Cslb Concrete C8 License Practice Test #2 Study Guide Questions And Correct Answers

For most of the work, concrete is proportioned with batching. If an error is reported in batching, it is related to __________________. {Ans: ALL OF THESE! -Cement -Fine aggregate -Coarse aggregate}Hope is the water content managed during the concrete placement? {Ans: BOTH OF THESE! -By ball penetration test -By slump test It depends on the workability of the concrete. If the penetration result is <= 3 inches, penetration test is applicable, if the result is more than 3", slump test is applicable}What is the reason for setting the minimum compressive strength as 2500 psi? {Ans: ALL OF THESE! -Lower volume of Portland cement -Higher volume of SCM -Minimum compressive strength is required}Which of the following are the factors that affect the pulse velocity measurement on concrete? {Ans: ALL OF THESE! Explanation: -Temperature on concrete -Presence of reinforcing steel -Smoothness of the surface}The concrete paving operations includes: {Ans: ALL OF THESE! -Preparation of sub grade -Specified equipment -Construction of joints}The property of concrete by which it can be mixed, transported and placed in position with ease is referred as ____________________. {Ans: Workability}