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100 Cards in this Set
- Front
- Back
When drafting, from where should the light fall on the drawing surface? |
d. Over the left shoulder of a right handed drafter. |
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Cover the drawing board with vinyl or heavy paper |
d. helps keep the table from being damaged. |
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One quality of vellum or tracing paper is |
d. ease of reproduction |
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To store blueprints or mechanical drawings, you should |
b. store them flat |
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Basic drafting equipment consists of |
b. a drawing board, T square, and drafting instruments |
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To keep your T square from warping, you should |
a. lay it flat |
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When you need to quickly draw angles of other than multiples of 15 degrees, a good tool to select is |
d. an adjustable triangle |
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The purpose of an engineer's or architects's scale is to |
d. reduce or enlarge drawings based on the scale. |
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The engineer's scale divides inches into |
a. decimals |
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The scale, used most often in drafting, is the |
d. architect's scale |
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The compass, LEAST likely to spring out of shape during use, is the |
d. center bow compass |
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If you need to increase the radius of a circle, when using a friction head compass, select |
a. extension bars |
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The tool used to transfer measurements and distances is |
a. dividers |
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When you use dividers to step off equal spaces on a line, you |
c. alternate clockwise and counterclockwise steps. |
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You can reduce the time you do repetitive drafting jobs by using |
c. drafting templates |
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If you use a heavy coating of layout dye on your workpiece, you'll have |
a. ragged and uneven lines |
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A good application of the small rule with holder is measuring |
a. internal recesses |
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When you construct a figure using geometric construction, use a |
a. pencil, a compass, and a straightedge |
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When you need to divide and area into equal spaces, use a scale that |
b. spans slightly more than the space that you want to divide |
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When constructing a perpendicular bisector, the method MOST accurate is |
a. using geometric construction |
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Which is NOT true of using arcs? |
b. Is not accurate |
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When constructing circles and arcs on drawings, first draw |
b. the circles or arcs |
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When constructing a straight line, equal to an arc, set the dividers to divide the |
b. arc into equal parts |
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When you construct plane figures, you're showing |
c. three dimensional objects, like a ball |
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A pictorial view of an object is given by an |
a. oblique projection |
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When the projection lines are parallel to each other and perpendicular to the projection plane, the projection is known as |
d. an orthographic projection |
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The MINIMUM number of views needed in an orthographic projection is |
a. 1 |
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The MAIN reason to include and auxiliary view on a print is |
b. for clarification of an object or detail |
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When you have to show two or more different direction cutting planes through and object, use the |
c. offset section |
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If you have three or more adjacent parts in a cross section, two of the parts should have 45 degree crosshatching, the remaining parts should have crosshatching of |
c. 30 degrees or 60 degrees |
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To construct an oblique projection, always situate the side with the most complex or irregular feature as the |
d. front view |
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The lines that define the end limits of an edge or surface to which a measurement applies are known as |
c. extension lines |
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The lines that shows where a note applies to an object on the drawing is a |
b. leader line |
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The lines that represent the axes of symmetrical parts and serve as extension lines for holes or other features are called |
b. center lines |
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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 |
b. a break line |
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If you dimension a long arc whose center is off the print, the leader line is |
a. broken |
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To indicate the location of the center of a large arc, use |
d. one horizontal and one vertical dimension |
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When you show contour dimensions, show the size and location of holes in the |
b. views where the contours appear |
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What feature permits a screw head to seat flush with the parent material |
c. Countersink |
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For press fit purposes, the information you must include on the print for knurling is the |
c. tolerance diameters before the knurl. |
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For fractional dimensions such as 1/8" and 1/16", the amount of tolerance on a print is |
a. 1/64" |
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The tolerance for a dimension with two place(X.XX) decimal is |
b. 0.010 inch |
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For angular dimensions where no tolerance is given, hold the angle to the nearest |
c. half degree |
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Surface roughness is the measurement of finely spaced irregularities whose height, width, and direction establish surface |
b. pattern |
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Lay is defined as |
c. the surface pattern produced by tool marks |
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Welding symbols give ALL necessary information for a print, weld symbols give |
a. type of weld and weld contour |
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To show that weld needs to palced on the other side of the part the welding symbol should be placed |
d. on the top of the reference line |
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A tolerance zone defined by two parallel planes is the decription of |
a. flatness tolerance |
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A tolerance zone is at a right angle to a datum plane is a |
d. perpendicular tolerance |
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When you sketch vertical lines, you should use locating dots and |
d. sketch downward |
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When constructing a drawing, ALL non-essential lines are drawn |
