CPII Road and Pavement Inspection 2

Question 1

Which distress type is characterized by crescent-shaped cracks caused by traffic loading on unstable base material?

Accepted Answer

Slippage cracking

Answer

Slippage cracking forms crescent or parabolic shapes due to horizontal forces from traffic on a weak pavement-layer bond.

Question 2

When measuring rut depth in the field, inspectors typically use a:

Accepted Answer

Straight-edge and depth gauge

Answer

A 4-foot straight-edge placed across the rut and a depth gauge or ruler measure the maximum rut depth.

Question 3

A Pavement Condition Index (PCI) score of 25 corresponds to which condition category?

Accepted Answer

Very Poor

Answer

PCI scores from 0–10 are 'Failed,' 11–25 are 'Very Poor,' 26–40 are 'Poor,' and 41–55 are 'Fair.'

Question 4

Which field test provides a direct measure of pavement surface friction?

Accepted Answer

Locked-wheel skid resistance test

Answer

The locked-wheel skid resistance test (ASTM E274) drags a test tire at a known speed to measure the Skid Number.

Question 5

Bleeding (flushing) in asphalt pavement is primarily caused by:

Accepted Answer

Excess asphalt binder migrating to the surface

Answer

Bleeding occurs when excess asphalt binder fills air voids and rises to the pavement surface, creating a shiny, sticky film.

(CPII) Certified Public Infrastructure Inspector Practice Test