Graphics Technology Term 2 Refresher quiz

These are called

• Hidden Lines

• Dotted Lines

• Dash Lines

• Solid Lines

Answer explanation

Hidden lines are used to indicate lines and features of an object that are not visible on the surface of the drawing.

Before adding in the dimension lines in an Orthographic drawing, we need to add in (a)   lines

Answer explanation

Leading lines are used for dimensions and help to separate the dimensions from the object by pointing/leading away from it.

Should leading lines for dimension lines touch the object?

• Yes

• No

Answer explanation

No, leading lines for dimension lines should not touch the object to avoid confusion and ensure clarity in the measurement.

Where do we put the dimensions on vertical dimension lines?

• Rotated to face the centre of the drawing (object)

• Rotated 90 degrees to the left (readable from the right)

• Horizontally to be read from the front

• Rotated to face the outside of the drawing (object)

Answer explanation

Dimensions on vertical dimension lines are rotated 90 degrees to the left to be readable from the right side of the drawing to ensure consistency and readability.

How do we indicate a cross-section of an object in a drawing?

Using lines at a 45 degree angle from

• left to right going up

• both sides creating a criss-cross pattern

• left to right going down

Answer explanation

To indicate a cross-section of an object in a drawing, we use lines at a 45 degree angle from left to right going up.

We use a 30/60 degree set square for (a)   drawings

Answer explanation

Isometric drawings are drawn at angle of 30 degrees.

We use a 45 degree set square for (a)   drawings

Answer explanation

Oblique drawings facing the front are drawn from the front view while all other lines are drawn at a 45 degree angle to show depth.

What is the wooden tool called?

• T-square

• T-rule

• T-bar

• T-line

We write our dimensions using what unit of measurement?

• mm

• cm

• inches

• feet

Answer explanation

We write our dimensions using the unit of measurement 'mm', which stands for millimeters.

What is the type of line we use as a guide when drawing that we later remove (erase)?

(a)  

Answer explanation

We use construction lines when drawing isometric or oblique drawings to help ensure that the angle of our lines are correct before drawing the actual shape of the object.