Scales in Construction Drawings

Which of the following is the most commonly used scale for general arrangement drawings in construction?

• 1:1

• 1:50

• 1:500

• 1:1000

What does a scale of 1:100 mean on a construction drawing?

• 1 unit on the drawing equals 100 units in real life

• 100 units on the drawing equals 1 unit in real life

• 1 unit on the drawing equals 10 units in real life

• 1 unit on the drawing equals 1 unit in real life

Which scale would be most appropriate for a detailed joinery drawing showing a window frame?

• 1:500

• 1:100

• 1:5

• 1:1000

If a wall measures 4 metres on a 1:50 scale drawing, what is the actual length of the wall?

• 4 metres

• 20 metres

• 200 metres

• 50 metres

Which of the following scale types is best suited for site plans showing the layout of buildings on a plot?

• 1:1

• 1:5

• 1:500

• 1:10

On a 1:20 scale drawing, a door is shown as 500 mm wide. What is the actual width of the door?

• 2,000 mm

• 500 mm

• 1,000 mm

• 20 mm

Which of the following best describes a full-size scale?

• 1:10

• 1:100

• 1:1

• 1:50

If a staircase is drawn at a scale of 1:10 and measures 30 cm on the drawing, what is its actual length?

• 3 metres

• 30 metres

• 300 cm

• 3 cm

Which scale would be most suitable for a location plan showing the position of a building within a town?

• 1:1

• 1:50

• 1:1250

• 1:5

What is the main reason for using different scales on construction drawings?

• To make the drawings look more attractive

• To fit different levels of detail and information onto the paper

• To confuse the builders

• To reduce the cost of printing