Question

Bitumen grade 80/100 Indicates that under the standard test conditions, penetration value of bitumen would vary from

• A. 0.08 mm to 0.1 mm
• B. 8 cm to 10 cm
• C. 0.8 mm to 1 mm
• D. 8 mm to 10 mm

Answer 1

The correct option is D 8 mm to 10 mm

$\text{Penetration}=\frac{1}{10}\times \text{reading on scale}$