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Industrial Mechanic (Millwright) > Hand tools (160103aA/aB) > Flashcards

Hand tools (160103aA/aB) Flashcards

1
Q

What is the difference between a closed grip and pistol grip hacksaw?

A

Pistol grip style handle is open at the bottom.

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2
Q

Cutting keyways and splines in a hub can be cut by using?

A

Broaching tool

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3
Q

What hand reamer is best used in a bore with a keyway or oil groove?

A

Helical-fluted hand reamer

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4
Q

What comes in a set of hand taps?

A

Taper, plug and bottoming taps

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5
Q

Lapping is:

A

A machining process in which two surfaces are rubbed together with an abrasive between them, by hand movement or using a machine.

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6
Q

What PPE should be worn when grinding?

A
  • Safety glasses

- Face mask

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7
Q

Describe saw blade pitch:

A

Saw blade pitch refers to the number of saw blade teeth per inch.

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8
Q

What type of abrasive is generally used on abrasive cloths, papers and fibers?

A
  • Aluminum oxide
  • Silicon carbide
  • Garnet
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9
Q

This is the best method for cleaning small parts to a high quality finish:

A

Ultrasonic cleaning

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10
Q

What cleaning method uses a basket that is rotated by a motor and sprayed with hot water?

A

Mechanical parts washer

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11
Q 
State which blade pitch is best for cutting the following materials: 
Bronze: 
Stainless steel: 
Sheet metal: 
Alloy steels:
A

Bronze: 14-pitch blade
Stainless steel: 24-pitch blade
Sheet metal: 32-pitch blade
Alloy steels: 18-pitch blade

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12
Q

What is the main purpose of a saw blade set?

A

Causes the blade to make a wider cut so the body of the blade does not bind.

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13
Q

What provides alignment for a hole saw?

A

Pilot drill

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14
Q

Name the six parts of a file:

A
  • Tang
  • Heel
  • Face
  • Edge
  • Point
  • Handle
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15
Q

What is the best file to use on a lathe?

A

Mill or saw files

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16
Q

Which file is least coarse?

A

Dead smooth

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17
Q

The cross-section of a file usually shows its _________________.

A

Shape

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18
Q

What type of file would you use to file acute angles in dies and molds?

A

Knife file

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19
Q

What type of file would one use for fine hand finishing or deburring operations?

A

Machinist hand file

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20
Q

Describe the difference between a rotary file and rotary burr?

A

Rotary files differ from rotary burrs in that the cutting tooth line is broken, making them particularly useful for cutting tool steels, tough alloy steels, castings and forgings.

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21
Q

When filing a block square, what are the SIX tools you would need to get started?

A
  • Double-cut bastard and a single-cut smooth file with handles
  • File card
  • Chalk
  • Bench vise
  • Steel rule
  • Solid square
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22
Q

Which method of filing produces a good surface finish?

A

Draw filling

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23
Q

When your file becomes dirty or clogged. What do you use to clean the file?

A

File card

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24
Q

Scraping has been replaced today by different methods, having a superior surface finish. Name three of these methods:

A
  • Grinding
  • Honing
  • Lapping
  • Broaching
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25
Q

What are the three common types of scrapers?

A
  • Flat
  • Triangular
  • Bearing
26
Q

The flat scraper is best used for:

A

Scraping flat surfaces and for removing gasket material from surfaces that seal

27
Q

In order to find high spots on the Babbitt bearing you’re about to scrape. What is used?

A

Prussian blue

28
Q

Name a tool that can be a quick way to deburr a hole?

A

Deburring tool

29
Q

Describe the Round Nose Chisel:

A

Has round cutting edge

30
Q

What are the four most common types of chisels in industry?

A
  • Flat or cold chisel
  • Cape chisel
  • Diamond point
  • Round nose
31
Q

What type of profile you would want on the cutting edge of a flat chisel?

A

The point angle is ground to between 40degres and 70 degrees, depending on the type of metal or application for which the chisel is to be used.

