CORRECT ANSWERS 2025
The diameter of the tamping rod used in the test method is . - CORRECT ANSWER -5/8" ±1/16"
What is the required shape of the tamping end of the rod - CORRECT ANSWER -hemispherical tip
What is the minimum required frequency of the vibrator used in this method? - CORRECT ANSWER -
150 Hz
The OD of the vibrating element must be to - CORRECT ANSWER -0.75", 1.5"
A plastic container can be used for the measure in this method. (T/F) - CORRECT ANSWER -F
The minimum thickness of a metal strike-
off plate is and the minimum thickness of a glass or acrylic strike-
off plate is . The width must be greater than the diameter of the measure. -
CORRECT ANSWER -1/4", 1/2", 2"
Mallet size for measures ≤ 0.5 cf =
Mallet size for measures > 0.5 cf = - CORRECT ANSWER -1.25± 0.5 pounds,
2.25 ± 0.5 pounds
Measures other than air meter bowls used for this test must conform to ASTM .-
CORRECT ANSWER -C29
Air meter bowls must conform to and be calibrated for volume according to -
CORRECT ANSWER -C231, C29
The concrete sample must be obtained in accodance with what ASTM method? - CORRECT ANSWER -
C172