a. lightly and erased later |
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The MOST LIKELY location for the title block on a print is the |
d. lower right hand corner |
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Notes that apply directly to a particular portion of a drawing are called |
a. local notes |
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What computer assisted drafting (CAD) line tool creates lines that are parallel to existing lines? |
d. Offset lines |
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When a computer assisted drafting (CAD) technician chooses to change a drawing they MUST |
a. call up the file and edit the drawing |
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What computer assisted drafting (CAD) permits the drafter to pivot the drawing on its axis? |
d. Rotate |
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When designing a tool item, the important aspect of standard fasteners that you consider is, they are |
c. readily available |
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Screws used to fasten pulleys and gears onto shafts are also known as |
c. setscrews |
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The MOST common self locking nuts found on aircraft are |
d. fiber insert nuts |
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On ordinary working gages, manufactures allow a tolerance of |
d. 10 percent |
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Nonferrous tool materials include such materials as |
b. tungsten in carbide form |
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A defect found in tools manufactured with low grade steel is |
a. uneven tensile strength |
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The BEST way to keep thermal expansion to a minimum is to |
c. keep tools sharp and use lots of coolant |
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If you're going to machine a series of holes in a workpiece and the location is not critical, |
c. drill the holes on a drill press |
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The leading cause of tool failure is |
c. faulty design |
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Which one of the following statements is true? |
a. A jig guides the cutting tool and a fixture does not |
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What jig permits you to perform machine operations on three sides? |
c. Channel jig |
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To drill holes in the flange of a shaft collar, use |
a. a ring jig |
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A disadvantage of using screw guides is that |
a. the threads wear and the guide becomes inaccurate |
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When placing a workpiece on a V locator, you restrict movement |
a. laterally |
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Having a diamond locator pin on a cylindrical locator permits |
d. a slight deviation between the holes in the workpiece |
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The process that produces relief markings on materials that have thick cross sections is |
a. coining |
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An advantage of using an INVERTED die procedure is, you |
a. have reduced the possibility of bending stock |
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A disadvantage of using progressive operations on thin materials is, the dies |
a. dish the blank |
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On compound dies, with slower working speeds, the ability to use scrap material is and advantage because scrap materials |
c. offset the cost of operating the machine |
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When using the rubber die process, the |
d. metal is cut in tension instead of in shear |
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A non-destructive inspection is |
d. detecting variations of discontinuities in structure without damaging parts |
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A pair of ring gages used as a set is known as |
c. a Go-No-Go set |
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To overcome reading errors, when using precision measuring instruments, you MUST |
a. train and practice |
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What type of fit used mainly for permissible movement between mating parts and permits a sliding fit? |
a. Clearance |
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If you were to assemble a flywheel and ring gear, what fit would you select? |
c. FN 5 |
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An EXCELLENT method for accurately reworking an out of round internal taper is |
b. honing |
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the MAXIMUM recommended length of a lap, for lapping long spindles, is |
d. 4 times the work diameter |
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The width of the spline face of a locally manufactured stud removal tool should be |
d. 1/32" for smaller studs. |
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If you select and Eazy-Out to remove a broken stud, drill |
b. all the way through the stud |
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When you replace a stud with a lockpin that DOES NOT cut into the threads you should |
c. drill a new pin hole |
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If you have to remove a broken plug, try |
b. an extractor |
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When using a hacksaw blade to remove a broken plug, |
b. make a wooden handle |
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To modify a speed handle to make it more useful for removing screws, |
a. make a pressure pad for more pressure |
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When drilling a screw out of a nutplate, it's difficult to keep the drill on center because |
c. nutplates float or move around in their brackets |
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After you install a Heli-Coil, remember to properly remove the tang by |
d. breaking it off with a breakoff tool |
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The type of bearing that permits movement along a straight line is a |
b. slipper bearing |
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Anti-friction bearings are hardened so they |
c. retain their strength |
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Fabric lined anti-friction bearings are especially designed for |
c. heavy load applications |
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To install an aircraft bearing that needs exceptionally high radial load capacity in a small size, select |
d. an aircraft needle bearing |
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The reason that you should remove bearings from their housing at the earliest stage of disassembly is to |
a. prevent inadvertent contamination |
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When performing a roller swaging operation, make sure you center the bearing and |
c. make sure the bearing is square with the hole before you press it |
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After maintenance on a Red X aircraft discrepancy is complete, who signs off the RED X symbol? |
c. The inspector that checked the completed work |
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What form is used for shop equipment that requires only a prior to use inspection and is repairable but in an unserviceable condition? |
b. DD Form 1577-2 (Green Tag) |
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As an aircraft metals technologist performing field level repairs, you're required to complete |
a. Class A Certification |