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Shop Review > Shop Review > Flashcards

Shop Review Flashcards

1
Q

Lab seem allowance

A

1W added only

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2
Q

Groove seam allowance

A

3w half and half added to each side of the pattern

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3
Q

Gore seem allowance

A

1/8 of an inch

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4
Q

Male Pittsburgh

A

1/4

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5
Q

Female, Pittsburgh

A

15/16

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6
Q

Describe bead on pipe

A

Provides a stop on small end and stiffness to round pipe seam should not be rolled

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7
Q

Longevity travels length of fittings. Examples are.

A

Snaplock
Lap seem
Groove seam

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8
Q

Circumference goes around the fitting what are examples

A

Lap seam
Elbow seam

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9
Q

How is small end stretch out marked?

A

Seven material sicknesses
3/16

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10
Q

Slip and Drive allowance must be added to pattern how much

A

1/2 inch

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11
Q

Hammerlock allowance

A

3W times its width

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12
Q

Ideal ratio for duct is

A

1:1

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13
Q

Adjustments to both the measurements should be considered when

A

4:1

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14
Q

Blueprints are drawn to what dimensions

A

Net patterns

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15
Q

Two views are required to develop a mitre line side, or elevation view

A

Front
Back view

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16
Q

How many element mines or ideal to be connected with a scribe mitre line

A

Three points

17
Q

Transferring element lines on metal can be done how

A

Dividers

18
Q

How many dimensions need to be established for round offset

A

Three

19
Q

Four methods for developing offset

A

Given throat
Given the centreline
Given hell and bisecting the centreline

20
Q

When are transition fittings used?

A

Aspect ratio
Architectural reasons

21
Q

Why is the use of transitional fittings avoided

A

Time in money

22
Q

Why is slip and drive trying to be adjusted for transitional fitting

A

S cleat can’t be an angle

23
Q

The stretch out length of a hell runner should be

A

Calculated

24
Q

Start assembling the gore section starting at

A

Small end

25
Q

The offset only needs the first gore section developed, true or false

A

True

26
Q

How are pipe tees identified?

A

By the angle and the diameter of the stub and diameter of the body

27
Q

How is the type of seam determined?

A

By pressure class and material thickness of the duct

Shop Review (1 decks)

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