Unite Review Exercises Flashcards Preview

Volume I > Unite Review Exercises > Flashcards

Flashcards in Unite Review Exercises Deck (72):
1

1. The fractional Divisions of an inch are determined by?
a. dividing the inch into equal parts
b. the decimal equivalent
c. length of scale
d. size of the job

Dividing the inch into equal parts

2

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

SCRIBER

3

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

90 DEGREES

4

4. What type of punch do you use to create a depression in a metal surface to prevent your twist drill from walking?
a. Pin
b. Center
c. Hollow
d. Starting

CENTER PUNCH

5

5. What snips are best suited for enlarging small holes in sheet metal?
a. Aviation
b. Straight
c. Tinner
d. Offset

AVIATIONS SNIPS

6

6. What type of file do you use to sharpen blades?
a. square
b. triangle
c. single cut
d. double cut

SINGLE-CUT

7

7. What type of chisel is best suited for cutting sheet metal and heads off screws?
a. Flat
b. Cape
c. Diamond point
d. Half round nose

FLAT

8

8. When using a hacksaw, the cutting strokes should be long and steady with a speed of not more than how many strokes per minute?
a. 20-30
b. 30-40
c. 40-50
d. 50-60

40 to 50

9

9. Which lever shear can cut sheet metal of UNLIMITED length or width?

THROATLESS

10

10. When squaring metal on the manually operated squaring shears, what step do you take if a piece of metal that has been shared is NOT square?

ADJUST THE SIDE GAUGE

11

11. What must you know to use the job selector dial on a contour metal cutting saw?

The materials COMPOSITION and THICKNESS

12

12. What is the maximum safe gap between the wheel and the work rest of the pedestal grinder?

1/8 inch

13

13. When using a stop countersink, each increment of the micrometer adjustment INCREASES OR DECREASES the DEPTH of cut by how much?

0.001 inch OR One thousand of an inch

14

14. The countersinking tool should NOT be tipped because the well will be?

ELONGATED

15

15. You determine that the microshaver needs to cut .004 inch deeper. In order to adjust it properly you would PULL OUT the stop and...?

Turn it CLOCKWISE, 4 marks

16

16. What do you use to LOCATE a specific point on a BLUE PRINT?

ZONE NUMBERS, AND LETTERS

17

17. A LEADER LINE in a drawing is best described as?

A line indicating a part of the drawing to which some REFERENCE NOTE applies.

18

18. What are the LEAST amount of views USUALLY necessary to show THREE dimensions on a drawing?

TWO

19

19. What is the difference when the fraction 1/8 is SUBSTRACTED from the SUM of the fractions 3/4 and 5/32?

25/32

20

20. The product of multiplying the common fraction 5/6 by the common fraction 3/5 is?

1/2

21

21. A decimal is a fraction whose denominator is always a power of?

10

22

22. The quotient 0.62 results from dividing?

0.465 by 0.75

23

23. The amount of metal needed to form a BEND is called?

BEND ALLOWANCE

24

24. A BEND in sheet metal should BEGIN at?

The bend TANGENT LINE

25

25. If the K-Value for 90 Degrees is 1, then what is the required amount of setback for 90 Degrees Bend with a radious of 1/4 and the metal thickness is 0.062?

SB=k(R+T)

0.312

26

26. A metal that can be hammered, rolled, or pressed into various shapes without cracking or breaking has a high degree of?

MALLEABILITY

27

27. The relationship between the STRENGTH of a material and its WEIGHT per cubic inch is the?

STRENGTH/WEIGHT RATIO

28

28. What metal property strength is defined as the resistance of a metal to being PULLED APART?

TENSILE

29

29. What metal property strength is defined as he resistance to a CUTTING ACTION?

SHEAR

30

30. Which stress is a COMBINATION stress in an AC?

BENDING

31

31. In addition to a high strength- to weight ratio, what is another reason for using aluminum in an AC?

EASE OF FABRICATION

32

32. The heat- treatable aluminum alloy that offers the BEST WELDABILITY is?

6061

33

33. When reaming holes in aluminum, what is the most probable cause if the reamer starts to scrape and wedge the material, rather than cut it?

