Two common types of metal roofing systems are the lap-seam roof and the _____.

Two common types of metal roofing systems are the lap-seam roof and the _____.
 
  a. seamless roof
  b. standing-seam roof
  c. laminated sheet roof
  d. interlocked seam roof

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[Ques. 2] Before beginning a roofing project, identify potential hazards by preparing a _____.
 
  a. job-site survey
  b. safety review
  c. job hazard analysis
  d. hazard inventory

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[Ques. 3] On dead-flat or very low-pitched roofs, coal tar may be used in place of bitumen because it _____.
 
  a. has superior resistance to standing water
  b. is less costly than asphalt
  c. bonds with the felt very quickly
  d. melts at a higher temperature than asphalt

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[Ques. 4] A water-resistant barrier must be installed under standing-seam metal roofs because such roofs are subject
  to _____.
 
  a. leakage
  b. condensation
  c. seam failure
  d. evaporation

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[Ques. 5] The minimum end bearing of an open-web joist on a steel-bearing plate with no embedded anchors on a
  concrete or masonry wall is _____.
 
  a. 2-1/2 inches
  b. 4 inches
  c. 5 inches
  d. 8 inches