Tools And Sewing

1. What are the different types of screwdrivers normally used in an aircrew flight equipment shop?

Common, cross-tip, cross-point, offset, jeweler’s, and ratchet.

Cross-tip, cross-point, cabinet, and stubby.

Common, offset, jeweler’s, and ratchet.

Cabinet, offset, stubby, and apex.

2. What will help you keep track of your tools?

Toolbox.

Tool inventory list.

Toolbox and tool inventory list.

Hand receipt and your section chief.

3. You apply a light coat of oil when caring for pliers to

Prevent corrosion.

Prevent corrosion and discoloration.

Prevent corrosion and to lubricate the pivot point.

Lubricate the pivot point, making scissors action smoother.

4. Why is cotton duck "canvas" primarily used in the construction of protective covers?

Low cost and fire resistance.

Low cost and wear characteristics.

Water proof and mildew resistance.

Fire resistance and wear characteristics.

5. Which tester uses a 9V battery as a power source?

MQ–1 only.

DMH–1 only.

MQ–1/MQ–1A.

DMH–1 and MQ–1/MQ–1A.

6. Which of the following is not an inspection item for a sewing machine?

Missing parts.

Material thickness.

Condition of needle.

Condition of the drive belt.

7. What is the first inspection requirement for all thermal radiation barrier curtains?

Fit.

Operation.

Cleanliness.

Attachment.

8. Which type of pliers should be used for cutting small, light materials like wires and cotter pins?

Lineman’s side-cutting.

Diagonal-cutting.

Slip-joint.

Vise-grip.

9. Which of the following in not an ideal storage condition for textile materials?

Exposure of direct sunlight.

Smooth wooden shelves.

Temperature of 70°F.

Humidity control.

10. When threading the tension and thread controller assemblies on the 206RB sewing machine, which letter do you form with the needle thread?

N.

S.

V.

Z.

11. The stages of troubleshooting are to

Use trial and error and go from simple to complex.

Figure out the cause, trial and error, and apply the solution.

Identify the problem, figure out the cause, and apply the solution.

Identify the problem, trial and error, and go from simple to complex.

12. Rigid upholstery foundations must provide

Movement and comfort.

Comfort and strength.

Strength and an anchor surface for the cover.

Movement and an anchor surface for the cover.

13. What type of wrench would be used when the correct size wrench or socket is not available?

Box-end.

Open-end.

Adjustable

Combination.

14. Which knot is used primarily to tie survival items and accessories to life rafts and life preservers?

Square.

Bowline.

Surgeon’s and a square.

Surgeon’s and an overhand lock.

15. How do you hand shears to another person?

Open and offer the tip.

Closed and offer the tip.

Open and offer the handle.

Closed and offer the handle.

16. If a long measuring tape is allowed to sag, it

Can increase the measurement.

Can decrease the measurement.

Does not affect the measurement.

Has little affect on the measurement.

17. The parachute-packing paddle (fid) can be made out of any suitable, strong, and pliable material except

Wood.

Teflon.

Plastic.

Aluminum.

18. What thread runs parallel to the selvage edge and forms the framework for the material?

Warp.

Filler.

Woof.

Pick.

19. At what temperature range does "Nomex®" material begin to char?

500° to 600° F.

550° to 650° F.

700° to 800° F.

800° to 900° F.

20. What will happen if shears are sharpened from the handle to the tip?

The blades will be sharpened at the wrong angle.

The heat draws out the spring temper.

The spring action will be increased.

Nothing, this is the correct method.

21. Which piece of safety equipment is used to limit damage from falling objects?

Gloves.

Face shield.

Safety shoes.

Ear protection.

22. What should you use to dissolve grime that has built up on a sewing machine?

Acetone.

Paint thinner.

Isopropyl alcohol.

Dry cleaning solvent

23. While sewing heavy material your needle starts bending and finally breaks, to correct this problem you must install a

Sharper needle.

Longer needle.

Shorter needle.

Larger diameter needle.

24. When fabricating a protective cover, which seam formation provides the cover watershed characteristics?

SSa–1.

SSc–2.

LSq–2

LSc–2.

25. To ensure a soundproofing panel will fit properly, you should

Use the old panel as a pattern.

Measure the new panel for all cutouts.

Allow the standard seam allowance.

Use the aircraft blueprints for a pattern.

26. What equipment can you as an aircrew flight equipment journeyman work with?

Stencil machine.

Sewing machines.

All power tools under direct supervision.

Only items you are trained and authorized to use.

27. What can result if you do not use stencil paper in the stencil machine?

The dies and punches can jam.

The dies and punches can be dulled.

The stencil machine will not operate.

Nothing, you can use any cardstock paper.

28. What component reduces needle thread friction on the Chandler® 767 sewing machine?

Oil cup.

Presser bar.

Tension disks.

Thread take-up spring.

29. What is one rule to follow when using an adjustable wrench to remove a nut?

Ensure a tight fit on the nut.

Push rather than pull the wrench.

Extend the handle for more leverage.

