2A7X3 VOL. 1 EDIT CODE 6

When using a microstop countersink, each increment of the micrometer adjustment increases the depth-of- cut by a. 0.001 inch b. 0.002 inch c. 0.0001 inch d. 0.0002 inch

a. 0.001 inch

When using a microshaver, you set it how many thousandths of an inch above the skin? a. 0.002. b. 0.004. c. 0.006. d. 0.008.

a. 0.002.

How is a metal-bonded honeycomb panel constructed? a. A core bonded between two metal facings. b. A core bonded between two layers of glass. c. Two sheets of nonalloyed aluminum metal separated by a core. d. Two layers of similar metals separated by a piece of glass cloth laminate.

a. A core bonded between two metal facings.

Which statement best describes the relationship between blueprints and mechanical drawings? a. Blueprints are another name for mechanical drawings. b. Blueprints are much larger than mechanical drawings. c. Blueprints are much smaller than mechanical drawings. d. Blueprints are on blue paper and mechanical drawings are on brown paper.

a. Blueprints are another name for mechanical drawings.

Which of these is not one of the three general groups of dimensions? a. Exact. b. Detail. c. Overall. d. Position.

a. Exact.

What type of file is used primarily for sharpening circular saws and edge tools? a. Mill b. Flat c. Round d. Triangle

a. Mill

What layout tool do you use to mark cut lines on metal surfaces? a. Scriber b. Dividers c. Prick punch d. Layout punch

a. Scriber

What type of hammer do you use for double seaming lids? a. Setting b. Riveting c. Ballpeen d. Planishing

a. Setting

What metal property is defined as the resistance to a cutting action like the cutting done by a pair of scissors? a. Shear strength. b. Tensile strength. c. Torsional strength. d. Compressive strength.

a. Shear strength.

For rivet and bolt applications it is especially important to consider what type of stress? a. Shear. b. Tension. c. Bending. d. Compression.

a. Shear.

What do you select to rivet, form, and seam square- or rectangular-shaped materials? a. Solid mandrel stake. b. Conductor stake. c. Blowhorn stake d. Creasing stake.

a. Solid mandrel stake.

What adjustment is required when the bar folder does not operate freely? a. Thickness. b. Radius. c. Width. d. Angle.

a. Thickness.

What do you adjust if the cornice brake bends a piece of metal excessively at one end? a. Top Leaf. b. Folding leaf. c. Bending leaf. d. Clamping bar.

a. Top Leaf

When documenting equipment discrepancies, what does a red X denote on an Air Force Technical Order (AFTO) Form 244, Industrial/Support Equipment Record? a. Unsafe condition. b. Unknown condition. c. Safe for use condition. d. Unsatisfactory condition

a. Unsafe condition.

Which method of curving an extruded angle is usually more satisfactory because it is faster and easier, and affects the metal less? a. V-block. b. Sandbag. c. Stretching. d. Hardwood form block.

a. V-block.

Fiberglass radomes and parts are constructed using a. a fiberglass honeycomb core with fiberglass face plies. b. two or more plies of fiberglass laminated together. c. a phenolic honeycomb core with metal face plies. d. solid laminate plies of fiberglass.

a. a fiberglass honeycomb core with fiberglass face plies.

The amount of metal needed to form a bend is called the a. bend allowance. b. radius of the bend. c. degree of the bend. d. setback allowance.

a. bend allowance.

When you're hand-forming an angle by shrinking, the flange tends to a. buckle at the bend. b. buckle at the outside edges. c. remain smooth at the inside bend. d. remain smooth at the outside edges.

a. buckle at the bend.

A thin line having alternating and evenly spaced long and short dashes is a a. center line. b. border line. c. hidden line. d. dimension line.

a. center line.

When you substitute a thinner metal that is stronger than an original metal, you a. decrease torsional strength. b. increase torsional strength. c. decrease shear strength. d. increase shear strength.

a. decrease torsional strength.

The machine capacity of a rotary punch is found on the a. front of each die holder. b. individual punches. c. upper turret. d. lower turret.

a. front of each die holder.

