ACI Aggregate Testing Technician -
Level 1 - Section 4 2024/2025 Exam
Questions Marking Scheme New Update
| A+ Rated
AASHTO T 27 / ASTM C136
In this test method a set of sieves with progressively _____ openings
determines the ______ of the size of the particles sampled. - 🧠ANSWER
✔✔Smaller, distribution
AASHTO T 27 / ASTM C136
The purpose of the test is to determine the _____ of the materials used as
aggregates or proposed to be used as aggregates. - 🧠ANSWER
✔✔Grading
AASHTO T 27 / ASTM C136
Results of the test may also be useful in developing relationships related to
porosity and packing. - 🧠ANSWER ✔✔True
AASHTO T 27 / ASTM C136
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 1
STATEMENT. ALL RIGHTS RESERVED
, For material finer than the 75-μm sieve, you must use Test Method T 98. -
🧠ANSWER ✔✔False; Method T 11
AASHTO T 27 / ASTM C136
Balances for testing fine aggregate must be readable to _____ . -
🧠ANSWER ✔✔0.1 g
AASHTO T 27 / ASTM C136
When a sample is 20 kg or more, a ____ shaker is recommended. -
🧠ANSWER ✔✔Mechanical sieve
AASHTO T 27 / ASTM C136
More than ____ min. is considered excessive time spent in the mechanical
sieve shaker and may result in _____ of the sample. - 🧠ANSWER ✔✔10,
degradation
AASHTO T 27 / ASTM C136
The size of the field sample should be that shown in Practice T 2, or ____
that required in the chart under 7.4 and 7.5 (except as modified in 7.6),
whichever is greater. - 🧠ANSWER ✔✔Four times
AASHTO T 27 / ASTM C136
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 2
STATEMENT. ALL RIGHTS RESERVED
Level 1 - Section 4 2024/2025 Exam
Questions Marking Scheme New Update
| A+ Rated
AASHTO T 27 / ASTM C136
In this test method a set of sieves with progressively _____ openings
determines the ______ of the size of the particles sampled. - 🧠ANSWER
✔✔Smaller, distribution
AASHTO T 27 / ASTM C136
The purpose of the test is to determine the _____ of the materials used as
aggregates or proposed to be used as aggregates. - 🧠ANSWER
✔✔Grading
AASHTO T 27 / ASTM C136
Results of the test may also be useful in developing relationships related to
porosity and packing. - 🧠ANSWER ✔✔True
AASHTO T 27 / ASTM C136
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 1
STATEMENT. ALL RIGHTS RESERVED
, For material finer than the 75-μm sieve, you must use Test Method T 98. -
🧠ANSWER ✔✔False; Method T 11
AASHTO T 27 / ASTM C136
Balances for testing fine aggregate must be readable to _____ . -
🧠ANSWER ✔✔0.1 g
AASHTO T 27 / ASTM C136
When a sample is 20 kg or more, a ____ shaker is recommended. -
🧠ANSWER ✔✔Mechanical sieve
AASHTO T 27 / ASTM C136
More than ____ min. is considered excessive time spent in the mechanical
sieve shaker and may result in _____ of the sample. - 🧠ANSWER ✔✔10,
degradation
AASHTO T 27 / ASTM C136
The size of the field sample should be that shown in Practice T 2, or ____
that required in the chart under 7.4 and 7.5 (except as modified in 7.6),
whichever is greater. - 🧠ANSWER ✔✔Four times
AASHTO T 27 / ASTM C136
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 2
STATEMENT. ALL RIGHTS RESERVED
