TD1-Mechanical Scales

Why is drawing to scale important?  

• It provides a standard reference of measurement
  
• It is used to convert fractions to decimals
  
• Helps in drawing straight lines
• Used to convert inches to millimeters

What is the distance at the arrow?

• 120 ft

• 66 ft

• 66 inches

• 606 ft

What is the distance at the arrow?

• 3.2 ft

• 32 ft

• 320 ft

• 3,200 ft

What is the distance at the arrow?

• 14.5 miles

• 15 miles

• 5,000 miles

• 15,000 miles

What is the distance at the arrow?

• .93 in

• .88 in

• 8.8 in

• 9.3 ft

What is the distance at the arrow?

• 400 ft

• 10.2 ft

• 102 ft

• 1020 ft

What is the distance at the arrow?

• 185 ft

• 160 ft

• .185 ft

• 185 inches

The 30 Scale is:

• One third the normal size

• 30 marks in one inch

• Measures up to 36

• All of the above

The 10 Scale is:

• Full Size

• One Fifth size

• One Fourth size

• One Half size

A more accurate name for the Engineer's Scale is:

• Decimal Scale

• Engineer's Scale

• Civil Engineer's Scale

• Metric Scale