ACI Concrete Strength Exam Study Guide (Complete And Verified Study material) (14pages) LEARNEXAMS

These procedures for capping enable concrete cylinders and cores to meet the standard practice's requirements for _____ and _____. Planeness; perpendicularity Equipment needed for the capping process includes capping ____ ____ devices and _____ pots. Plates; alignment; melting Plates for neat cement and high-strength gypsum plaster caps should be made of ____, _____, or _____. Metal; glass; granite Sulfur mortar cap plates should be formed against _____ or _____ plates. Metal; stone True or false? The purpose of the guide bar or bull's eye level is to ensure that caps remain perpendicular to the axis of the cylinder within 0.5 degrees. True To avoid accidents during reheating of cooled sulfur, use melting pots that have _____. peripheral heating The technician should use a stiff layer of _____ to cap fresh concrete cylinders. neat cement paste Hardened concrete cylinders should be capped with ________, ______, or _______. High-strength gypsum paste; neat cement past; sulfur mortar True or false? Plasters of paris and mixtures of plaster of paris and portland are examples of suitable high-strength plasters. False Sulfar mortars and high-strength gypsum cement cubes must demonstrate a minimum compressive strength of _____ or _____, whichever is greater. 35 Mpa [5000 psi]; cylinder strength The cement paste should be applied to the freshly molded cylinder from _____ hours