1-48. Which  of  the  following  statements is generally true of wood posts? 1. They are placed directly below wood  girders 2. The width of the post should be equal to the girder it supports 3. They are always embedded in concrete 1-49. The crawl space for a structure should  have  what  minimum  distance between  the  ground  and  the  bottom of  the  girder? 1. 24 in. 2. 18 in. 3. 16 in. 4. 12 in. 1-50. In platform framing, a floor joist rests directly on which of the following   components? 1. Top plate only 2. Sill plate only 3. Either 1 or 2 above 4. Exterior  foundation 1-51. What  is  the  recommended  method  for connecting  header  and  floor  joists? 1. Face-nailing with 12d nails 2. Face-nailing  with  16d  nails 16-in. OC 3. Face nailing with 10d nails 16-in. OC 4. End nailing with 16d nails 1-52. What is the correct sequence for securing a subfloor and cross bridging  to  the  floor  joists? 1. Nail the subfloor, then the top and bottom of the bridging 2. Nail the top of bridging, then the subfloor, and finally the bottom of the bridging 3. Nail the top and bottom of the bridging,  then  the  subfloor 4. Nail the bottom of the bridging, then the subfloor, and finally the top of the bridging 1-53. Which  of  the  following  structural components serve to tie the entire wall  together? 1. Studs 2. Corner  posts 3. Top or bottom plates 4. Trimmers 1-54. Bottom  plate  layout  should  include marks for which of the following framing  members? 1. Floor joists only 2. Corner  posts  only 3. Header  joists  only 4. All of the above 1-55. Temporary  bracing  used  for  wall alignment  should  be  removed  at  what point  during  construction? 1. After wall alignment is completed 2. After  exterior  sheathing  is completed 3. Before the ceiling joists are placed 4. After  all  framing  and  sheathing are  completed 1-56. What is the main structural function  of  a  ceiling  frame? 1. Support  the  finished  ceiling 2. Support the top of nonbearing partitions  walls 3. Tie  the  exterior  walls  together 4. Support the weight of the rafters 1-57. Backing at the top of walls serves what purpose? 1. Tie the walls together 2. Provide  additional  nailing  area for joists 3. Keep the studs spaced properly 4. Provide  nailing  surface  for  the edge of finish ceiling materials 5