Lecture 1 Flashcards

1
Q

What are the different types of drafting equipment?

A
Drafting equipment consists of
Straight edges
Triangles
Pencils
Scales
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2
Q

What does Scale refer to?

A

“Scale” may refer to the measuring instrument or the size to which a drawing is to be made

Scales are used only for measuring and are NOT to be used for drawing lines

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3
Q

Where is the scale located

A

title block or strip

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4
Q

What are the different types of lead available

A

Graphite Lead
Plastic Lead
Plastic-graphite Leads

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5
Q

Name the lead and its consistency

A

9H – is very hard
2H – moderate hard
H – F – HB are soft leads

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6
Q

What are the different types of drawing media

A

Bond Paper
Vellum
Film

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7
Q

WHat is the standar size of paper and standard roll of paper

A

Standard sizes in the imperial system are all based on the standard letterhead at 8.5” x 11”
The standard roll of paper is 36” x 42” wide

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8
Q

what is contained in the title block

A

Drawing number
Name of company
Title or Description
Scale

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9
Q

What lettering is recommended

A

capital Gothic and Microfont

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10
Q

What are the lettering sizes

height and for what sizes of paper

A

3.5mm up to includiong A2 or 7mm drawing sizes of A1 or larger

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11
Q

what are the 2 line thicknesses

A

.5mm .25mm

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12
Q

what is sufficent spacing

A

3mm

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13
Q

What are some of the line types

A

Visable lines, Hidden lines,centre lines,dimension and extension,

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14
Q

What is the imperial paper system denoted with

A

a letter

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15
Q

What the the overall paper size of a D size

A

22*34

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16
Q

What is the metric paper size and its length ratio

A

having an area of 1m2 and a length to width ratio of 1:(2)1/2

17
Q

What does the title block contain, and where is it located

A
The title block is located in the lower right hand corner and contains
Drawing number
Name of company
Title or Description
Scale
18
Q

Why is the space above the title block off limits in gerneral, and what kind of things are found in this place

A
The whole space above the title block should be reserved for tabulating 
Materials
Change of order
Revisions
Drawing in this area should be avoided
19
Q

Should all drawings carry a change or revision table

A

yes and appear at the bottom of page or upper right

20
Q

What size would the lettering be for titles and drawing numbers

A

1.5 times the selected text height

21
Q

what should the space between each word be the size of

A

The size of a single letter

22
Q

What should be used to maintain a consistent height and spacing of letters

A

Light Guidlines

23
Q

What is the most fundamental and important entity on a grpahics drawing?

24
Q

What do arrowheads touch and what do dots inidcate

A

arrowheads touch object lines, dots touch surfaces

25
What are phantom lines for
inidate moving parts position etc
26
What pencil type should be used for sketching
HB, F or H
27
What are pictorial drawings used for?
It shows the shape of the object. but not useful in manufacturing the part
28
What angle is the miter line at
45 deg
29
What is the center line patter for?
Show the axes of symmetry Indicate a part in motion Show the location for bolt circles and other circular patterns
30
How does a normal suface appear
TS and TSP plane is is parallel
31
What are the three types of edges?
Normal Inclined and oblique