Concrete Practice Test #1 Questions with 100% Verified Corret Answers Lap splices shall not be used for bars larger than____? - Correct Answer #11 During transport of concrete test cylinders, the samples shall be.... - Correct Answer Cushioned to prevent damage from jarring For proper curing, concrete shall be maintained at a temperature above ____and in a moist condition for at least seven days, unless accelerated curing is used. - Correct Answer 50 degrees Tolerance for longitudinal location of bends and ends of reinforcement at discontinuous ends of beams shall be _____ - Correct Answer +/- 1 inch Reinforcing bars manufactured specifically for welding are governed by which recognized standard? - Correct Answer ASTM A706 What is the. Minimum size pin for a bend test performed on an A706 grade 60 #8 bar - Correct Answer 4d Unless noted otherwise or permitted by preconstruction testing, what is the largest size of rebar allowed in shotcrete? - Correct Answer #5 Before concrete placement, reinforcing bars shall be free of.... - Correct Answer Mud, oil, or other non- metallic coatings.The air content of air-entrained ready mix concrete, when sampled from a truck mixer at the point of discharge, shall be within a tolerance of +/-_______of the specified air content? - Correct Answer 1.5% Unless otherwise permitted by the building official and/or the engineer, placement tolerance shown in the building code requirements for concrete permits reinforcement in 8 in. Thick concrete walls with specified 2in. Minimum cover to have as little as _____of actual cover when placed. - Correct Answer 1 5/8 inches 1 / 2
Unless permitted by the building official and/or the engineer, water shall be removed from within footing forms before placing concrete unless a ______is used. - Correct Answer Tremie What is the allowable slump range when the plans specify a 4 1/2 in maximum slump? - Correct Answer
- to 4 1/2
- / 2
Beams, girder, haunches, drop panels and capitals shall be placed.... - Correct Answer Monolithically with the slab The minimum concrete cover for bundled bars in concrete members which are cast against and permanently exposed to earth shall not be less than.... - Correct Answer 3 inches In the United States, the standard mass of a bad of Portland cement is ____? - Correct Answer 94 lbs Anchorage of spiral reinforcement shall be provided by _____extra turns of spiral bar or wire at each end of the spiral unit. - Correct Answer 1 1/2 Beams, girders, or slabs supported by columns or walls shall not be cast or erected until concrete in the vertical support members.... - Correct Answer Has been placed and is no longer plastic For 24 hours prior to testing, beam specimens shall be stored in water saturated with ______to ensure uniform moisture condition. - Correct Answer Calcium hydroxide Which on of the following surface conditions or reinforcing bars is considered acceptable at the time of concrete placement? - Correct Answer Light coating of rust or mill scale Bars spliced by non-contact lap spliced in flexural me beers shall not be spaced transversely farther apart than the smaller of ____the required lap splice length and ______. - Correct Answer 1/5 and 6 inches Bars larger than #_____shall not be bundled in beams. - Correct Answer 11