Slump Study guides, Class notes & Summaries

ACI Concrete Field Testing Technician- Grade I Questions and Correct Answers, With Complete Solution 2024/2025. The sensor of the temperature measuring device shall be submerged a minimum of _____ in. [_____mm] into the freshly mixed concrete. 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 _____. 1 degree F [0.5 C], 30 degrees F to 120 F [0 C to 50 C] The tempe...

ACI- Concrete Field-Testing Technician - Grade 1 Exam Questions and Answers 100% Pass Q1. Start molding specimens for strength tests within 30 minutes after fabricating the composite sample. A. True B. False - Answer- B. False ASTM C172 -Para (4.1.2) - Start molding. specimens for strength tests within 15 min after fabricating the composite sample. Q2. The maximum allowable time between obtaining the first and last portions of the composite sample may not exceed 5 minutes. A. True B...

ACI Certification ExamASTM C172 covers sampling from stationary, paving and truck mixers, and from agitating and non-agitating equipment used to transport central-mixed concrete. - correct answer True When the concrete contains large aggregate, the testing technician should wet-sieve the sample before making unit weight tests for use in yield computations. - correct answer False Samples should be taken before 10% or after 90% of the batch has been discharged. - correct answer False Samp...

The sensor of the temperature measuring device shall be submerged a minimum of _____ in. [_____mm] into the freshly mixed concrete. - Correct 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 _____. - 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 qu...

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...

2. T/F: When the concrete contains large aggregate, the testing technician should wet-sieve the sample before making unit weight tests for use in yield computations. Answer False 4. T/F: Samples smaller than 28L (1 .) are allowed on routine air content, temperature, and slump tests. Answer True 7. How do you regulate the rate of discharge of the batch from the revolving truck drum mixer or agitator? Answer By the rate of revolution of the drum 10. While the technician is checking the sl...

The sensor of the temperature measureing device shall be submerged a minimum of ____ in - Answer-3 (75mm) The temperature measureing device shall have a capacity of measuring temperature of freshly mixed conrcrete to +-_____ degrees F throught a range of _____ - Answer-1(.5 degrees C), 30-120 (0-50 degrees C) The temperature measuring device shall be calibrated____, or whenever there is a question of _____ - Answer-annually, accuracy The temp of concrete may be measured in a wheelbarrow -...

Is the following statement true or false? The method of determining air content of concrete containing lightweight aggregate is the pressure method. A. True B. False - Answer- B. False Is the following statement true or false? When making a test cylinder from concrete being used in construction, the field technician must also measure the slump of the concrete. A. True B. False - Answer- A. True While the technician is checking the slump of the concrete, there is a decided fal...

For concrete with aggregates less than 3 inches, the thermometer must remain in the fresh concrete sample a minimum of 5 minutes or until the temperature reading stabilizes. (T or F) - Answer-False (2-5 minutes) The temperature measuring device must be accurate to within 0.1 degree. (T or F) - AnswerThe temperature measuring device shall have a capacity of measuring temperature of freshly mixed concrete throughout a range of _____ to _____ degree F ( ______ to ______ degree C) - Answer-30 to...

NFPT Exam (New 2023/ 2024 Update) | Graded A Questions and Verified Answers| 100% Correct QUESTION If your client's knees cave in during a squat while bending, what might this be an indicator of? Answer: Tight adductors and weak glutes QUESTION A postural discrepancy, where your clients shoulders slump forward, may be an indicator of: Answer: Kyphosis QUESTION Match the prime mover with its antagonists/from the drop down: 1) Pectorals 2) Quadricep...