ACI Flatwork Questions With Complete Solutions

ACI FLATWORK QUESTIONS WITH CORRECT SOLUTIONS It is important that the ____________ __________ read and understand project specifications. - Correct Answersfinisher foreman If the crew can place and finish 100 yd3 of concrete per hour, the producer's delivery rate should be about _____ yd3 per hour. - Correct Answers100 Concrete is sold by the ton? - Correct AnswersFalse Delays in discharging concrete trucks can result in the concrete being hard to: - Correct Answerspump, place, and finish When there is room for two concrete trucks ready to discharge into a pump hopper, placement is faster because: - Correct Answersas one truck is finishing, the other is ready to unload the concrete Concrete from a ready mix truck must usually be completely discharged within _____ hours after water has been added at the plant. - Correct Answers1.5 You can tell when water has been added to the concrete truck by looking at the: - Correct Answersbatch ticket When concrete for a slab placement will be discharged from the truck chute, truck arrivals should usually be spaced at about: - Correct Answers15 minutes 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. - Correct AnswersTrue In deciding how much concrete to order for a floor placement, you should calculate the number of cubic yards needed to fill the forms, then order two to three cubic yards less so you don't waste concrete that is not needed. - Correct AnswersFalse The question, "What finisher or finishers can request addition of water to the concrete truck on site?" should be answered at the ______ _________. - Correct AnswersPre-construction meeting