Cslb Concrete C8 License Practice Test #2 81 Correctly Answered Questions Latest Update

The leveling operation that removes lumps and hollows and provides a true and uniform concrete surface is called ______________________. {Ans: Screeding}The concrete work is done in freezing zones, it gets cured by ______________. {Ans: Steam Explanation: It is done by heating concrete by steam or using alternating current, so that water content in the concrete is not increased.}Which of the following tools will be used to finish concrete that requires a dense and smooth finish? {Ans: Steel trowel}Which of the following is/are special types of cement? {Ans: ALL OF THESE! -High Alumina Cement -Expanding cement -Acid-resistance cement}The property of concrete by which it can be mixed, transported and placed in position with ease is referred as ____________________. {Ans: Workability}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}