ACI Concrete/Masonry Exam Chapters 1-10 Questions with 100% Correct Answers |Latest Update 2024

ACI Concrete/Masonry Exam Chapters 1-10 Questions with 100% Correct Answers |Latest Update 2024 Concrete is sold by the ton T/F - Answer ️️ -False ( by Volume) Delays in discharging concrete trucks can result in the concrete being hard to: - Answer ️️ - Pump, place, and finish When there is room for two concrete trucks ready to discharge into a pump hopper, placement is faster because: - Answer ️️ -as one truck is finishing, the other is ready to unload concrete You can tell when water was added to the truck by looking at the: - Answer ️️ -Batch Ticket When concrete for a slab placement will be discharged from the truck chute, truck arrivals should usually be spaced about: - Answer ️️ -15 mins When finishers get behind because the concrete is setting faster than expected and the placing crew is also shorthanded, one solution is slowing the concrete delivery rate to match worker output. T/F - Answer ️️ -True In deciding how much concrete to order for a floor placement, you should calculate the number of cubic yards (cubic meters) needed to fill the forms, then order two to three cubic yards (cubic meters) less so you don't waste concrete that is not needed. T/F - Answer ️️ -False Concrete made with portland cement will set and harden while under water? T/F - Answer ️️ - False If a concrete slab on ground won't be exposed to sulfates, the cement used is most likely to be: - Answer ️️ -Type I Most concrete used in slabs on ground has course aggregate with a maximum size of: - Answer ️️ -3/4 to 1 1/2in Sand for concrete used in slabs on ground is easier to finish when it has close to the largest allowable amount of material passing the No. 50 and No. 100 sieves. T/F - Answer ️️ -True Increasing the amount of sand in a concrete usually decreases the amount of water needed to make the concrete workable. T/F - Answer ️️ -False