The unit of measurement used with a scale is the a. gram b. pound c. ounce d. kilogram

a. gram

When reaming holes in aluminum, the most probable cause of the reamer starting to scrape and swedge the material, rather than cut it is that the a. holes were drilled oversize. b. holes were drilled undersize. c. spirals on the reamer are opposite to the rotation of the reamer. d. spirals on the reamer are pointed in the same direction as the rotation of the reamer.

a. holes were drilled oversize.

A metal that can be hammered, rolled, or pressed into various shapes without breaking has a high degree of a. malleability. b. elasticity. c. ductility. d. density.

a. malleability.

The flutes on twist drills are necessary because they a. provide a means of chip removal. b. cool the material being drilled as the twist drill rotated. c. reduce the weight of the twist drill, permitting higher cutting speeds. d. prevent the twist drill from cooling too quickly, which may cause the twist drill to crack.

a. provide a means of chip removal.

You can form a conical shape with the slip roll former by a. setting the back roller at an angle. b. using the grooved portion of the rolls. c. feeding the metal through the roller on a diagonal. d. reversing the metal after each pass through the rollers.

a. setting the back roller at an angle.

A blowhorn stake is best suited for a. shaping objects with abrupt tapers. b. performing double seaming of large objects. c. shaping and riveting round and square objects. d. making straight bends as well as for folding and bending edges.

a. shaping objects with abrupt tapers.

The relationship between the strength of a material and its weight per cubic inch is the a. strength/weight ratio. b. tensile strength. c. shear strength. d. density.

a. strength/weight ratio.

Rivet holes that will be dimpled using hand-dimpling dies are drilled a. to the correct size after dimpling. b. to the correct size before dimpling. c. undersized so they will expand during the riveting operation. d. oversized to allow for the expansion of the rivet shank during the riveting operation.

a. to the correct size after dimpling.

To show three dimensions on a drawing, it is usually necessary to show at least a. two views. b. three views. c. four views. d. five views.

a. two views.

To locate a specific point on a blueprint, you use letters and a. zone numbers. b. station numbers. c. drawing numbers. d. usage block numbers.

a. zone numbers.

If the K-value for 90° is 1 then what is the required amount of setback for a 90° bend with a radius of ¼ inch and the metal thickness is 0.062 inch? a. 0.187 inch. b. 0.312 inch. c. 11/32 inch. d. ⅜ inch.

b. 0.312 inch.

How many teeth per inch are recommended on a hacksaw blade used for cutting thick wall tubing? a. 32 b. 24 c. 12 d. 10

b. 24

Which forming process involves using a smooth-face dolly? a. Crimping. b. Bumping. c. Seaming. d. Pleating.

b. Bumping.

What type of chisel is best suited for cutting slots and keyways? a. Flat b. Cape c. Diamond point d. Half roundnose

b. Cape

What type of punch do you use to align fastener holes in two pieces of metal? a. Pin b. Drift c. Starting d. Transfer

b. Drift

Which fiberglass assembly consists of two or more layers of fiberglass cloth bonded together with the aid of heat and pressure? a. Filament. b. Laminated. c. Mat-molded. d. Honeycomb.

b. Laminated.

What type of hammer do you use to do Light chiseling? a. Mallet b. Riveting c. Framing d. Rawhide

b. Riveting

What do you usually use as a support during the bumping process? a. V-block. b. Sandbag. c. Shrinking block. d. Hardwood form block.

b. Sandbag.

What type of grinding wheel do you use when you're grinding aluminum using a bench grinder? a. Aluminum oxide b. Silicon carbide c. Diamond d. Garnet

b. Silicon carbide

What metal property is defined as the resistance of a metal to being pulled apart by a slowly applied load? a. Shear strength. b. Tensile strength. c. Torsional strength. d. Compressive strength.

b. Tensile strength.

What do you adjust to make the contour metal cutting saw blade track properly? a. Roller guide b. Tilting wheel c. Upper guide block d. Lower guide block

b. Tilting wheel

On a plane surface drawing, what is the longest horizontal dimension that is represented at right angles to the length? a. Depth. b. Width. c. Distance. d. Projection.

b. Width.

Angles less than (<) 90° are defined as a. obtuse. b. acute. c. right. d. left.

b. acute.

