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Sheet Metal First Year > Introduction To Drafting (110102a) > Flashcards

Introduction To Drafting (110102a) Flashcards

1
Q

What is a straight line

A

The shortest distance that can be drawn between 2 points

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2
Q

What is a curved line?

A

A line that is constantly changing direction

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3
Q

What are parallel lines?

A

Lines which have no inclination to each other and being equidistant

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4
Q

What is the circumference of a circle?

A

The boundary line of the figure
Distance around perimeter of circle

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5
Q

What is the radius of a circle?

A

A line drawn from the centre to any point of the circumference

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6
Q

What is the diameter of a circle?

A

Any straight line drawn through the center of opposite points of the circumference

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7
Q

What is an arc?

A

Any part of the circumference

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8
Q

What is a chord?

A

Straight line joining any 2 points of the circumference

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9
Q

What is a sector?

A

A region enclosed by 2 radii and an arc

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10
Q

What is a segment?

A

A region enclosed by a chord and an arc

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11
Q

What can a pattern be defined as?

A

The flat outline of a fitting or object ready to be fabricated

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12
Q

The gross pattern is?

A

Developed pattern with all the seems, edge allowances and notches in place

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13
Q

A net pattern is?

A

Developed pattern with no seams or edge allowances

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14
Q

Does simple layout involve developing patterns directly onto metal without using any orthographic views or formal development patterns yes or no?

A

Yes

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15
Q

What is a t square used for?

A

Drawing horizontal lines and as a base for using other drafting tools

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16
Q

What are set squares used for?

A

Drawing 30, 45, 60 and 90 degree angles from the horizontal position

17
Q

What is a architects scale rule used for in pattern development?

A

Measuring and scaling drawings

18
Q

What tool would be used to draw a circle with a diameter of 3 inch?

A

A compass

19
Q

What tool should be used to draw a circle with a diameter of 400mm?

A

A beam compass

20
Q

Can t squares be used to draw both vertical and horizontal lines yes or no?

A

No

21
Q

What are object lines?

A

Thick lines that show the visible shape of the object or pattern

22
Q

What are construction lines?

A

Faint thin lines that you should not be able to see from 3 feet away used to construct the object being drawn

23
Q

What dimensions are title blocks?

A

1 1/2 tall and 4 inch wide

Sheet Metal First Year (31 decks)

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