Holes where drilled Oversize

34

34. If a piece of metal is formed with the grain flow of the metal, it can possibly?

CRACK

35

35. What technical Order (TO) has information on the designation and identification of TITANIUM?

TO 1-1A-9

36

36. Lack of constant pressure when you are drilling TITANIUM causes?

Hardening of the metal

37

37. What test can you use to differentiate between ferrous metals in a scrap pile?

SPARK TEST

38

38. The best way to to identify metals accurately when you are performing a spark-test is to?

Compare the spark stream of the Unknown metal with the spark stream of the known metal

39

39. What happens When you substitute a thinner metal that is stronger that an original metal?

Decrease Torsional Strength

40

40. You secure the steel fingers on a box and pan break by using?

THUMBSCREWS

41

41. How can you IDENTIFY different types of bolts?

Bolt-head markings

42

42. How can you avoid stripping threads when installing a nut and bolt?

Torque the nut to Proper Specifications

43

43. What crew removal procedure is NOT authorized?

Pneumatic Hammer

44

44. What kind of surface is the fastener removal tool primarily designed for use on?

FLAT

45

45. What nut style do you use if all the bolt hole locations are equally spaced around an opening?

CHANNEL

46

46. 75% of all bolt and nut installation fatigue are caused by?

Insufficient tightening and lack of proper preload or clamping force

47

47. To properly inspect the locking collar of an installed hi-lock fastener you visually check the physical features of the locking collar and?

Pin Protrusion

48

48. How many flutes are there in the upper threaded portion of the EDDIE-PIN?

FIVE

49

49. The flutes on the EDDIE-PIN allow for what type of mechanical lock with the EDDIE-NUT?

POSITIVE

50

50. What type of hole preparation is recommended in an aluminum structure to provide improved load transfer and improved fatigue performance?

INTERFERENCE

51

51. What shank height and diameter requirements do you look for when inspecting newly formed solid rivet shop heads?

Height is 1/2 of the rivet's diameter; Diameter is 1-1/2 of the rivet's diameter

52

52. What should you do before shaving a mislabel Jo-bolt

Inspect for looseness

53

53. If a Jo-bolt turns after you apply a light torque during installation, you must

Remove and Replace it

54

54. To properly replace a skin panel, where do you start the riveting process?

At the center, working alternatively from side to side and from top to bottom

55

55. How do you determine the size of a twist drill you need to use to remove a Jo-bolt that is rotating in a hole?

Diameter of the Jo-bolt

56

56. To properly inspect the installation of a mechanical -lock blind bolt, you check the fit of the manufactured head against the work surface

Position of the Pin, and the position of the Locking Collar

57

57. Which is not a removal step for the mechanical-lock blind bolt?

Drill out the sleeve

58

58. If the grip length of the mechanical-lock blind rivet you are installing is insufficient, then ...

Stem breaks off below the manufactured head

59

How many nose assemblies are required to install composite-Lok fasteners?

TWO

60

60. What tool do you use to inspect a Composite-Lok after installation?

Stem break off gauge

61

61. If you find the nut plate is misaligned after installing it using pull-through blind rivets, the probable cause if the?

Nut plate was clamped too loosely during installation

62

62. The best procedure to use when you are removing a pull through blind rivet is to?

Drill off the head of the rivet,
ensuring the countersunk or dimpled area is not damaged

63

63. The tubing material for manufacturing external AC break lines is?

Corrosion-resistant Stainless Steel type 304

64

64. What are the three operations usually involved in replacement of tubing assembly?

Forming ,
Cutting,
Cleaning

65

65. What is the preferred method of cutting tubing?

Tubing Cutter

66

66. What size OD of aluminum tubing can be bent with a production tube bender?

3/8 to 1.5 inch

67

67. You can use the permaswage repair method to repair damaged tubing that carries PSI pressure up to?

3,000 PSI

68

68. The step not required when preparing a piece of tubing for a permaswage repair is?

TUBE CHAMFERING

69

69. You can use the Rynglock repair method to repair damaged tubing assemblies that have operating PSI up to?

8,000 PSI

70

70. Dynatube expanders designed for titanium are identified by an area on the stop collar painted?

YELLOW

71

71. The end marking template for a Permalite fitting is based on the?

Outside Diameter of the tubing

72

72. For the swage of the Permalite fitting to be acceptable at least?

Two alignment marks should be visible