ACI Concrete Practice Exam Questions and Answers | Verified & Updated 2024 | 100% Correct

ACI Concrete Practice Exam Questions and Answers | Verified & Updated 2024 | 100% Correct The end of the temperature sensing portion of the temperature measuring device is submerged a minimum of _____ into the freshly mixed concrete - Answer ️️ -3 The temperature measuring device shall be capable of measuring the temperature of freshly mixed concrete from ___ to ___ degrees - Answer ️️ -30, 120 The temperature measuring device should be verified ____ or whenever there is a question of ___ - Answer ️️ -annually, accuracy The temp of concrete can be measured in wheelbarrow - Answer ️️ -True The temperature of the concrete can be measured in a wall form - Answer ️️ -True A composite sample of concrete is required even if the only purpose for obtaining the sample is to determine temperature - Answer ️️ -True What must be done to the sample container prior to sampling concrete - Answer ️️ -Wet the container what must be done to the concrete surrounding the temperature measuring device after the device is submerged in concrete. - Answer ️️ -Close the voids surrounding device After temp is taken what must be done after - Answer ️️ -Record temp The temp is recorded to the nearest - Answer ️️ -1 F How long must the temperature measuring device remain in the freshly mixed concrete? - Answer ️️ -2-5 min According to Test Method C1064/C1064M, what is one reason to take the temperature of concrete? - Answer ️️ -Verify conformance to spec A maximum temperature of freshly mixed concrete is specified in Test Method C1064/C1064M, True or False - Answer ️️ -False The sample of concrete used for temp determination must be rodded 25 times, true or false - Answer ️️ -False