To use the job selector dial on a contour metal cutting saw you must know the a. type blade already installed b. material's composition and thickness c. pitch of the material being cut based on thickness d. degree the material being cut placed in relationship to the blade.

b. material's composition and thickness

When forming a flange by stretching you start hammering on an angle a. near the ends, working quickly to the center. b. near the ends, working gradually to the center. c. at the center, working quickly toward the ends. d. at the center, working gradually toward the ends.

b. near the ends, working gradually to the center.

When cutting magnesium alloy sheet metal you should never use a a. router. b. nibbler. c. hacksaw. d. circular saw

b. nibbler.

On an oblique drawing, the object being drawn is placed a. on the same plane as the projection. b. parallel to the plane of projection. c. at right angles to the projection. d. conveniently for the illustrator.

b. parallel to the plane of projection.

You can ensure a reciprocating saw is cutting properly by selecting a blade a. thinner than the thickness of the material being cut. b. pitch where at least two teeth will cut at all times. c. equal to the thickness of the material being cut. d. where five teeth cut simultaneously.

b. pitch where at least two teeth will cut at all times.

The largest twist drill the chuck on a hand drill can normally accommodate is a. 3/16 inch. b. ¼ inch. c. 5/16 inch. d. ⅜ inch.

b. ¼ inch.

What technical order (TO) has information on the designations and identification of titanium? a. 00-20-1. b. 34-1-1. c. 1-1A-9. d. 1-1-691.

c. 1-1A-9.

What is the maximum bed gap allowed when using a powered disc sander? a. 1/32 inch b. 1/16 inch c. 1/8 inch d. 1/4 inch

c. 1/8 inch

The included angle of a twist drill used for most metals is a. 45°. b. 90°. c. 118°. d. 136°.

c. 118°.

What grit of sandpaper do you use to properly remove oxidation from the bare metal of a machine surface? a. 100. b. 180. c. 400. d. 600.

c. 400

The quotient .62 results from dividing a. 463 by .73. b. 464 by .76. c. 465 by .75. d. 466 by .77.

c. 465 by .75.

Which steel alloy would you chose for corrosion resistance and hardness? a. Nickel. b. Tungsten. c. Chromium. d. Molybdenum

c. Chromium.

What is used to determine the depth of a corrosion pit? a. Magnifying glass b. Straightedge c. Depth gauge d. Scriber

c. Depth gauge

What type of chisel is best for cutting V-shaped grooves? a. Flat b. Cape c. Diamond point d. Half roundnose

c. Diamond point

What is not a reason why composite-bonded materials are being used in place of conventional materials? a. Weight reduction. b. Cost effectiveness. c. Ease of fabrication. d. Strength-to-weight ratio.

c. Ease of fabrication.

What Air Force Technical Order (AFTO) form is used to document equipment maintenance? a. Form 196, Equipment Record. b. Form 227, Equipment Maintenance. c. Form 244, Industrial/Support Equipment Record. d. Form 260, Equipment Discrepancies.

c. Form 244, Industrial/Support Equipment Record.

What is the best file to use on a concave surface? a. Combination b. Double-cut c. Half-round d. Single-cut

c. Half-round

Which hand-forming operation refers to the reduction of an area of a piece of metal? a. Bumping. b. Crimping. c. Shrinking. d. Stretching.

c. Shrinking.

What type of file do you use to sharpen the blades of cutting tools? a. Square b. Triangle c. Single-cut d. Double-cut

c. Single-cut

What type of metal-cutting snips is known as tinner's snips? a. Offset b. Curved c. Straight d. Aviation

c. Straight

What is the identifying color for Aramid/epoxy materials? a. Black. b. White. c. Yellow-gold. d. Translucent green

c. Yellow-gold.

An auxiliary view on a surface drawing provides a. a common view of an orthographic projection. b. a surface appearance viewed at a 45° angle. c. a surface appearance viewed at a 90° angle. d. an additional view of the side.

c. a surface appearance viewed at a 90° angle.

If you need to add additional crimps to shrink a formed angle, you place them a. in the location of the original crimps. b. on the ends of the formed angle. c. between the original crimps. d. in the middle of the angle.

c. between the original crimps.