Use the wrench so the pulling force is applied to the adjustable jaw.

30. What is the advantage of the portable press?

It has perfect alignment features.

It controls the depth of installation.

The ability to be used in tight places.

The snaps are locked in place prior to installation.

31. The Consew® 206RB sewing machine motor with clutch has a maximum speed of how many stitches per minute?

3,300.

3,000.

2,800.

2,200.

32. You can identify the Phillips screwdriver by its

Cross-tip and blunt end.

Cross-tip and sharp end.

Cross-point and blunt end.

Cross-point and sharp end.

33. When installing a needle into the needle bar, ensure the long groove faces to the

Right.

Left.

Front.

Rear.

34. What type of feed does the Consew® 206RB sewing machine have?

Drop.

Lifting.

Vibrating.

Compound.

35. Which type of light is allowed to show through the closed curtain during inspection of thermal radiation barrier curtains?

Direct.

Defused.

Opaque.

Translucent.

36. Which tester incorporates the use of the A–14 regulator?

MQ–1 only.

DMH–1 only.

MQ–1/MQ–1A.

DMH–1 and MQ–1/MQ–1A.

37. Protective covers used outdoors should be made

Of durable, translucent material.

With grommets to cover a wide variety of shapes.

Of durable, preferably water resistant fabric.

Of relatively light weight fabric to protect top secret equipment.

38. What type of material is used to repair soundproofing panels?

The same type as the outer layer.

The same type as the inner layer.

Fiberglass vinyl laminate.

Cement patch fabric.

39. What type of stone should be used to sharpen shears?

Fine to medium.

Fine to coarse.

Medium to coarse.

Coarse only.

40. Besides being of sufficient length and width to hold the complete parachute assembly, which of the following meets the specialized requirements for parachute packing tables?

Sturdy, sealed wood finish.

Portable, sealed wood finish.

Portable and padded at one end.

Sturdy, finished in unsealed wood.

41. What are the two basic types of weave patterns?

Plain and twill.

Plain and twist.

Twill and twist.

Twill and diagonal.

42. On what axis does the stitch forming mechanism rotate on the Consew® 206RB sewing machine and what part drives the hook?

Vertical, pinion gear.

Horizontal, pinion gear.

Vertical, hook driving shaft.

Horizontal, hook driving shaft.

43. Approximately how many stitches per inch (SPI) are used in forming the basting stitch?

Three.

Four.

Five.

Six.

44. Which seam characteristic is least important to its construction?

Strength.

Security.

Durability.

Appearance.

45. What component is used to engage the clutch with the motor?

Presser bar lifter lever.

On/off switch.

Balance wheel.

Treadle.

46. What class of seam do you use when the bulk of the seam must be minimized?

Class FS, flat.

Class BS, bound.

Class LS, lapped.

Class SS, superimposed.

47. What fabric is used for protective covers and is versatile, durable, and can be treated with a variety of chemicals?

Naugahyde®.

Cotton duck.

Herculite®.

Artificial leather.

48. What can you do to ensure maximum benefits from the tools you use and reduce the chances of serious injury?

Observe all safety guidelines.

Use powered tools as a last resort.

Use powered tools under direct supervision.

Determine the safety rules that apply to the situation.

49. What must you do to a jammed power tool?

Clear it using the correct tool.

Disassemble it to clear the jam.

Turn power switch to off, then clear tool.

Disconnect the power supply, then clear tool.

50. An awl is used to

Find and mark holes.

Find and punch holes.

Mark and align holes.

Align and score holes.

51. What is the maximum width of webbing?

8 inches.

10 inches.

12 inches.

15 inches.

52. When using a sewing machine and the seam knots are on the top ply of the material being sewn, that means the

Bobbin is installed incorrectly.

Needle thread is routed incorrectly.

Needle thread is too tight or the bobbin thread is too loose.

Needle thread is too loose or the bobbin thread is too tight.

53. Which type of soundproofing is sewn with a diamond pattern to hold the fiberglass material in place?

R–11.

R–16.

Batt.

Blanket.

54. The tensile strength of stored material may begin to be affected if the material is exposed to incandescent light for periods longer than

12 hours.

24 hours.

36 hours.

48 hours.

55. When you are doing the final threading of the properly wound bobbin on the 206RB sewing machine, you pull the thread

Under the tension spring and into the delivery eye.

Into the needle guide and pass it through the needle from right to left.

Into the needle guide and pass it through the needle from left to right.

56. Which direction is the eye of the needle threaded on the 206RB sewing machine?

Right to left.

Left to right.

Front to rear.

Rear to front.

57. When installing binding tape, how far from the selvage edge do you position the stitches?

1/32 inch.

1/16 inch.

3/32 inch.

1/8 inch.

58. What is the minimum room temperature that must be maintained before any repairs can be made to thermal radiation barrier curtains?

55°F

60°F.

65°F.

70°F

59. One disadvantage of using Naugahyde® for upholstery is that it

Is not waterproof.

Does not breathe.

Does not stretch.

