According to ASTM C39, what is the required rate of load application during compressive strength testing of a concrete cylinder?
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A
20 to 50 psi/s (0.14 to 0.34 MPa/s)
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B
100 to 150 psi/s (0.69 to 1.03 MPa/s)
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C
5 to 10 psi/s (0.03 to 0.07 MPa/s)
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D
150 to 250 psi/s (1.03 to 1.72 MPa/s)