4-22. In what order should the following items  be  installed? A. Acoustic  panels B. Cross tees C. Wall  angles D. Suspension  wires E. Main tees 1. A, B, C, D, E 2. B, E, C, A, D 3. C, D, E, B, A 4. D, E, B, C, A 4-23. Assume  a  new  acoustical  ceiling will be installed 14 inches lower than the old ceiling. The suspension wires should be cut with what minimum length? 1. 14 in. 2. 16 in. 3. 18 in. 4. 20 in. 4-24. In a suspension ceiling system, where on the main tee should the first  tie  wire  be  installed? 1. 2 ft from either end 2. 4 ft from either end 3. At the first cross-tee connection 4. At the center 4-25. When  installed,  which  of  the following  components  require  the use of splice plates? 1. Aluminum main tees only 2. Steel main tees only 3. Aluminum and steel main tees 4. Aluminum  cross  tees 4-26. When  installing  acoustical  panels, why should you work from several cartons at the same time? 1. All the panels may not be the same  direction 2. Every other panel in a carton has a different edge cut 3. The  color,  pattern,  or  texture may  vary  slightly 4. Not all panels can be cut or used as border panels 4-27. When  installing  12-inch-square ceiling tile in a 15-foot 8-inch-wide  room,  what  pattern should you use in terms of rows and size? 1. 15 full rows and two 4-in. tiles 2. 15 full rows and one 8-in. tile 3. 14 full rows and one 10-in. tile 4. 14 full rows and two 10-in. tiles 4-28. Insulating  materials  are  usually installed in which of the following locations? 1. Walls  and  ceilings  only 2. Ceilings and floors only 3. Floors and walls only 4. All of the above 4-29. Into which of the following categories  should  insulation  be grouped? 1. Blanket and loose fill only 2. Loose fill and rigid only 3. Rigid and blanket only 4. All of the above 4-30. The  primary  function  of  the  asphalt sheet  material  attached  to blanket-type  insulation  is  to resist 1. water  vapor 2. heat 3. cold 4. insects 4-31. Which of the following methods is normally  used  for  installing loose-fill   insulation? 1. Pouring  only 2. Blowing only 3. Hand  packing  only 4. Each of the above 21