correct approach.

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  • 48. 

    To indicate the location of the center of an arc, use 

    • Only vertical dimensions

    • Only horizontal dimension

    • The angles of intersecting lines

    • One horizontal and one vertical dimension

    Correct Answer
    A. One horizontal and one vertical dimension
    Explanation
    To indicate the location of the center of an arc, one horizontal and one vertical dimension are used. This is because the center of an arc is determined by its position along both the horizontal and vertical axes. By specifying both dimensions, the exact location of the center can be accurately identified.

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  • 49. 

    The process that produces relief marking on materials that have thick cross sections is 

    • Coining

    • Piercing

    • Drawing

    • Crimping

    Correct Answer
    A. Coining
    Explanation
    Coining is the process of producing relief markings on materials that have thick cross sections. This technique involves compressing the material between two dies to create a raised design or pattern. The pressure applied during coining causes the material to deform and take the shape of the die, resulting in a permanent and precise relief marking. Coining is commonly used in the manufacturing of coins, jewelry, and other metal products where fine details and high-quality finishes are desired.

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Quiz Review Timeline (Updated): Mar 18, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 18, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 20, 2012
    Quiz Created by
    Jamesh112390
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