Maryland Concrete Testing Technician
Grade II Exam Practice Questions And
Correct Answers (Verified Answers) Plus
Rationale 2026 Q&A| Instant Download
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1. A technician performing advanced laboratory testing for concrete
must ensure compliance with ASTM standards to maintain data
reliability. Which of the following best describes the primary purpose
of ASTM C192/C192M in concrete laboratory practice?
A. It governs field sampling of fresh concrete from delivery trucks only
B. It establishes procedures for making and curing concrete test specimens
in a controlled laboratory environment
C. It defines acceptance criteria for hardened concrete strength in structural
design
D. It regulates only air content testing methods for fresh concrete
The correct answer is B. ASTM C192/C192M specifically provides
standardized procedures for preparing, making, and curing concrete test
specimens in a laboratory setting to ensure consistency and repeatability
of test results.
2. In concrete testing certification, proper evaluation of strength results
is critical for quality control. Which ACI document is primarily used to
evaluate the statistical reliability of concrete strength test data?
,A. ACI 211.1
B. ACI 318
C. ACI 214R
D. ACI 301
The correct answer is C. ACI 214R provides guidance on evaluating and
interpreting strength test results, including statistical methods for
assessing concrete quality and variability.
3. A laboratory technician is required to determine the splitting tensile
strength of cylindrical concrete specimens. Which ASTM standard
governs this test procedure?
A. ASTM C496/C496M
B. ASTM C138/C138M
C. ASTM C143/C143M
D. ASTM C157/C157M
The correct answer is A. ASTM C496/C496M specifies the procedure for
determining the splitting tensile strength of cylindrical concrete specimens
under controlled loading conditions.
4. During certification preparation, a technician must understand the
purpose of ACI 211.1. What is the main function of this standard?
A. It provides methods for concrete curing in field conditions
B. It establishes procedures for selecting concrete mix proportions
C. It defines concrete compressive strength acceptance criteria
D. It regulates construction safety procedures on job sites
The correct answer is B. ACI 211.1 outlines methods for proportioning
concrete mixtures to achieve desired workability, strength, and durability.
5. A technician is tasked with measuring the change in length of
hardened cement-based materials over time. Which ASTM standard is
applicable?
,A. ASTM C1064/C1064M
B. ASTM C157/C157M
C. ASTM C231/C213M
D. ASTM C470/C470M
The correct answer is B. ASTM C157/C157M covers the measurement of
length change in hardened hydraulic cement mortar and concrete to assess
shrinkage and expansion.
6. Which of the following best describes the requirement for passing the
written examination for Concrete Laboratory Testing Technician—
Level 2 certification?
A. Minimum 50% overall score only
B. Minimum 60% overall score with no sectional requirements
C. At least 60% in each required standard and 70% overall
D. At least 70% in each section and 80% overall
The correct answer is C. Candidates must achieve at least 60% on each
required standard and a minimum overall score of 70% to pass.
7. A technician preparing concrete test cylinders must ensure proper
mold usage. Which ASTM standard governs molds for forming
cylindrical concrete specimens?
A. ASTM C470/C470M
B. ASTM C192/C192M
C. ASTM C138/C138M
D. ASTM C42/C42M
The correct answer is A. ASTM C470/C470M specifies requirements for
molds used to form concrete test cylinders in a vertical position.
8. Which of the following ASTM tests is used to determine the unit
weight (density) of fresh concrete?
, A. ASTM C143/C143M
B. ASTM C138/C138M
C. ASTM C173/C173M
D. ASTM C1064/C1064M
The correct answer is B. ASTM C138/C138M is used to determine the unit
weight, yield, and air content of fresh concrete using gravimetric methods.
9. A technician is measuring slump to assess concrete workability. Which
ASTM standard applies?
A. ASTM C143/C143M
B. ASTM C231/C213M
C. ASTM C157/C157M
D. ASTM C496/C496M
The correct answer is A. ASTM C143/C143M defines the slump test
procedure used to measure consistency and workability of fresh concrete.
10. Which ASTM standard is used for determining air content of
fresh concrete using the pressure method?
A. ASTM C138/C138M
B. ASTM C231/C213M
C. ASTM C1064/C1064M
D. ASTM C192/C192M
The correct answer is B. ASTM C231/C213M describes the pressure method
for determining air content in fresh concrete.
11. A technician records temperature of fresh concrete during
testing. Which ASTM standard governs this procedure?
