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ASTM C109 - 21 Compressive Strength of Hydraulic Cement Mortars(57 questions fully solved
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ASTM C109 - 21 Compressive Strength of Hydraulic Cement Mortars(57 questions fully solved
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ASTM C109 - 21 CompressiveStrength of Hydraulic
Cement Mortars(57
questions fully solved &
updated
This test method provide the means of determining
the compressive strength of hydraulic _______and
other_________? - answer Cement--Mortars
Portland and air entrained cements are mixed at a
specified ________--_______ratio's? - answer Water--
Cement
The cube molds shall be _____inch or _____mm and
are compacted in _____layers? - answer 2--50--2
Cube molds shall be checked for conformance
every ___ 1/2years? (AASHTO R18 every 12 months)
- answer 2
Mechanically driven Mixer with bowl and paddle
conforming to ASTM C________? - answer 305
, Flow table and Flow mold conforming to ASTM
C_______ -C_______? - answer 230-- 230M
Tampers shall be checked for conformance ever
____ months? - answer 6
Tamper shall have a Shore A durometer hardness
of ______+-10? - answer 80
Each day the tamper is used it should be
___________inspected to confirm that the ends are
flat and at right angles? (rounded or peeling
tampers should not be allowed for use) - answer
Visually
The trowel should have a steel blade ____to ____
inches in length with ________ edges? - answer 4--
6--(100-150mm)--Straight
Moist room or cabinet for curing conforming to
ASTM C______? - answer 511
Compression machine shall be verified at
least________ or whenever there is a question of
accuracy? - answer Annually-- Accuracy
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