If the material is not held flat against the face of the form during the bumping process it will a. crack. b. crease. c. buckle. d. distort.

c. buckle.

When stretching and shrinking, the edge of flanges can crack and split as the result of a. stretching the flange too quickly. b. under-adjusting the length of foot stroke. c. repeating the strokes too long in one spot. d. using the wrong set of jaws in the machine.

c. repeating the strokes too long in one spot.

What is the maximum safe gap between the wheel and the work rest of the pedestal grinder? (006) What a. 1/32 inch. b. 1/16 inch. c. ⅛ inch. d. ¼ inch.

c. ⅛ inch.

What is the coarsest abrasive sheet or emery paper you can use to blend out long, deep scratches on titanium? a. 420 grit. b. 320 grit. c. 220 grit. d. 120 grit.

d. 120 grit.

When you're cutting solid stock aluminum how many teeth per inch are recommended for the hacksaw blade? a. 10 b. 12 c. 16 d. 18

d. 18

The product 136.97193 results from multiplying a. 26.502 by 13.04. b. 27.231 by 6.13. c. 27.231 by 5.13. d. 27.231 by 5.03.

d. 27.231 by 5.03.

In what series technical order (TO) can you find specific equipment maintenance inspection and maintenance requirements? a. 00-5. b. 00-20. c. 3. d. 34.

d. 34.

If you had to select an aluminum alloy that is high in strength without a substantial loss in workability, which alloy should you select? a. 1000. b. 1100. c. 3003. d. 5052.

d. 5052.

The heat-treatable aluminum alloy that offers the best weldability is a. 2024. b. 2025. c. 5053. d. 6061.

d. 6061.

The included angle of a center punch point should be a. 30˚. b. 45˚. c. 60˚. d. 90˚.

d. 90˚.

What area of a metal-bonded honeycomb panel is referred to as the transition area? a. Bay area. b. Flat portion. c. Panel attachment area. d. Area between the flat section of the panel and the panel attachment area

d. Area between the flat section of the panel and the panel attachment area.

Which of these metals is ferrous? a. Zinc. b. Gold. c. Silver. d. Cast iron.

d. Cast iron.

In all drawings, what term represents the longest horizontal dimension of a plane figure? a. Depth. b. Width. c. Height. d. Length.

d. Length.

What is the world's lightest structural metal? a. Copper. b. Titanium. c. Aluminum. d. Magnesium.

d. Magnesium.

What identifies the transparent plastics used on Air Force aircraft? a. Manufacturer's technical data. b. Specific aircraft technical order. c. Thickness in thousandths of an inch. d. Military specification number on the part.

d. Military specification number on the part.

What type of drawing do you use to manufacture an object using very thin, flat metal? a. Multiple-view. b. Triple-view. c. Double-view. d. Single-view.

d. Single-view.

What stresses occur when you bend a piece of metal in a cornice brake? a. Shear and tension. b. Torsion and tension. c. Compression and shear. d. Tension and compression.

d. Tension and compression.

What makes coin-dimpling superior to the radius-dimpling? a. The concave shape of the female die. b. The sliding coining ram in the male die. c. The 2° slope of the pilot on the male die. d. The sliding coining ram of the female die.

d. The sliding coining ram of the female die.

Which lever shear can cut sheet metal of unlimited length or width? a. Scroll b. Lever c. Circle d. Throatless

d. Throatless

What section of the Air Force Technical Order (AFTO) Form 244 is used to document equipment discrepancies? a. I. b. III. c. IV. d. V.

d. V.

Besides being cost effective, composite materials have excellent a. weight qualities. b. strength qualities. c. reparability characteristics. d. fatigue- and corrosion-resistance qualities.

d. fatigue- and corrosion-resistance qualities.

When forming a flange by shrinking you start hammering on an angle at a. either end, working quickly to the other. b. either end, working gradually to the other. c. the center, working quickly toward both ends. d. the center, working gradually toward both ends.

d. the center, working gradually toward both ends.

The product of multiplying 5/6 by 3/5 is a. 17/18. b. 18/25. c. 8/11. d. ½.

d. ½.