ATT Sieve Analysis & Gradation

Question 1

What is the purpose of performing a sieve analysis on aggregates?

Accepted Answer

To determine particle size distribution.

Answer

To check aggregate temperature.

Answer

To remove fine particles.

Answer

To identify moisture content.

Question 2

Which ASTM standard is used for sieve analysis of fine and coarse aggregates?

Accepted Answer

ASTM C136/C136M

Answer

ASTM C117

Answer

ASTM C29

Answer

ASTM C40

Question 3

What is the proper procedure if material is retained on the sieve frame edge?

Accepted Answer

Return it to the sieve for proper separation.

Answer

Discard the retained material.

Answer

Report it as passing.

Answer

Push material through the mesh.

Question 4

How is the percent passing a sieve calculated?

Accepted Answer

Sample weight minus retained weight divided by total sample weight, times 100.

Answer

Retained weight divided by sample weight.

Answer

Sample weight times retained weight.

Answer

Retained weight minus sample weight.

Question 5

What is the maximum allowable material loss during sieve analysis per ASTM C136?

Accepted Answer

0.3%

Answer

0.5%

Answer

0.2%

Answer

1.0%

Question 6

Which equipment is essential for performing a mechanical sieve analysis?

Accepted Answer

Mechanical sieve shaker

Answer

Oven

Answer

Vacuum pump

Answer

Moisture tester