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Electrotechnology Cert II > Utilities Industry Components > Flashcards

Utilities Industry Components Flashcards

1
Q

what type of mechanical drawing ?

A

Isometric.
Shows the completed object as it would appear to the eye, with receding edges drawn at 30⁰.

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2
Q

What type of mechanical drawing ?

A

Oblique.

Shows the completed object as it would appear to the eye, with lengths drawn horizontally and receding edges drawn at 45⁰.

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3
Q

What type of mechanical drawing ?

A

Orthogonal.

Shows two dimensional views of an object, e.g. from the front, back, sides, top and/or bottom. As many views are shown as is necessary to allow for complete dimensioning of the object.

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3
Q

What type of mechanical drawing ?

A

Assembly.

Shows an overview of how the components of an item of equipment fit together.

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4
Q

What type of mechanical drawing ?

A

Detail.

Focuses on a single part of a larger object, to show how that part is manufactured and assembled.

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5
Q

List the standard names for these lines.

A
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6
Q

List the names of the following mechanical drawing symbols.

A
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7
Q

List meaning of drawing abbreviations

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8
Q

List characteristics of Copper and some common application.

A
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9
Q

List characteristics of Aluminium and some common application.

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10
Q

List characteristics of Brass and some common application.

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11
Q

List characteristics of Cast Iron and some common application.

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12
Q

List characteristics of Mild steel and some common application.

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13
Q

List characteristics of Galvanised steel and some common application.

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14
Q

List characteristics of High Speed steel (HSS) and some common application

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15
Q

List characteristics of Silicon steel and some common application

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16
Q

List characteristics of Stainless steel and some common application

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17
Q

List characteristics of Lead and some common application

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18
Q

List characteristics of Polyvinylchloride (PVC) and some common application

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19
Q

List characteristics of Cross-linked polyethylene (XLPE) and some common application

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20
Q

List characteristics of Porcelain and some common application

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21
Q

List characteristics of Mica and some common application

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22
Q

what tool is this ?

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23
Q

what tool is this ?

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24
Q

what tool is this ?

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25
Q

what tool is this ?

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26
Q

what tool is this ?

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27
Q

what tool is this ?

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28
Q

What tool is this ?

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29
Q

What is this tool ?

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30
Q

What is this tool ?

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31
Q

What is marking Media ?

A

Marking media is a material that is applied to a work surface, generally to improve the visibility of marked lines, and is then washed off prior to completing the project.

Marking blue commonly used in metal work

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32
Q

What is a datum ?

A

A datum is a line or an edge from which all measurements are made, it is a common reference point for all other measuring and marking out. This way, errors don’t accumulate across the work by measuring from previously measured points.

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33
Q

what is this tool ?

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34
Q

what is this tool?

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35
Q

what is this tool ?

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36
Q

What is this tool ?

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37
Q

What is this tool ?

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38
Q

What is this tool ?

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39
Q

What is this tool ?

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40
Q

What is this tool ?

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41
Q

what is this tool ?

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42
Q

what is this tool ?

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43
Q

what is this tool ?

44
Q

what is this tool ?

45
Q

What is this tool ?

45
Q

What is this tool ?

46
Q

What is this tool ?

47
Q

What are hacksaw blades made from ?

A

low tungsten steel or high-speed steel.

48
Q

What is the pitch of a hacksaw blade ?

A

The pitch indicates the number of teeth per inch (TPI) along the blade

49
Q

What are the standard pitches of hacksaw blade ?

A

14, 18, 24, 32 TPI

50
Q

What do the teeth pitches indicate, i.e teeth size ?

A

Lower pitch = Course (bigger blades)

High pitch = Fine (smaller blades)

51
Q

What are course and fine pitch hacksaw blades suitable for ?

A

Course pitch blades (14-18 TPI) are more suited to soft materials or thicker materials.

Fine pitch blades (24-32 TPI) are more suited to hard materials or thin walled materials.

52
Q

What are hacksaw blades teeth profile and cut direction ?

53
Q

How many teeth should remain in contact with material and why (Hacksaw blade)

A

When cutting thin materials, the blade should be angled to maintain at least three teeth in contact with the work. This aids in accuracy and reduces the chance of the material getting caught between teeth.

54
Q

What is the typical cutting speed for most jobs when using hacksaw blade ?

A

50 to 60 strokes per min

55
Q

What are the basic parts of a file ?

