PIC Materials Testing & Asphalt Composition

Question 1

What is the primary component of asphalt binder?

Accepted Answer

Bitumen

Answer

Cement

Answer

Clay

Answer

Sand

Question 2

Which test is used to determine the asphalt content in a mix?

Accepted Answer

Ignition oven test

Answer

Core test

Answer

Slump test

Answer

Air void test

Question 3

Why is aggregate gradation important in asphalt composition?

Accepted Answer

To provide optimal density and stability

Answer

To increase cost

Answer

To allow more water in mix

Answer

To make mixing easier

Question 4

What does the Marshall Stability test measure?

Accepted Answer

Stability and flow of asphalt mix

Answer

Color of asphalt

Answer

Temperature of binder

Answer

Weight of the roller

Question 5

What is the purpose of performing a sieve analysis?

Accepted Answer

To evaluate particle size distribution

Answer

To assess water content

Answer

To check bitumen level

Answer

To measure air temperature

Question 6

Which property is assessed by the air voids test in asphalt mixtures?

Accepted Answer

Void content in the mix

Answer

Air pressure

Answer

Asphalt temperature

Answer

Water permeability

Question 7

What does a high voids in mineral aggregate (VMA) indicate?

Accepted Answer

More space for binder in mix

Answer

High water content

Answer

Low asphalt content

Answer

High aggregate density

Question 8

Why is temperature control critical during asphalt paving?

Accepted Answer

To ensure proper compaction and workability

Answer

To prevent color fading

Answer

To reduce costs

Answer

To increase aggregate content

Question 9

What is stripping in asphalt pavement?

Accepted Answer

Loss of adhesion due to moisture

Answer

Color fading

Answer

Aggregate settling

Answer

Binder hardening