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AlfredDieselGuy AlfredDieselGuy
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6 years ago
Long pans or dome pans are used to form voids on the underside of slabs in _____.
 
  a. pretensioned slab floor
  b. precast concrete floor systems
  c. suspended slab systems
  d. concrete joist systems


[Ques. 2] Improperly stored ceiling tiles can expand or warp, causing a poor fit, as a result of _____.
 
  a. exposure to temperatures below 10F
  b. boxes being stood on edge
  c. exposure to temperatures above 100F
  d. excessive humidity


[Ques. 3] An exposed grid ceiling system uses the _____ as the primary support members of the grid system.
 
  a. main runners
  b. 4' cross tees
  c. wall angle
  d. 2' cross tees


[Ques. 4] In integrated ceiling systems, you would normally find _____.
 
  a. 30  60 tiles only
  b. 60  60 tiles only
  c. both 30  60 and 60  60 tiles
  d. 90  90 tiles


[Ques. 5] The average sound level is 70 dBA, and the threshold of pain is reached at _____ dBA.
 
  a. 80 dBA
  b. 100 dBA
  c. 130 dBA
  d. 150 dBA
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oksanamadoksanamad
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6 years ago
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#2
6 years ago
tremendous help
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