After 50 uses, test results D. ±2000 psi of highest strength
may be used for greater
than 50 times at...
A. ±5000 psi of average
strength
B. ±5000 psi of highest
strength
C. ±2000 psi of average
strength
D. ±2000 psi of highest
strength
After curing, name the 3 I. Perpendicularity
checks to perform on the II. Planeness
concrete cylinder. III. Diameter
Align the _____ of the d
specimen with teh _____ of
thrust of the spherically
shaped block.
The _____ and _____ of the d
spherically seated bearing
block must be designed
so that the steel in the
contact area does not
permanently deform when
loaded to the capacity of
the testing machine.
Apply the load _____ and continuously ... shock
without _____.
The average compresive B. 10 psi [.07 Mpa]
strength of a concrete
cylinder specimen is to be
reported to the nearest:
A. 1 psi [0.007 MPa]
B. 10 psi [.07 MPa]
C. 50 psi [0.3 MPa]
D. 100 psi [0.7 MPa)
Bearing blocks used in the d
_____ method must ensure
,The _____ block should d
provide a readily
machinable surface for
maintenance of the
specified surface
conditions.
Briefly describe how to Run a 1/16th inch feeler gauge along the side of the
check for the cylinder in 2-3 locations.
perpendicular of a
concrete cylinder.
Bumps on caps should not C. 0.2 inches
exceed:
A. 0.05 inches
B. 0.1 inches
C. 0.2 inches
D. 0.5 inches
E. None of the above
Calculate the compressive load ... cross-sectional
strength by dividing the
_____ by the average _____
area determined.
The calibration of the 13 ...
testing machines must be
verified under four
conditions:
I. within ____ months of the
previous calibration
II. upon original
installation or after _____
III. after making _____ or
adjustments
IV. whenever there is
reason to suspect the _____
of the indicated loads.
Cement paste may only B. Freshly molded cylinders
be used on:
A. Hardened molded
cylinders
B. Freshly molded
, The cement paste should 2-4 ... settling
be applied to the freshly
molded cylinder from _____
hours after molding. This is
to allow for _____ of the
concrete specimen.
The curved surface of the s ... oil ... 3
socket should be _____ and
lubricated with _____ at
least every _____ months.
Depressions in the ends of 1/8 inch
cylinders that exceed _____
must be corrected by
sawing or grinding prior to
testing.
The designated loading B. The latter half of the loading phase
rate of movement of the
compression machine
shall e maintained at lease
during the:
A. First half of the loading
phase
B. The latter half of the
loading phase
C. Both A and C
D. None of the above
The diameter of the B. Middle
concrete cylinder is
measured along the:
A. Top
B. Middle
C. Bottom
D. Top and Bottom
may be used for greater
than 50 times at...
A. ±5000 psi of average
strength
B. ±5000 psi of highest
strength
C. ±2000 psi of average
strength
D. ±2000 psi of highest
strength
After curing, name the 3 I. Perpendicularity
checks to perform on the II. Planeness
concrete cylinder. III. Diameter
Align the _____ of the d
specimen with teh _____ of
thrust of the spherically
shaped block.
The _____ and _____ of the d
spherically seated bearing
block must be designed
so that the steel in the
contact area does not
permanently deform when
loaded to the capacity of
the testing machine.
Apply the load _____ and continuously ... shock
without _____.
The average compresive B. 10 psi [.07 Mpa]
strength of a concrete
cylinder specimen is to be
reported to the nearest:
A. 1 psi [0.007 MPa]
B. 10 psi [.07 MPa]
C. 50 psi [0.3 MPa]
D. 100 psi [0.7 MPa)
Bearing blocks used in the d
_____ method must ensure
,The _____ block should d
provide a readily
machinable surface for
maintenance of the
specified surface
conditions.
Briefly describe how to Run a 1/16th inch feeler gauge along the side of the
check for the cylinder in 2-3 locations.
perpendicular of a
concrete cylinder.
Bumps on caps should not C. 0.2 inches
exceed:
A. 0.05 inches
B. 0.1 inches
C. 0.2 inches
D. 0.5 inches
E. None of the above
Calculate the compressive load ... cross-sectional
strength by dividing the
_____ by the average _____
area determined.
The calibration of the 13 ...
testing machines must be
verified under four
conditions:
I. within ____ months of the
previous calibration
II. upon original
installation or after _____
III. after making _____ or
adjustments
IV. whenever there is
reason to suspect the _____
of the indicated loads.
Cement paste may only B. Freshly molded cylinders
be used on:
A. Hardened molded
cylinders
B. Freshly molded
, The cement paste should 2-4 ... settling
be applied to the freshly
molded cylinder from _____
hours after molding. This is
to allow for _____ of the
concrete specimen.
The curved surface of the s ... oil ... 3
socket should be _____ and
lubricated with _____ at
least every _____ months.
Depressions in the ends of 1/8 inch
cylinders that exceed _____
must be corrected by
sawing or grinding prior to
testing.
The designated loading B. The latter half of the loading phase
rate of movement of the
compression machine
shall e maintained at lease
during the:
A. First half of the loading
phase
B. The latter half of the
loading phase
C. Both A and C
D. None of the above
The diameter of the B. Middle
concrete cylinder is
measured along the:
A. Top
B. Middle
C. Bottom
D. Top and Bottom
