Concrete test 2024 solved Study guides, Class notes & Summaries

Concrete Test 2024-Solved 1. According to ASTM C1602, concrete tested according to ASTM C31 and C39 using a questionable water supply should produce a compressive strength of at least _____% compared to the same mixture made with potable water. - Answer ️️ -x 2. Seawater should not be used in concrete that contains any ____________. - Answer ️️ -x 3. Reinforcing bars are marked with a bar size, which is approximately the nominal diameter in _________ of an inch, or as a directly co...

ACI Test 100% Solved 2024 The total time allowed between obtaining the first and final portions of a composite sample is - Answer-15 minutes When it is necessary to wet sieve the concrete sample, wet sieving should be performed after the individual samples are remixed into a composite sample (T or F) - Answer-F Tests for slump, temperature, and air content must begin within ______ minutes after obtaining the composite sample - Answer-5 minutes Begin molding test specimens within ______ m...

NASCLA Test 2 Question and answers correctly solved 2023/2024 Slump Test- Used to measure the consistancy of concrete - correct answer Quality Concrete, chap 2 Air Entrainment concrete contains many microscopic bubbles - correct answer Quality Concrete, chapt 2 Seven day compression strength - correct answer Quality Concrete, chapt 2 Types of Portland Cement - correct answer Quality Concrete, chapt 2 fly ash - correct answer Quality Concrete, chapt 2

ACI Concrete Field-Testing Technician- Grade I Questions and Answers Fully solved 2024 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 temperature measurin...

Fire Investigator - master for TCFP test 100% Solved 2024 Is NFPA 921 a guide or a standard? - Answer-It is the Guide for Fire and Explosion Investigations What are the six steps of the scientific method? - Answer-Recognize the need Define the problem Collect the data Analyze the data Develop a hypothesis Test the hypothesis What step of the scientific method is inductive reasoning? - Answer-Analyze the data What step of the scientific method is deductive reasoning? - Answer-Test the ...

ACI Test 100% Correctly Solved 2024 The total time allowed between obtaining the first and final portions of a composite sample is - Answer- 15 minutes When it is necessary to wet sieve the concrete sample, wet sieving should be performed after the individual samples are remixed into a composite sample (T or F) - Answer- F Tests for slump, temperature, and air content must begin within ______ minutes after obtaining the composite sample - Answer- 5 minutes Begin molding test specimens wi...

EPA Lead Inspector Exam Questions With Answers 2024/2025 (100% Correct) Permanent abatement options include... - ANSWER-Paint removal, component removal, enclosure, encapsulation What agencies focus on childhood lead poisoning prevention? - ANSWER-CDPH, HUD, EPA What is the CAL OSHA Standard for lead? - ANSWER-Title 8 CCR 1532.1 What is the Guidelines for the Evaluation and Control of Lead Based Paint Hazards in Housing? - ANSWER-1995 HUD Guidelines When was the revision to Chapter 7 of t...

NACE CIP2 Question and answers correctly solved 2024 Describe air turns - correct answer eliminates air stratification. 1-2 Turns is sufficient Below what RH does corrosion virtually cease? - correct answer 40% 2 ways to reduce RH of boundary layer- - correct answer increase surface temp & dehumidification 2 types of dehumidification equipment: - correct answer refrigerant & desiccant Benefits of dehumidification - correct answer dries air, lowers dew point, holds sur...

ACI Field Grade 1 Practice Test 100% Solved 2024 The temperature measuring device shall be cable of accurately measuring the temperature of freshly mixed concrete to 1°F throught a range of____________________________. - Answer- 30 - 120°F It is acceptable to measure the temperature of freshly mixed concrete in the forms provided? - Answer- The sensor of the temperature measuring device has at least 3 in. of cover in all directions. Composite samples are required even if the only purpos...