Structural Drawing Interpretation (some) Flashcards

1
Q

As sheet metal gauge number increases, the thickness of the sheet metal does what?

A

Decreases

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2
Q

How are the measurements oriented when classifying flat bars?

A

Thickness, width, length (T x W x L)

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3
Q

Angle measurements are orientated how?

A

Leg size, leg size, thickness (L x L x T)

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4
Q

Which type of drawing shows the comprehensive notes for the whole structure?

A

Engineering drawing

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5
Q

Which type of drawing provides information on both the fabrication and the assembly of fabricated components?

A

Detail assembly drawing

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6
Q

What is the takeoff calculation for a 45• elbow with a diameter larger than 4 inches?

A

0.625x the nominal pipe size

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7
Q

Hatch or hatch lines that run in a horizontal or vertical direction are used in isometric drawings to indicate that pipe runs at an angle.
True or false

A

True

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8
Q

What is on a materials list that may be important when calculating pipe cut lengths?

A

Information regarding the fittings on the drawing

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9
Q

Specific notes are most often located in the top left hand corner of a drawing. They contain information that references the entire drawing or many different parts of the drawing.
True or false

A

False

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10
Q

What is shown on a P&ID?
A) piping process flow
B) instrumentation needed to operate
C) scale of the installed system
D) necessary pipe fittings
E) installed equipment
F) required weld joints

A

A, B and E

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11
Q

Revisions on an illustration will usually be captured with a triangle showing the revision number in its centre and a design bubble encapsulating the areas of change.
True or false

A

True

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12
Q

What does the term takeoff refer to when interpreting drawings?

A

The amount of space taken up by a fitting in a centre to centre dimension

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13
Q

If a joint requiring complete penetration is accessible from only one side then what symbol is used?

A

Melt through

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14
Q

How many joints does a cruciform joint consist of?

A

2 joints

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15
Q

If a weld symbol is required to be made all the way around a joint, how is the symbol for this displayed?

A

A supplementary weld symbol circling the tangent point of the arrow and reference line

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16
Q

The tail of a welding symbol is not required.
True or false

17
Q

Where would the welding process be indicated in a welding symbol?

A

Inside the tail of the welding symbol

18
Q

Which measurement is found on the reference line for a surfacing weld?

A

The height

19
Q

Where on a welding symbol will you find the length of an intermittent fillet weld?

A

On the right side of the weld symbol

20
Q

Where are the units of measure found?

21
Q

When using a combination of weld symbols, the order of progression always starts closest to the reference line.

22
Q

When NDE tests are required at random locations, where can the test quantity be found?

A

Above or below the symbol

23
Q

Where would the length of a test section be indicated on an NDE welding symbol?

A

To the right of the symbol

24
Q

ISO 2553 system A symbol representation consists of one solid and one dashed reference line in parallel.
True or false

25
What does the dashed line represent in ISO 2553 symbolic representation?
The other side of the joint to where the arrowhead is pointing