Becomes stiff during cold weather.

60. What type of hand needle is best suited for installing hidden stitches?

Curved.

Harness.

Straight.

Upholsterer’s.

61. Which snap fastener installation press is to be used as a last resort?

Foot.

Hand.

Electric.

Portable.

62. What type of hand needle has a rounded (blunt) point that moves and separates the threads in the weave of the material?

Upholsterer’s.

Straight.

Harness.

Curved.

63. The Chandler® 767 sewing machine has what type of feed?

Drop feed with vibrating presser feet.

Drop feed with alternating presser feet.

Compound feed with vibrating presser feet.

Compound feed with alternating presser feet.

64. Which type of hand needle is most appropriate to use to repair and installed seat cushion over?

Upholsterer’s straight.

Upholsterer’s curved.

Harnessmaker’s round.

Harnessmaker’s blunt point.

65. What are the uses of protective covers?

Security and rain protection.

Cosmetic and dust protection.

Security and weather and dust protection.

Cosmetic, security, weather, and dust protection.

66. Which upholstery component gives an item shape and enhances the appearance?

Gussets.

Seams.

Beading.

Panels.

67. The purpose of installing a finger guard on a sewing machine is to

Keep the operator’s fingers away from the needle bar.

Prevent broken needle parts from striking the operator.

Assist the operator in sewing a straight line when sewing by becoming a guide.

Keep the operator’s fingers away from the needle and out from under the presser feet.

68. What is the maximum lift of the alternating presser feet on the Consew® 199–2A ZigZag sewing machine?

1/32 inch.

3/32 inch.

5/64 inch.

15/64 inch.

69. What seam is used as the first step for other seam formations?

Superimposed seams (SS)a–1.

SSc–2

Lapped seams (LS)q–2.

LSq–4.

70. What knot is defined as the simplest method of joining two threads or cords?

Overhand.

Binder.

Square.

Slip.

71. What component on the Consew® 206RB sewing machine re-engages the safety clutch?

Hook driving shaft lock stud.

Thread release finger.

Stitch regulator lever.

Push button.

72. What component is used to engage the reverse mechanism on the Consew® 206RB sewing machine?

Push button.

Sewing hook.

Feed regulator.

Stitch regulator lever.

73. What stitching do you use at the skirt of a parachute canopy?

Edge finishing (EF)a–1.

EFb–4.

Ornamental stitching (OS)a–1.

OSe–1.

74. Which methods of installation are used to install thermal radiation barrier curtains on B–52 aircraft?

Electrically opened and closed.

Folding, sliding, rolling, and snap fastener.

Electrically opened and closed, folding and sliding.

Folding, sliding, rolling, Velcro fastener, and snap.

75. What stitch pattern always begins and ends with a bar tacking?

Overthrow.

Running.

Baseball.

Hidden.

76. When inspecting a protective cover, you should check for all of the following except

Missing hardware.

Damaged seams.

Type of stitches.

The tensile strength of the fabric.

77. The tensile strength of the fabric.

½ inch.

¾ inch.

1 inch.

1 ¼ inches.

78. Which type of hand needle should be used to sew fabrics with a loose or large weave?

Upholsterer’s straight.

Upholsterer’s curved.

Harnessmaker’s.

All of the above.

79. What type of material are thermal radiation barrier curtains made out of?

Fiberglass fabric.

Aluminized fabric.

Aluminized nylon.

Nylon with fiberglass reinforcement.

80. When using a pneumatically powered impulse sealer to fabricate batt soundproofing, you must heat seal the edges of soundproofing panels for a width of at least

¼ inch.

3/8 inch.

½ inch.

1 inch.

81. What are the two types of woodworking chisels?

Tang and flat.

Socket and flat.

Socket and tang.

Flat and beveled.

82. Which tape is used to cover machine-sewn seams on thermal radiation barrier curtains?

PN 139.

PN 363.

MIL–T–5540.

MIL–T–83284.

83. In the seam specification 301–SSa–1, 301 indicates the

Class of machine stitch.

Type of class of the seam.

Stitches per inch.

Number of rows of stitches.

84. What twist of thread is used on sewing machines?

Left.

Right.

“S” twist.

The thread twist does not affect the sewing operation.

85. To increase tension on the needle thread you turn the

Thread controller stud thumbnut to the right.

Thread controller stud thumbnut to the left.

Tension stud thumbnut to the right.

Tension stud thumbnut to the left.

86. What does the number 2 in SSa–2 indicate?

Class of machine stitch.

Type of class of the seam.

Stitches per inch.

Number of rows of stitches.

87. What two wrenches have been combined to make up a combination wrench?

Socket and adjustable.

Open-end and socket.

Box and adjustable.

Open-end and box.

88. What is the standard amount of turn under when installing a patch to a protective cover?

1/16 inch.

¼ inch.

½ inch.

¾ inch.

89. During repair of the rubberized backing of thermal radiation barrier curtains, how far do you overlap the damage with Silastic®?

1/8 inch.

¼ inch.

½ inch.

1 inch.