1 Exam Prep Prov Module: Specialized Materials and Techniques Questions and Answers

Transcription

1 1 Exam Prep Prov Module: Specialized Materials and Techniques Questions and Answers 1. The properties of mortar can be altered to suit some weather conditions by using. A. Less sand B. Less mortar cement C. More time to set the masonry units D. Certain admixtures 2. Planning for all-weather construction requires accurate. A. Weather history B. Weather forecasting C. Barometer readings D. Materials specifications 3. The primary concern in hot-weather masonry construction is to avoid. A. The sunlight B. Wind and dust C. Evaporation of water D. Hot surfaces 4. The primary concern during cold-weather masonry is to avoid. A. Rapid water absorption B. Shaded conditions C. Freezing D. Rapid water evaporation 5. To speed up the rate of mortar strength development in cold weather, a Portland cement may be allowed by the job specifications. A. Type I B. Type II C. Type III D. Type IV 6. In cold climates, air-entraining agents are sometimes added to mortar to. A. Prevent freezing B. Increase workability C. Prevent corrosion D. Allow the addition of color pigments 1 Exam Prep Prov Module : Specialized Materials and Techniques 1

2 7. Federal regulations require heated enclosures for all cold-weather masonry construction. A. True B. False 8. The main feature of surface-bonding construction is that. A. The mortar ingredients are easy to mix B. Dimensions always follow the 4-inch modular rule C. No reinforcement is required D. The masonry units can be dry laid 9. Surface coatings for masonry are broadly classified as. A. Wet and dry B. Transparent and waterproof C. Decorative and clear D. Permeable and impermeable 10. Water-thinned coatings can be applied to a masonry surface when the ambient temperature is between. A. 32 F and 80 F B. 36 F and 90 F C. 50 F and 95 F D. 70 F and 100 F 11. Which of the following types of stone has the highest strength? A. Marble B. Granite C. Slate D. Limestone 12. One problem with manufactured stone is its high rate of flame spread. A. True B. False 13. Stonework that is built of irregular stone of different sizes and shapes is called. A. Ashlar B. Coursed C. Formed D. Rubble 1 Exam Prep Prov Module : Specialized Materials and Techniques 2

3 14. Stone-is usually cut at the job site using a. A. Power saw B. Pike and auger C. Drill and expander D. Hammer and chisel 15. A should only be used on soft stone. A. Bush hammer B. Plugging chisel C. Toothed chisel D. Face hammer 16. One of the primary uses of acid brick is to. a. provide a lining that protects a structure from chemical attack b. line high-temperature kilns c. provide a surface for acid etching d. create a very smooth surface 17. Because acid brick is not waterproof, some type of must be used to protect the substrate of the structure. A. Sealer B. Membrane C. Base D. Paint 18. The basic size of a refractory brick is inches. A. 9 x 4-1/2 x 2 1/2 B. 8 x 4 x 2 C. 8 ½ x 4-3/8 x 2-1/2 D. 9-1/2 x 4-1/8 x 2-1/2 19. Refractory brick are usually laid using joints that are. A. At least 3/8 inches wide B. As thin as possible C. Approximately l/2 inch wide D. 1/5 the thickness of the brick 20. In using the kiln jack method to reline a rotary kiln, you must. A. Remove the kiln and place it in a vertical position B. Keep the kiln stationary and build an arch support C. Rotate the kiln D. Start the relining process in the center of the kiln 1 Exam Prep Prov Module : Specialized Materials and Techniques 3

4 21. One of the most frequently used shapes of glazed structural tile is the. A. Soldier B. Sailor C. Stretcher D. Builnose 22. Standard nominal sizes for square glass block measure inches on a side. A. 3,4, and 5 B. 2,4, and 6 C. 4,6, and 8 D. 6,8, and The size of the standard mortar joint used with glass block is inch. A. 3/16 B. ¼ C. 3/8 D. ½ 24. With pier and panel construction, piers act as and must be designed to resist all lateral loads transferred from the panels. A. Anchors B. Pivots C. Cantilevers D. Hinges 25. To function properly, cantilever walks must be. A. Set on piers B. Supported on continuous footing C. Fitted with horizontal joints D. Braced with pilasters 1 Exam Prep Prov Module : Specialized Materials and Techniques 4

5 Answer Key 1. D B C C A B A D C C B B D D A A B A B C D D B C B Exam Prep Prov Module : Specialized Materials and Techniques 5