CSLB Concrete C8 License Practice Test #3 Questions And 100% Verified Solutions

CSLB Concrete C8 License Practice Test #3 Questions And 100% Verified Solutions The line that assures the desirable goal of keeping the travelled way free of flooding is__________. - ANSWER Grade line Which of the following design parameters are to be considered while designing the drainage for highway? - ANSWER -Cross slope -Longitudinal slope -Height of the curb & dike Apart from the cost, which of the following shall be considered while planning for concrete formwork? - ANSWER -Crew efficiency -Speed of pouring -Concreting equipment used Explanation: If these are not taken care while planning the formwork, unexpected accidents may occur, like formwork collapse. According to the sealer classification, the semi-gloss sealer contain_________ percent of acrylic solids. - ANSWER 20-25 Lapping of all the reinforcement bars for any of the concrete elements/structure shall be_____________. - ANSWER Staggered Explanation: It is always recommended to have staggered lapping/splicing. Which of the following material most commonly used for sheathing? - ANSWER Plywood Explanation: All the above are used as sheathing material, but most commonly used is plywood. Which of the following type of sealer will provide more color enhancement to the concrete surface? - ANSWER Solvent based Explanation: Solvent based acrylic film forming sealers will provide more color enhancement than water based. Cure 'n seal is a type of solvent based sealer. Which of the following method is used for stripping the deteriorated concrete surface without disturbing the surrounding paved concrete? - ANSWER Lift-Out method Explanation: Lift pins are installed in the distressed slabs, which are vertically lifted by the use of chains and a front-end loader or other suitable equipment. The jack shores which are widely known as jacks, are designed to carry loads between the ranges of ___________. - ANSWER lbs Caltrans recommends in hot weather (over 100 ºF), to use pigment curing compound for curing of the repaired. This can be applied at rate of ___________ sqft/gallons - ANSWER 150 Though the formwork used for the concreting is of good quality, premature removal/ stripping of formwork results in___________. - ANSWER -Sagging -Cracking -Collapse Concrete surface repair materials are selected based on : - ANSWER -Curing time -Climatic conditions -Equipment available While planning for cost effective formwork for concrete works, which of the following is/are the KEY consideration(s)? - ANSWER -Designing for maximum reuse -Economical form assembly -Efficient setting & stripping As per the standards, the size of the reinforcement steel for the slab concrete shall be not more than __________ inch - ANSWER ½ Explanation: This can be up to one inch for flat slabs. The round steel forms which are used for bridge piers have diameter of up to ________ feet. - ANSWER 10 feet The recommended quantity of rapid hardening cement for full depth repair is ___________ lbs per cubic yard. - ANSWER 652 The specified concrete cover to the steel bars for the columns is ________ inches. - ANSWER 1 ½ What is the KEY advantage of using the concrete drainage system? - ANSWER Will not get corroded with drainage water Explanation: Concrete does not get corroded with the water