ILLINOIS ROOFING EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS) ALREADY
GRADED A+
How many eaves does a gable roof have ? Ans✓✓✓2
How many rakes does a gable roof have ? Ans✓✓✓4
Does a hip roof have any rakes ? Ans✓✓✓No
How many hips does a hipped roof have ? Ans✓✓✓4
How many eves are on a hipped roof? Ans✓✓✓4
Eave Ans✓✓✓A projecting edge of a roof that extends beyond the
supporting wall.
Rake Ans✓✓✓The sloped edge fo a gable roof
Hip Ans✓✓✓The inclined external angle of formed by the two sloping
sides of a hip roof.
Ridge Ans✓✓✓The highest point on the roof represented by horizontal
line where two roof areas intersect.
,Slope Ans✓✓✓The incline angle of a roof surface expressed as a ratio
of the rise of the roof to the run of the roof, expressed in inches.
A 45 degree angle is a slope of Ans✓✓✓12:12
What makes a roof assembly ? Ans✓✓✓A roof deck plus the roof
system.
Which of these is NOT among the purposes of a roof deck?
Ans✓✓✓Provide waterproofing and moisture control
Which of the following is a non stationary load that a roof deck must be
able to support? Ans✓✓✓An installers mobile equipment up on the
roof.
What is the purpose of light weight insulated concrete? Ans✓✓✓To
form or fill or provide insulation.
Which type of concrete is designed to hold weight? Ans✓✓✓Structural
concrete.
Which type of decking withholds most moisture? Ans✓✓✓OSB
, Why does the NRCA recommend replacing composite roof deck made
of laminated insulation & OSB? Ans✓✓✓Their tendency to hold
moisture can lead to dimensional changes and fastener back out.
When you are installing a wood deck made of boards,planks,plywood,or
OSB, which of the following is the most accurate statement ?
Ans✓✓✓The thickness of the wood material is based on the design
loads of the building.
Which statement most likely accurately describes wood plank and wood
panels decks? Ans✓✓✓The proper thickness of wood material is
determined by the design of the loads.
Which statement most accurately describes the best roofing systems?
Ans✓✓✓A system that is matched to building specifications and
characteristics.
How should the reinforcement component of a built-up roof system
installed? Ans✓✓✓Embedded between layers of waterproofing
material.
While heating up the bitumen material in a kettle on the jobsite, which
of the following should you do? Ans✓✓✓Circulate the bitumen material
on a regular basis while the heating is going on.
DETAILED ANSWERS (VERIFIED ANSWERS) ALREADY
GRADED A+
How many eaves does a gable roof have ? Ans✓✓✓2
How many rakes does a gable roof have ? Ans✓✓✓4
Does a hip roof have any rakes ? Ans✓✓✓No
How many hips does a hipped roof have ? Ans✓✓✓4
How many eves are on a hipped roof? Ans✓✓✓4
Eave Ans✓✓✓A projecting edge of a roof that extends beyond the
supporting wall.
Rake Ans✓✓✓The sloped edge fo a gable roof
Hip Ans✓✓✓The inclined external angle of formed by the two sloping
sides of a hip roof.
Ridge Ans✓✓✓The highest point on the roof represented by horizontal
line where two roof areas intersect.
,Slope Ans✓✓✓The incline angle of a roof surface expressed as a ratio
of the rise of the roof to the run of the roof, expressed in inches.
A 45 degree angle is a slope of Ans✓✓✓12:12
What makes a roof assembly ? Ans✓✓✓A roof deck plus the roof
system.
Which of these is NOT among the purposes of a roof deck?
Ans✓✓✓Provide waterproofing and moisture control
Which of the following is a non stationary load that a roof deck must be
able to support? Ans✓✓✓An installers mobile equipment up on the
roof.
What is the purpose of light weight insulated concrete? Ans✓✓✓To
form or fill or provide insulation.
Which type of concrete is designed to hold weight? Ans✓✓✓Structural
concrete.
Which type of decking withholds most moisture? Ans✓✓✓OSB
, Why does the NRCA recommend replacing composite roof deck made
of laminated insulation & OSB? Ans✓✓✓Their tendency to hold
moisture can lead to dimensional changes and fastener back out.
When you are installing a wood deck made of boards,planks,plywood,or
OSB, which of the following is the most accurate statement ?
Ans✓✓✓The thickness of the wood material is based on the design
loads of the building.
Which statement most likely accurately describes wood plank and wood
panels decks? Ans✓✓✓The proper thickness of wood material is
determined by the design of the loads.
Which statement most accurately describes the best roofing systems?
Ans✓✓✓A system that is matched to building specifications and
characteristics.
How should the reinforcement component of a built-up roof system
installed? Ans✓✓✓Embedded between layers of waterproofing
material.
While heating up the bitumen material in a kettle on the jobsite, which
of the following should you do? Ans✓✓✓Circulate the bitumen material
on a regular basis while the heating is going on.
