In the illustration shown, which of the...

Question 1 / 270705eccef9abacbc34ba4d450ad

Question 1 of 270705eccef9abacbc34ba4d450ad

In the illustration shown, which of the lines are considered as 'visible lines' in blueprint reading? See illustration GS-0033.

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Question 1 of 27070

In the illustration shown, which of the lines are considered as 'visible lines' in blueprint reading? See illustration GS-0033.

If the question has a related picture, it will appear here.

🔍 Key Concepts

• Identify how visible (object) lines are drawn in standard blueprint drafting compared to hidden lines and centerlines. • Look closely at the line styles in the figure: solid, dashed, and dash–dot patterns each have different meanings. • Remember that visible lines represent the actual edges you can see when looking at the object from that view.

💭 Think About

• For each labeled line (A, B, C, D), ask: does this represent an edge you could physically see from that view, or something hidden/imaginary like a center or projection? • Compare the pattern of each labeled line: which ones are continuous thick lines, and which ones are broken or alternating patterns? • Think about the circle in the right-hand view: which part of that drawing shows the real edge of the round hole or cylinder, and which shows its center axis?

✅ Before You Answer

• Confirm which labels point to continuous solid lines (standard for visible/object edges in blueprints). • Verify that hidden lines are shown as short, evenly spaced dashes and should NOT be counted as visible lines. • Verify that centerlines are shown as alternating long and short dashes (dash–dot pattern) and also should NOT be counted as visible lines.

Question 1 of 27070

In the illustration shown, which of the lines are considered as 'visible lines' in blueprint reading? See illustration GS-0033.

The line indicated by letter "A" only.

The line indicated by letter "B" only.

The lines indicated by the letters "B" and "D".

The lines indicated by the letters "A" and "D".

Question 1 / 270705eccef9abacbc34ba4d450ad

Question 1 of 270705eccef9abacbc34ba4d450ad

In the illustration shown, which of the lines are considered as 'visible lines' in blueprint reading? See illustration GS-0033.

Back

Question 1 of 27070

In the illustration shown, which of the lines are considered as 'visible lines' in blueprint reading? See illustration GS-0033.

If the question has a related picture, it will appear here.