Frustum Study guides, Revision notes & Summaries

Concrete ACI What must be done if the concrete drops below the top of the Slump mold while the top layer is being rodded? - correct answer Add additional concrete to keep an excess of concrete above the top of the mold at all times Rod each layer ___ times uniformly over the cross section with the rounded end of the rod. - correct answer 25 The slump mold is filled in _____ layers. - correct answer 3 layers True or false the slump mold should be in a dry condition before beginning the ...

Concrete ACI Exam Questions And Answers Graded A+ What must be done if the concrete drops below the top of the Slump mold while the top layer is being rodded? Add additional concrete to keep an excess of concrete above the top of the mold at all times Rod each layer ___ times uniformly over the cross section with the rounded end of the rod. 25 The slump mold is filled in _____ layers. 3 layers True or false the slump mold should be in a dry condition before beginning the test?...

ACI Concrete Exam Questions And Answers Graded A+ What must be done if the concrete drops below the top of the Slump mold while the top layer is being rodded? Add additional concrete to keep an excess of concrete above the top of the mold at all times Rod each layer ___ times uniformly over the cross section with the rounded end of the rod. 25 The slump mold is filled in _____ layers. 3 layers True or false the slump mold should be in a dry condition before beginning the test?...

ACI Certification Concrete Field Testing Tech Grade 1 Questions and Answers 100% Verified The end of the temperature sensing portion of the temperature measuring device is submerged a minimum of ___________ into FRESHLY mixed concrete. - Answer- 75 mm (3 in) The temperature measuring device shall be capable of accurately measuring the temperature of freshly mixed concrete to _______________ throughout a range of ____________ C to _____________ C and _____________ F to ___________ F. - An...

The temp. measuring device shall be capable of accurately measuring the temp. of freshly mixed concrete to ____ throughout a range of ____. : 1 Degree F, 30-120 Degrees F A composite sample of concrete is required even if the only purpose for obtaining the sample is to determine the temp. T or F? : False C172/C172M covers sampling from five type of equipment which are___, ___, ___, ___, & ____? : revolving drum, stationary, paving, continuous, & open top The mold for making the slump...

The temp. measuring device shall be capable of accurately measuring the temp. of freshly mixed concrete to ____ throughout a range of ____. ☑: 1 Degree F, 30-120 Degrees F A composite sample of concrete is required even if the only purpose for obtaining the sample is to determine the temp. T or F? ☑: False C172/C172M covers sampling from five type of equipment which are___, ___, ___, ___, & ____? ☑: revolving drum, stationary, paving, continuous, & open top The mold for making the...

The temp. measuring device shall be capable of accurately measuring the temp. of freshly mixed concrete to ____ throughout a range of ____. - ANSWER 1 Degree F, 30-120 Degrees F A composite sample of concrete is required even if the only purpose for obtaining the sample is to determine the temp. T or F? - ANSWER False C172/C172M covers sampling from five type of equipment which are___, ___, ___, ___, & ____? - ANSWER revolving drum, stationary, paving, continuous, & open top The mold fo...

ACI Concrete Field Testing Technician- Grade I Exam 2023/2024 Questions and with Correct Answers. The sensor of the temperature measuring device shall be submerged a minimum of _____ in. [_____mm] into the freshly mixed concrete. - ANSWER 3 in. [75 mm] The temperature measuring device shall have a capacity of measuring temperature of freshly mixed concrete to +- _____ degrees F [+- _____ C] throughout a range of _____. - ANSWER 1 degree F [0.5 C], 30 degrees F to 120 F [0 C to 50 C] The te...

1.5 inches Answer The slump test is applicable to plastic concrete with a maximum size aggregate of ... wet sieved over a 1.5" sieve Answer When the concrete contains aggregate larger than allowed for the slump test, the large aggregate must be ... frustum of a cone Answer The mold for making the slump test is in the shape of ... 12 inches Answer The height of the slump mold is ... False Answer The interior surface of the slump mold is allowed to have minor irregularities. True or F...

ACI Concrete Field Testing Technician- Grade I Exam 2023/2024 Questions and with Correct Answers. The sensor of the temperature measuring device shall be submerged a minimum of _____ in. [_____mm] into the freshly mixed concrete. - ANSWER 3 in. [75 mm] The temperature measuring device shall have a capacity of measuring temperature of freshly mixed concrete to +- _____ degrees F [+- _____ C] throughout a range of _____. - ANSWER 1 degree F [0.5 C], 30 degrees F to 120 F [0 C to 50 C] The te...