1 Exam Prep Prov Module: Vertical Formwork Questions and Answers

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1 1 Exam Prep Prov Module: Vertical Formwork Questions and Answers 1. The amount of formwork needed for a job can be influenced by. A. The size of the forming crew B. The project budget C. Materials used for the forms D. The curing time needed for the concrete 2. Formwork must support the weight of the concrete and the. A. Pressure from winds blowing across the job site B. Weight of people working on the forms C. Weight of the forms themselves D. Weight of the steel reinforcement 3. Forms built on the job site from lumber and plywood are fastened with. A. 16d cement-coated nails B. Lag screws C. Duplex nails D. Bolts and nuts 4. Accessories used to align the forms and hold them in place are the. A. Stakes and braces B. Spreaders C. Strongbacks D. Form ties 5. Panel form systems can be grouped into. A. Three types B. Four types C. Five types D. Six types 1 Exam Prep Prov Module : Vertical Formwork 1

2 6. The usual panel size for all-steel forms is. A. 2' x 2' B. 2' x 4' C. 3' x 6' D. 4' x 8' 7. If properly cleaned and handled, some manufactured concrete forms may be reused. A. Twice B times C times D. Hundreds of times 8. An assembled gang form may have a width of as much as. A. 50 feet B. 45 feet C. 30 feet D. 25 feet 9. A crane usually is needed to set gang forms, which can weigh in excess of. A. 350 pounds B. 500 pounds C. 875 pounds D. 1,200 pounds 10. For a curved form, a sheet of plywood can be bent after using a saw to cut shallow parallel slots called. A. Channels B. Rabbets C. Relievers D. Kerfs 11. When a window buck is inserted in a form,, the bottom spreader must include a. A. Lifting handle B. Stripping hook C. Vibrator hole D. Weep channel 1 Exam Prep Prov Module : Vertical Formwork 2

3 12. When formwork components are unloaded at the job site, they must be. A. Thoroughly cleaned B. Checked against the order to be sure none are missing C. Stacked in the order they will be used D. Carefully measured to verify the ordered sizes 13. When setting a gang form, rebar pins placed in the foundation are used to. A. Anchor the form B. Aid in stripping after the concrete has cured C. Properly position the form D. Align the reinforcement 14. To keep concrete from escaping, the open ends of a form are closed with. A. Bulkheads B. Form seals C. End panels D. Barriers 15. After forms are stripped, concrete finishers fill in the. A. Stress cracks B. Anchor voids C. Cavities D. Tie holes 16. Fiber forms are used for. A. Walls B. Round columns C. Footings D. Elevator pits 17. Round and flat steel form sections can be combined when building a type of structure known as a. A. Half-round pier B. Bullhead pilaster C. Bull-nose pier D. Combination column 1 Exam Prep Prov Module : Vertical Formwork 3

4 18. Usually, only forms for square and rectangular columns are. A. Reused B. Job-built C. Rented or leased D. Made from lumber and plywood 19. Plastic concrete exerts the greatest pressure at the -. A. Bottom of the forms B. Ends of the forms C. Top of the forms D. Center of the forms 20. The column clamp shown in Review Question Figure 1 is a. A. Single-bar clamp B. Scissors clamp C. Hinged double-bar clamp D. Light-duty clamp 21. Slip forms are raised at a rate measured in. A. Inches per minute B. Inches per hour C. Feet per hour D. Feet per day 22. Structures in tall buildings used for elevator shafts and stairwells are called. A. Backbones B. Raceways C. Shaft cores D. Utilities shafts 1 Exam Prep Prov Module : Vertical Formwork 4

5 23. As concrete is placed in the slip form, the entire form unit is steadily raised by. A. Hoisting gear B. A yoke-and-jack assembly C. Hydraulic rams D. A rack-and-pinion system 24. Plywood used to form panels in the slip form should be presoaked in water to prevent. A. Concrete sticking to the form B. Splitting C. Surface blemishes in the concrete D. Swelling 25. The forms used in slip-form construction are aligned and braced on each side by two or more rows of. A. Brace beams B. Walers C. Strongbacks D. Girders 26. The trailing platform used by concrete finishers is attached to the bottom of a climbing form after the. A. First lift B. Second lift C. Third lift D. Fourth lift 27. Building codes specify a maximum rise between floors or stair landings of. A. 10'-6" B. 12' C. 13'-6" D. 15' 28. The first step in constructing formwork for a concrete stairway is to. A. Establish the landing elevation(s) B. Erect the outside forms C. Determine the rise and run D. Determine riser height to tread depth 1 Exam Prep Prov Module : Vertical Formwork 5

6 29. To allow access for finishing, riser forms should be stripped. A. In four hours or less B. As soon as the concrete starts to set C. After 24 hours D. When the concrete is fully cured 30. When using lumber to build a smooth-face form, it is necessary to use. A. Edge-matched boards B. Seasoned lumber C. Dressed lumber D. Wide boards 1. D B C A C B D A B D C B C A D B C D D Figure B C B D B C B A Answer Key 1 Exam Prep Prov Module : Vertical Formwork 6