with Correct Answers
Which of these generally is NOT part of the composition of asphalt shingles used in
residential roofing? - Answer- Thermoplastic layers
Which statement most accurately describes asphalt shingles used in residential roofing?
- Answer- The most common dimension for strip shingles is 12in by 36 in.
Which of these is the most important characteristic for use of mineral granules on
asphalt shingles? - Answer- To protect the coating grade asphalt surface.
Which of these is a common risk from use of a nail base insulation system in compact
steep-slope roof assemblies? - Answer- Condensation or moisture accumulation.
What does NRCA recommend when applying ice dam protection membrane on roof
with a slope of less than 4:12? - Answer- A minimum of 36inches upslope from the
inside the wall line of the building.
What does the NRCA recommend when installing an asphalt shingle roof? - Answer- A
minimum of six nails per shingle should be used for slopes 18:12 or greater.
Which of these most appropriate when installing valleys in areas prone to regular
freeze-thaw cycles and accumulations of ice and snow? - Answer- Enhanced open-cut
valleys
Which of these is the most appropriate when installing chimney flashing in areas prone
to regular freeze-thaw cycles and accumulations of ice and snow? - Answer- Apron
flashings over an ice dam protection membrane.
Which of these is required for a roofing contractor to property handle asbestos
containing materials? - Answer- Provide worker and supervisor training to guide
employees when ACM are found on the jobsite.
Which of these is likely to result in the most lost work days due to employees illness or
injury ? - Answer- Back injury.
Which statement most accurately describes proper employee training program about
blood borne pathogens? - Answer- In a language familiar to employees.
, Which of these is recommended to a roofing contractors emergency action plan? -
Answer- Escape routes must be specified in roofing location and jobsite.
Which of these should always be worn to protect the eyes during tear offs? - Answer-
Goggles
When falling protection commonly is required for roofing contractors employee? -
Answer- When employees are working six feet right more above a lower level.
Which statement most accurately describes proper use of slide guards as a only fall
protection system for steep slope roofing? - Answer- Slide guards may be used for work
areas up to 8:12 pitch and up to 25 feet eave heights.
Which of these is an appropriate response when employee suspects a possible leak in
a LPG? - Answer- Test the cylinder valve with soapy water.
Which of these is an appropriate response when an employee appears to be injured by
falling from a roofing work surface? - Answer- Do not move him and keep his head
elevated.
The OSHA hazard communications standard prohibits which of the following? - Answer-
Unlabeled partially filled chemical containers left overnight on a jobsite.
Which of these is required by OSHA standards to be included when a n is completeing
a required injury report? - Answer- Any loss of conscious due to a work related injury.
How must a ladder be set up to meet OSHA requirements? - Answer- The ladder must
be securely tied to a rigid support.
Which statement most accurately describes OSHA requirements for safe use of a
ladder? - Answer- The ladder should never be moved when a person is on it.
Which of these is most commonly required to determine whether an existing building
includes asbestos containing roofing materials before project begins? - Answer-
Analysis of test samples of existing roof material.
Which of these is the most likely benefit of a pre bid conference ? - Answer- To provide
all parties access to project documents and specifications.
Which statement most accurately describes the impact of weather on proper installation
of roofing system? - Answer- High humidity may interfere with proper bonding of roofing
adhesives.
On new construction which one of these roof deck characteristics are the primary
responds of the roofing contractor? - Answer- The surface of the roof deck.