Structural Drawing Interpretation (some)

Question 1

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

Answer 1

Decreases

Question 2

How are the measurements oriented when classifying flat bars?

Answer 2

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

Question 3

Angle measurements are orientated how?

Answer 3

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

Question 4

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

Answer 4

Engineering drawing

Question 5

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

Answer 5

Detail assembly drawing

Question 6

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

Answer 6

0.625x the nominal pipe size

Question 7

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

Answer 7

True

Question 8

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

Answer 8

Information regarding the fittings on the drawing

Question 9

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

Answer 9

False

Question 10

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

Answer 10

A, B and E

Question 11

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

Answer 11

True

Question 12

What does the term takeoff refer to when interpreting drawings?

Answer 12

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

Question 13

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

Answer 13

Melt through

Question 14

How many joints does a cruciform joint consist of?

Answer 14

2 joints

Question 15

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

Answer 15

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

Question 16

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

Answer 16

True

Question 17

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

Answer 17

Inside the tail of the welding symbol

Question 18

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

Answer 18

The height

Question 19

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

Answer 19

On the right side of the weld symbol

Question 20

Where are the units of measure found?

Answer 20

Drawings

Question 21

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

Answer 21

False

Question 22

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

Answer 22

Above or below the symbol

Question 23

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

Answer 23

To the right of the symbol

Question 24

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

Answer 24

True

Question 25

What does the dashed line represent in ISO 2553 symbolic representation?

Answer 25

The other side of the joint to where the arrowhead is pointing