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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
What are the three common types of scrapers?
- Flat - Triangular - Bearing
26
The flat scraper is best used for:
Scraping flat surfaces and for removing gasket material from surfaces that seal
27
In order to find high spots on the Babbitt bearing you’re about to scrape. What is used?
Prussian blue
28
Name a tool that can be a quick way to deburr a hole?
Deburring tool
29
Describe the Round Nose Chisel:
Has round cutting edge
30
What are the four most common types of chisels in industry?
- Flat or cold chisel - Cape chisel - Diamond point - Round nose
31
What type of profile you would want on the cutting edge of a flat chisel?
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
Cutting light gauge metal in a vice, it is best to chisel towards the ___________________
Solid jaw
33
What PPE must you always wear when chiseling?
Safety glasses
34
What included blade angle is best for cutting steel?
40 to 50 degrees
35
What are the three most common uses for a hydraulic press in the maintenance shop?
- Pressing in/out bearings | - Bending and forming metal
36
Tin snips used for cutting around arcs are called?
Circle snips
37
Cutting heavier gauge material. What snips are best?
Bulldog snips
38
What type of snips is best for both straight and curved cuts?
Combination snips
39
Name the two main styles of vice that are used by millwrights?
- Bench vise | - Pipe vise
40
How are bench vises sized?
By the width of its jaws.
41
Is it common practice to hammer on work-pieces on the slide bar of the vise?
Do not hammer on the slide bar of the vise, which id made of cast iron, brittle material that breaks easily.
42
What could be used to protect your work-piece when clapping it in a bench vise?
Soft jaws vise liners
43
Name the type of hammer that is best for peening sheet metal:
Straight-peen hammer
44
What hammer does the least amount of marring when used?
Soft-faced hammer
45
Name 4 common styles of punches:
- Center punches and prick punches - Pin punches - Drift punches - Transfer punches
46
What could be used to avoid a metal stamp from flying out of your hand when struck with a hammer?
Vise grips
47
When grinding a standard (flat-head) screwdriver. What type of profile would you want to grind into it and why?
A flat-head screwdriver blade should be ground concave so the faces are parallel with the sides of the screw slot.
48
Define the following wrenches: Box end: Combination: Open end:
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
Sockets come in different shapes and sizes. Explain what the drive is and list three most common sizes?
- Sockets drive allows it to be used with various driving devices. - 1/4 - 3/8 - 1/2
50
How would one properly use an adjustable wrench?
When using the adjustable wrench, position it so the force acts against the solid jaw.
51
What type of bolt is an Allen Wrench used on?
Socket head cap screw
52
Name three types of torque wrenches available?
- Beam type - Dial type - Click type
53
Best practices states to use ______% of the middle half of the working range of the scale, when using a torque wrench.
80
54
Name three torque wrench extensions:
- Crowfoot - Open-end - Flare Nut
55
``` Calculate the following when using an extension on a torque wrench. Total Length=30” Torque wrench length=16” Dial Reading=200ft-lb Actual torque=___________ ```
375 ft-lb
56
Describe a torque multiplier:
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
When removing some oil filters, what could you use so that the surface does not get damaged during removal.
Strap wrench
58
What wrench is designed for you to hammer on?
Hammer wrench (slug wrench)
59
Name the four general types of pullers:
- Pressure screw puller - Hydraulic puller - Slide hammer puller - Bar-style puller
60
There are two main types of hydraulic jacks. What are they and one advantage of each?
- 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
Why wouldn’t you want to use a hydraulic jack as a mean of blocking?
Seals inside the jack may fail while load is suspended on the jack.

Industrial Mechanic (Millwright) (11 decks)

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