32
Q

Cutting light gauge metal in a vice, it is best to chisel towards the ___________________

A

Solid jaw

33
Q

What PPE must you always wear when chiseling?

A

Safety glasses

34
Q

What included blade angle is best for cutting steel?

A

40 to 50 degrees

35
Q

What are the three most common uses for a hydraulic press in the maintenance shop?

A
  • Pressing in/out bearings

- Bending and forming metal

36
Q

Tin snips used for cutting around arcs are called?

A

Circle snips

37
Q

Cutting heavier gauge material. What snips are best?

A

Bulldog snips

38
Q

What type of snips is best for both straight and curved cuts?

A

Combination snips

39
Q

Name the two main styles of vice that are used by millwrights?

A
  • Bench vise

- Pipe vise

40
Q

How are bench vises sized?

A

By the width of its jaws.

41
Q

Is it common practice to hammer on work-pieces on the slide bar of the vise?

A

Do not hammer on the slide bar of the vise, which id made of cast iron, brittle material that breaks easily.

42
Q

What could be used to protect your work-piece when clapping it in a bench vise?

A

Soft jaws vise liners

43
Q

Name the type of hammer that is best for peening sheet metal:

A

Straight-peen hammer

44
Q

What hammer does the least amount of marring when used?

A

Soft-faced hammer

45
Q

Name 4 common styles of punches:

A
  • Center punches and prick punches
  • Pin punches
  • Drift punches
  • Transfer punches
46
Q

What could be used to avoid a metal stamp from flying out of your hand when struck with a hammer?

A

Vise grips

47
Q

When grinding a standard (flat-head) screwdriver. What type of profile would you want to grind into it and why?

A

A flat-head screwdriver blade should be ground concave so the faces are parallel with the sides of the screw slot.

48
Q

Define the following wrenches:
Box end:
Combination:
Open end:

A

Box end: Fully encloses the nut or bolt head
Combination: Open at one end of the wrench and box end at the opposite
Open end: Open at both ends with different sizes at each end

49
Q

Sockets come in different shapes and sizes. Explain what the drive is and list three most common sizes?

A
  • Sockets drive allows it to be used with various driving devices.
  • 1/4
  • 3/8
  • 1/2
50
Q

How would one properly use an adjustable wrench?

A

When using the adjustable wrench, position it so the force acts against the solid jaw.

51
Q

What type of bolt is an Allen Wrench used on?

A

Socket head cap screw

52
Q

Name three types of torque wrenches available?

A
  • Beam type
  • Dial type
  • Click type
53
Q

Best practices states to use ______% of the middle half of the working range of the scale, when using a torque wrench.

A

80

54
Q

Name three torque wrench extensions:

A
  • Crowfoot
  • Open-end
  • Flare Nut
55
Q 
Calculate the following when using an extension on a torque wrench.
Total Length=30”
Torque wrench length=16”
Dial Reading=200ft-lb
Actual torque=\_\_\_\_\_\_\_\_\_\_\_
A

375 ft-lb

56
Q

Describe a torque multiplier:

A

Used to increase the limits of a torque wrench. The mechanism is a gear drive device that increases torque through a gear ratio reduction.

57
Q

When removing some oil filters, what could you use so that the surface does not get damaged during removal.

A

Strap wrench

58
Q

What wrench is designed for you to hammer on?

A

Hammer wrench (slug wrench)

59
Q

Name the four general types of pullers:

A
  • Pressure screw puller
  • Hydraulic puller
  • Slide hammer puller
  • Bar-style puller
60
Q

There are two main types of hydraulic jacks. What are they and one advantage of each?

A
  • Porta power jack:
    o May be operated at safe distance from the load
    o The ram provides the greatest amount of travel for a given closed height
  • Bottle jack:
    o Has build-in pump
61
Q

Why wouldn’t you want to use a hydraulic jack as a mean of blocking?

A

Seals inside the jack may fail while load is suspended on the jack.

Industrial Mechanic (Millwright) (11 decks)

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