56
Q

Difference btw flat file and hand file.

A

Flat file has teeth cut across all faces and edges.

Hand file has one edge that is uncut and smooth.
This allows filing just one surface of an inside corner.

Another difference is that a flat file is tapered, whilst a hand file is not.

57
Q

What are the four different file cuts.

58
Q

What are the 3 main grades of file cuts ?

A

Bastard
Second cut
Smooth

59
Q

What is “pinning” in filing ?

A

Pinning occurs when small particles of metal embed themselves around the file teeth.

60
Q

List the 3 filing techniques .

61
Q

What is this drill Bit ?

62
Q

What is this drill bit ?

63
Q

What is this drill bit ?

64
Q

What is this drill bit ?

65
Q

What is this drill bit ?

66
Q

What is this drill bit ?

67
Q

What drill is this ?

A

Pedestal Drill Press

68
Q

What drill is this ?

A

Bench Drill Press

69
Q

List the parts of drill bit

70
Q

What is the function of flutes on drill bits ?

A

Provides exit path for swarf and entry path for lubricants.

71
Q

What are “Included”, “Relief” and “Chisel” angles required during drill bit sharpening ?

72
Q

What are these common thread forms ?

73
Q

What are the four standards of threads ?

A
  • British Standard Whitworth
    (BSW)
  • British Standard Fine (BSF)
  • British Association (BA)
  • ISO Metric
74
Q

What does the thread designation “M12 x 1.75” mean ?

A

Diameter = 12
Pitch = 1.75

75
Q

What is tapping ?

A

Tapping refers to cutting a thread into a hole so it can receive a screw

76
Q

What is this hand tap ?

77
Q

What is this hand tap ?

78
Q

What is this hand tap ?

79
Q

what hole size should be drilled for tapping M5 x 0.8

A

5 - 0.8 = 4.2 mm

80
Q

What is threading ?

A

Threading refers to the cutting of a thread on the outside of a pipe or round material.

81
Q

What tool is used to thread materials ?

82
Q

What is the name of this die ?

83
Q

What is the name of this die ?

84
Q

What is this tool ?

85
Q

What is this tool ?

86
Q

What is these drive types ?

87
Q

Name the following machine screw heads.

88
Q

Name the following types of bolt

89
Q

What are the factors to consider when selecting a nut ?

A
  • Style and chamfer
  • Thread type and size
  • Width and thickness
90
Q

Name the following nuts.

91
Q

What is the purpose of a washer ?

A

The purpose of washers is to either increase the surface area or prevent loosening of a joint

92
Q

Name the following washers.

93
Q

What is soft soldering ?

A

Soft soldering is a method used for joining two metallic components by using a third metal known as ‘solder’.

94
Q

What is solder commonly made of and at what percentages ?

A

Tin = 60%
Lead =40%

95
Q

What are the components of hard solder ?

A

Copper - Zinc alloy, (silver sometimes)

96
Q

What are the components of brazing alloys ?

A

Bronze, copper, zinc, silver, tin and/or phosphorus.

97
Q

What makes welding different from soldering and brazing ?

A

Welding differs from soldering and brazing as both the metals being joined and the filler material are melted. The welding rod alloys with each material resulting in a solid fused joint.

98
Q

What are these tanks ?

A

Oxy-Acetylene Tanks

99
Q

How does arc welding work ?

A

In electric arc welding, one side of the welders output supply is clamped onto the work piece, and the other is connected to an electrode. When operated, an electric arc is produced between the electrode and the work. The heat of the electric arc melts the parent metal and the welding rod. When these cool and harden the result is a solidly fused joint between the two metals.

100
Q

List 2 examples of arc welding ?

A

MIG (Metal Inert Gas) welding
TIG (Tungsten Inert Gas) welding

101
Q

How does spot welding work ?

A

Spot welding is the fusion of two pieces of metal using an electric current. Two copper electrodes on the spot welder push the two pieces of metal together. A high welding current flows out of one electrode, through the metal plates where it encounters resistance at the join, and then into the other electrode.

102
Q

What are these types of grinding wheels ?

103
Q

List the parts of this rivet.

104
Q

List the parts of this Vernier callipers

105
Q

List the parts of this micrometer.

106
Q

What is this vernier callipers reading ?

107
Q

What is this micrometer reading ?

Electrotechnology Cert II (9 decks)

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