2 layers 25 strokes - Study guides, Class notes & Summaries

ACI Concrete- Section 4 Questions and Answers Graded A+ The diameter of the tamping rod used in this test method is ________. 16 mm (5/8") + or - 2 mm (1/16") What is the required shape of the tamping end of the rod Rounded to Hemispherical tip What is the required minimum frequency of the vibrator used in this test method? 9000 vibrations per minute (150Hz) The outside diameter or side dimension of the vibrating element must be at least ______ but not greater than _______. 1...

ACI Certification Practice Exam Questions and Answers 100% Pass For 4x8 cylinders, how many layers and rod strokes to properly consolidate the concrete? - Answer- 2 layers, 25 strokes For 6x12 cylinders, how many layers and rod strokes to properly consolidate the concrete? - Answer- 3 layers, 25 rod strokes After rodding each layer, the sides of the molds should be tapped 10-15 times with a tapping rod? T/F - Answer- False It should be done with a rubber mallet When rodding the second a...

Section 1: Temperature of Freshly Mixed Hydraulic-Cement Concrete - C1064 The end of the temperature sensing portion of the temperature measuring device is submerged a minimum of _____ into the freshly mixed concrete. - 3 inches The temperature measuring device shall be capable of accurately measuring temperature of freshly mixed concrete to _____, throughout a range of _____. - +/- 1 °F 30 °F to 120 °F The temperature measuring device shall be verified _____, or whenever there is a que...

1. Which of the following tissues is always avascular? A) connective tissue D) epithelial tissue B) muscle tissue E) nervous tissue C) skeletal tissue Ans:  D Difficulty:  Medium 2. A scientist who examines tissue changes that might indicate disease is called a A) histologist. D) epidemologist B) radiologist. E) endocrinologist. C) pathologist. Ans:  C Difficulty:  Easy 3. The tissue lining body cavities is A) epithelial tissue. D) m...

ACI Certification Practice Exam with 100% correct Answers | Verified & Updated 2024 For 4x8 cylinders, how many layers and rod strokes to properly consolidate the concrete? - Answer ️️ -2 layers, 25 strokes For 6x12 cylinders, how many layers and rod strokes to properly consolidate the concrete? - Answer ️️ -3 layers, 25 rod strokes After rodding each layer, the sides of the molds should be tapped 10-15 times with a tapping rod? T/F - Answer ️️ -False It should be done with a...

ACI Certification Exam Questions With Verified Answers Latest UPDATED 2024/2025 | Scored A+. ASTM C1064 Answer - Standard Test Method For Temperature of Freshly Mixed Hydraulic-Cement Concrete The sensor of the temperature measuring device shall be submerged a minimum of ______ inches into the freshly mixed concrete. Answer - 3" The temperature measuring device shall have a capacity of measuring temperature of freshly mixed concrete to ± ______ °F throughout a range of ____________. Answ...

ACI Certification Exam Questions With Verified Answers, Latest 2024/2025 | Scored A+. The sensor of the temperature measuring device shall be submerged a minimum of ______ inches into the freshly mixed concrete. Answer - 3" The temperature measuring device shall have a capacity of measuring temperature of freshly mixed concrete to ± ______ °F throughout a range of ____________. Answer - 1 degree, 30 degrees to 120 degrees The temperature measuring device shall be calibrated ______ , or w...

ACI Certification Practice Exam | Questions and Correct Answers | Latest Update 2024/2025 For 4x8 cylinders, how many layers and rod strokes to properly consolidate the concrete? - Answer -2 layers, 25 strokes For 6x12 cylinders, how many layers and rod strokes to properly consolidate the concrete? - Answer -3 layers, 25 rod strokes After rodding each layer, the sides of the molds should be tapped 10-15 times with a tapping rod? T/F - Answer -False It should be done with a rubber mallet...

ACI Certification Practice Exam | Questions and Correct Answers | Latest Update 2024/2025 For 4x8 cylinders, how many layers and rod strokes to properly consolidate the concrete? - Answer -2 layers, 25 strokes For 6x12 cylinders, how many layers and rod strokes to properly consolidate the concrete? - Answer -3 layers, 25 rod strokes After rodding each layer, the sides of the molds should be tapped 10-15 times with a tapping rod? T/F - Answer -False It should be done with a rubber mallet...

ACI CONCRETE FIELD TESTING TECHNICIAN EXAM QUESTIONS AND ANSWERS LATEST UPDATED 2024/2025 | RATED A+. The temperature measuring device shall have a capacity of measuring temperature of freshly mixed concrete to +- _____ degrees F [+- _____ C] throughout a range of _____. - Correct Answer - 1 degree F [0.5 C], 30 degrees F to 120 F [0 C to 50 C] The temperature measuring device shall be calibrated _____, or whenever there is a question of _____. - Correct Answer - Annually, accuracy The temp...