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Exam (elaborations)

STUDY QUESTIONS - ASTM C39/C39M WITH CORRECT QUESTIONS AND ANSWERS

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STUDY QUESTIONS - ASTM C39/C39M WITH CORRECT QUESTIONS AND ANSWERS

Institution
CR 39
Course
CR 39

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STUDY QUESTIONS - ASTM C39/C39M
WITH CORRECT QUESTIONS AND
ANSWERS
T/F
This4test4method4measures4the4compressive4strength4of4cylindrical4concrete4that4
has4a4density4of4less4than4[504lb/ft^3]4-4answer-
False;4have4a4density4of4MORE4than4[504lb/ft^3]

T/F
Test4method4C39/
C39M4consists4of4applying4a4compressive4axial4load4to4molded4cylinders4or4core
s4at4any4rate4until4failure4occurs.4-4answer-False;4a4PRESCRIBED4rate

Results4obtained4from4the4compressive4strength4test4method4will4depend4on4man
y4things,4such4as4the4size4and4_____4of4the4specimen,4batching,4_____4procedu
res,4the4age,4temperature,4and4_____4conditions4during4curing.4-4answer-
Shape,4mixing,4moisture

This4test4method4is4used4to4determine4___4___4of4cylindrical4specimens.4-
4answer-Compressive4strength

The4calibration4of4the4testing4machines4must4be4verified4under4four4conditions:4wi
thin4___4months4of4the4last4calibration,4upon4original4instillation4or4after4_____,4a
fter4making4_____4or4adjustments,4and4whenever4there4is4reason4to4suspect4the4
_____4of4the4indicated4loads.4-4answer-13,4relocation,4repairs,4accuracy

T/F
The4machine4must4be4power4operated4and4apply4the4load4intermittently.4-
4answer-False;4apply4the4load4CONTINUOUSLY

T/F
Supplemental4means4of4loading4for4calibration4may4be4power4or4hand4operated.4-
4answer-True

The4percentage4of4error4for4loads4used4in4the4testing4machine4should4not4excee
d4_____4of4the4indicated4load.4-4answer-+-1.0%

T/F
The4testing4machine4should4have4two4steel4bearing4blocks:4a4spherically4seated4
block4and4a4solid4block.4-4answer-True
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CR 39
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Uploaded on
April 2, 2026
Number of pages
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Written in
2025/2026
Type
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Questions & answers

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  • study questions astm c39c39m with correct quest
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