ACI CONCRETE FIELD TESTING GRADE 1 NEWEST EXAM
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ASTM C143-(Para 7.1)
Dampen the mold and place it on a rigid, flat,
level, moist, nonabsorbent surface, free of
vibration.
When filling the slump cone, each layer should be rodded 25
times.
A. True
B. False - ANSWER-A. True
ASTM C138- (Para 6.7)
After strike-off, clean all excess concrete from the exterior of
the measure and determine the mass of the concrete. NOT the
net weight of concrete.
Q110. Strike-off density (unit weight) bucket by:
,A. Using a trowel in a sawing motion
B. Using a straightedge in a sawing motion
C. Using a flat plate in a sawing motion
D. None of the above - ANSWER-C. Using a flat plate in a
sawing motion.
ASTM C138- (Para 6.7)
measure by pressing the strike-off plate on the top
surface of the measure to cover about two thirds of
the surface and withdraw the plate with a sawing
motion to finish only the area originally covered.
If the density (unit weight) of concrete is 146 lb/ft³ and the total
batch weight is 35,468 lb., what is the yield?
A. 9.7 yd³
B. 7.0 yd³
C. 9.0 yd³
D. 243 yd³ - ANSWER-C. 9.0 yd³
ASTM C138- (Para 6.1)
Consolidate concretes with a slump less than 25 mm [1 in.] by
vibration.
,According to C138, concretes with slumps of 1-3 inches may
be compacted with the vibrator or the rod.
A. True
B. False - ANSWER-A. True
ASTM C138- (Para 6.1)
Rod or vibrate concrete with a slump of 25 to 75 mm [1 to 3 in.].
According to ASTM C138, when rodding the bottom layer, the
rod shall not forcibly strike the bottom of the measure.
A. True
B. False - ANSWER-A. True
ASTM C138- (Para 6.3)
Rod the bottom layer throughout its depth.
In rodding this layer, use care not to damage the bottom of the
measure.
. The strike-off plate must be:
, A. At least ¼ inch thick if metal
B. Flat
C. At least ½ inch thick if glass or acrylic
D. All of the above - ANSWER-D. All of the above
ASTM C138- (Para 4.5)
Strike-Off Plate: A flat rectangular metal plate at least 6 mm
[1⁄4 in.] thick or a glass or acrylic plate at least 12 mm [1⁄2 in.]
thick with a length and width at least 50 mm [2 in.] greater
than the diameter of the measure with which it is to be used.
The edges of the plate shall be straight and smooth within a
tolerance of 2 mm [1⁄16 in.].
. What is the optimum amount of the concrete that should be
protruding above the top of the mold after the third layer has
been tapped by the mallet?
A. None
B. About a 1/8 inch
C. About 1 inch
D. About 2 ½ inches - ANSWER-B. About a 1/8 inch
ASTM C138- (Para 6.5)
2025/2026 | ACTUAL COMPLETE ALL REAL EXAM QUESTIONS
AND CORRECT ANSWERS (VERIFIED ANSWERS )| ALREADY
GRADED A+ | LATEST EXAM | JUST RELEASED !!!
ASTM C143-(Para 7.1)
Dampen the mold and place it on a rigid, flat,
level, moist, nonabsorbent surface, free of
vibration.
When filling the slump cone, each layer should be rodded 25
times.
A. True
B. False - ANSWER-A. True
ASTM C138- (Para 6.7)
After strike-off, clean all excess concrete from the exterior of
the measure and determine the mass of the concrete. NOT the
net weight of concrete.
Q110. Strike-off density (unit weight) bucket by:
,A. Using a trowel in a sawing motion
B. Using a straightedge in a sawing motion
C. Using a flat plate in a sawing motion
D. None of the above - ANSWER-C. Using a flat plate in a
sawing motion.
ASTM C138- (Para 6.7)
measure by pressing the strike-off plate on the top
surface of the measure to cover about two thirds of
the surface and withdraw the plate with a sawing
motion to finish only the area originally covered.
If the density (unit weight) of concrete is 146 lb/ft³ and the total
batch weight is 35,468 lb., what is the yield?
A. 9.7 yd³
B. 7.0 yd³
C. 9.0 yd³
D. 243 yd³ - ANSWER-C. 9.0 yd³
ASTM C138- (Para 6.1)
Consolidate concretes with a slump less than 25 mm [1 in.] by
vibration.
,According to C138, concretes with slumps of 1-3 inches may
be compacted with the vibrator or the rod.
A. True
B. False - ANSWER-A. True
ASTM C138- (Para 6.1)
Rod or vibrate concrete with a slump of 25 to 75 mm [1 to 3 in.].
According to ASTM C138, when rodding the bottom layer, the
rod shall not forcibly strike the bottom of the measure.
A. True
B. False - ANSWER-A. True
ASTM C138- (Para 6.3)
Rod the bottom layer throughout its depth.
In rodding this layer, use care not to damage the bottom of the
measure.
. The strike-off plate must be:
, A. At least ¼ inch thick if metal
B. Flat
C. At least ½ inch thick if glass or acrylic
D. All of the above - ANSWER-D. All of the above
ASTM C138- (Para 4.5)
Strike-Off Plate: A flat rectangular metal plate at least 6 mm
[1⁄4 in.] thick or a glass or acrylic plate at least 12 mm [1⁄2 in.]
thick with a length and width at least 50 mm [2 in.] greater
than the diameter of the measure with which it is to be used.
The edges of the plate shall be straight and smooth within a
tolerance of 2 mm [1⁄16 in.].
. What is the optimum amount of the concrete that should be
protruding above the top of the mold after the third layer has
been tapped by the mallet?
A. None
B. About a 1/8 inch
C. About 1 inch
D. About 2 ½ inches - ANSWER-B. About a 1/8 inch
ASTM C138- (Para 6.5)
