Question

The following line is used for dimension line​

A)Continuous thick

B)Continuous thin

C)Chain thin line

D)Short zigzag thin

Answer 1

B) Continuous thin is used for dimension line​

Explanation for correct option

• Dimension line is the one that is used to demonstrate dimensions and it has arrows on each end.

• Dimensions are the measure of a line e.g. side of a square or triangle etc.

• Dimension line is drawn closer to the side of the shape and represents the measure/ dimensions of that side.
• Therefore, option b) is correct.

Explanation for incorrect option

• Chain thin line are used to represent center lines.
• In engineering drawing, thin chain lines represent shapes or parts or object that are on the other side of the image e.g. not visible from the front.

Explanation for incorrect option

• Short zigzag thin lines represent breaks in the drawing.

Explanation for incorrect option

• Continuous thick lines are used to line the boundary.