Study Questions - ASTM C39-
/ / / /
C39M Exam With Correct Answers
/ / / /
T/F
This
/test
/method
/measures
/the
/compressive
/strength
/of /cylindrical /concrete /that /has /a /density /of /less /than /[50 /lb/ft^3] /- /verified /answer(s)-
✔✔False; /have /a /density /of /MORE /than /[50 /lb/ft^3]
T/F
Test
/method
/C39/C39M
/consists
/of
/applying /
a
/compressive /axial /load /to /molded /cylinders /or /cores /at /any /rate /until /failure /occurs. /- /verified
/answer(s)-✔✔False; /a /PRESCRIBED /rate
Results
/obtained
/from
/the
/compressive
/strength
/test
, /method
/will
/depend
/on
/many
/things,
/such
/as
/the
/size
/and
/_____
/of
/the
/specimen,
/batching,
/_____
/procedures, /the /age, /temperature, /and /_____ /conditions /during /curing. /- /verified /answer(s)-
✔✔Shape, /mixing, /moisture
This /test /method /is /used /to /determine /___ /___ /of /cylindrical /specimens. /- /verified /answer(s)-
✔✔Compressive /strength
The
/calibration
/of
/the
/testing
/machines
/must
/be
/verified
/under
/four
/conditions:
/within
/ / / /
C39M Exam With Correct Answers
/ / / /
T/F
This
/test
/method
/measures
/the
/compressive
/strength
/of /cylindrical /concrete /that /has /a /density /of /less /than /[50 /lb/ft^3] /- /verified /answer(s)-
✔✔False; /have /a /density /of /MORE /than /[50 /lb/ft^3]
T/F
Test
/method
/C39/C39M
/consists
/of
/applying /
a
/compressive /axial /load /to /molded /cylinders /or /cores /at /any /rate /until /failure /occurs. /- /verified
/answer(s)-✔✔False; /a /PRESCRIBED /rate
Results
/obtained
/from
/the
/compressive
/strength
/test
, /method
/will
/depend
/on
/many
/things,
/such
/as
/the
/size
/and
/_____
/of
/the
/specimen,
/batching,
/_____
/procedures, /the /age, /temperature, /and /_____ /conditions /during /curing. /- /verified /answer(s)-
✔✔Shape, /mixing, /moisture
This /test /method /is /used /to /determine /___ /___ /of /cylindrical /specimens. /- /verified /answer(s)-
✔✔Compressive /strength
The
/calibration
/of
/the
/testing
/machines
/must
/be
/verified
/under
/four
/conditions:
/within