Good floor-slab flatness and levelness is critical in warehouses to allow _____.

Good floor-slab flatness and levelness is critical in warehouses to allow _____.
 
  a. higher safe speeds for forklifts
  b. proper drainage
  c. greater stacking heights
  d. use of heavier equipment

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[Ques. 2] Common hand jointers have a length of _____.
 
  a. 18
  b. 12
  c. 6
  d. 4

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[Ques. 3] The concrete placement device called a tremie is also described as a _____.
 
  a. spout
  b. giraffe's neck
  c. drop chute
  d. elephant trunk

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[Ques. 4] Assume that a ceiling measures 42'-6  30'-6 and 2'  2' tiles are being used. The width of the border tiles on
  each side of the ceiling that runs parallel to the two 30'-6 walls must be _____.
 
  a. 15
  b. 20
  c. 25
  d. 30

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[Ques. 5] When installing the grid in an exposed grid ceiling system, the last component to be installed is the _____.
 
  a. wall angle
  b. main runners
  c. cross runners (tees)
  d. hanger inserts