A. ASTM C1064/C1064M
B. ASTM C157/C157M
C. ASTM C192/C192M
D. ASTM C470/C470M
Grade II Exam Practice Questions And
Correct Answers (Verified Answers) Plus
Rationale 2026 Q&A| Instant Download
1. A technician performing advanced laboratory testing for concrete
must ensure compliance with ASTM standards to maintain data
reliability. Which of the following best describes the primary purpose
of ASTM C192/C192M in concrete laboratory practice?
A. It governs field sampling of fresh concrete from delivery trucks only
B. It establishes procedures for making and curing concrete test specimens
in a controlled laboratory environment
C. It defines acceptance criteria for hardened concrete strength in structural
design
D. It regulates only air content testing methods for fresh concrete
The correct answer is B. ASTM C192/C192M specifically provides
standardized procedures for preparing, making, and curing concrete test
specimens in a laboratory setting to ensure consistency and repeatability
of test results.
2. In concrete testing certification, proper evaluation of strength results
is critical for quality control. Which ACI document is primarily used to
evaluate the statistical reliability of concrete strength test data?
,A. ACI 211.1
B. ACI 318
C. ACI 214R
D. ACI 301
The correct answer is C. ACI 214R provides guidance on evaluating and
interpreting strength test results, including statistical methods for
assessing concrete quality and variability.
3. A laboratory technician is required to determine the splitting tensile
strength of cylindrical concrete specimens. Which ASTM standard
governs this test procedure?
A. ASTM C496/C496M
B. ASTM C138/C138M
C. ASTM C143/C143M
D. ASTM C157/C157M
The correct answer is A. ASTM C496/C496M specifies the procedure for
determining the splitting tensile strength of cylindrical concrete specimens
under controlled loading conditions.
4. During certification preparation, a technician must understand the
purpose of ACI 211.1. What is the main function of this standard?
A. It provides methods for concrete curing in field conditions
B. It establishes procedures for selecting concrete mix proportions
C. It defines concrete compressive strength acceptance criteria
D. It regulates construction safety procedures on job sites
The correct answer is B. ACI 211.1 outlines methods for proportioning
concrete mixtures to achieve desired workability, strength, and durability.
5. A technician is tasked with measuring the change in length of
hardened cement-based materials over time. Which ASTM standard is
applicable?
,A. ASTM C1064/C1064M
B. ASTM C157/C157M
C. ASTM C231/C213M
D. ASTM C470/C470M
The correct answer is B. ASTM C157/C157M covers the measurement of
length change in hardened hydraulic cement mortar and concrete to assess
shrinkage and expansion.
6. Which of the following best describes the requirement for passing the
written examination for Concrete Laboratory Testing Technician—
Level 2 certification?
A. Minimum 50% overall score only
B. Minimum 60% overall score with no sectional requirements
C. At least 60% in each required standard and 70% overall
D. At least 70% in each section and 80% overall
The correct answer is C. Candidates must achieve at least 60% on each
required standard and a minimum overall score of 70% to pass.
7. A technician preparing concrete test cylinders must ensure proper
mold usage. Which ASTM standard governs molds for forming
cylindrical concrete specimens?
A. ASTM C470/C470M
B. ASTM C192/C192M
C. ASTM C138/C138M
D. ASTM C42/C42M
The correct answer is A. ASTM C470/C470M specifies requirements for
molds used to form concrete test cylinders in a vertical position.
8. Which of the following ASTM tests is used to determine the unit
weight (density) of fresh concrete?
, A. ASTM C143/C143M
B. ASTM C138/C138M
C. ASTM C173/C173M
D. ASTM C1064/C1064M
The correct answer is B. ASTM C138/C138M is used to determine the unit
weight, yield, and air content of fresh concrete using gravimetric methods.
9. A technician is measuring slump to assess concrete workability. Which
ASTM standard applies?
A. ASTM C143/C143M
B. ASTM C231/C213M
C. ASTM C157/C157M
D. ASTM C496/C496M
The correct answer is A. ASTM C143/C143M defines the slump test
procedure used to measure consistency and workability of fresh concrete.
10. Which ASTM standard is used for determining air content of
fresh concrete using the pressure method?
A. ASTM C138/C138M
B. ASTM C231/C213M
C. ASTM C1064/C1064M
D. ASTM C192/C192M
The correct answer is B. ASTM C231/C213M describes the pressure method
for determining air content in fresh concrete.
11. A technician records temperature of fresh concrete during
testing. Which ASTM standard governs this procedure?
A. ASTM C1064/C1064M
B. ASTM C157/C157M
C. ASTM C192/C192M
D. ASTM C470/C470M
