IST Blueprint Reading and Technical Drawings 2

Question 1

What does the notation 'TYP' (typical) mean when used with a dimension on a blueprint?

Accepted Answer

The same dimension applies to all identical or similar features on the drawing

Answer

The dimension is approximate and may vary

Answer

The dimension has been revised from a previous version

Answer

The feature shown is optional

Question 2

What does a section view reveal in a technical drawing?

Accepted Answer

Internal features exposed by an imaginary cutting plane sliced through the object

Answer

The complete external outline of the entire part from above

Answer

Only the hidden lines present inside the part

Answer

A top-down pictorial view of the assembly

Question 3

What does placing a dimension in parentheses — such as (2.500) — indicate on a blueprint?

Accepted Answer

The dimension is a reference only and is not used to control manufacturing

Answer

The dimension has a tight tolerance

Answer

The dimension applies to the mating part

Answer

The dimension is in millimeters

Question 4

What is an isometric drawing?

Accepted Answer

A three-dimensional pictorial drawing showing three faces with all axes at 120° to each other

Answer

A drawing showing only the front orthographic view of an object

Answer

A cross-sectional view cut through the middle of an object

Answer

A drawing that displays only hidden lines and internal features

Question 5

On a blueprint, what does 'MAX' following a dimension (e.g., .750 MAX) indicate?

Accepted Answer

A limit dimension specifying the largest acceptable size for that feature

Answer

The nominal target size the part should match exactly

Answer

The maximum torque to apply during assembly

Answer

The measurement was taken using special precision equipment

Question 6

What does the cutting plane line on a blueprint indicate?

Accepted Answer

The location and direction of the imaginary cut used to create a section view

Answer

Where material will be removed by a milling cutter

Answer

The outline of a removable cover or panel

Answer

A boundary between two different materials

Question 7

In GD&T, what does the concentricity symbol (two concentric circles ◎) control?

Accepted Answer

The relationship between the median points of a cylindrical feature and a datum axis

Answer

The flatness of a planar surface within a tolerance zone

Answer

The perpendicularity of a surface to a reference plane

Answer

The position of a pattern of holes relative to a datum