Download Illinois Roofing With 60 Exam 2: Multiple Choice Questions on Roofing Systems and more Exams Construction in PDF only on Docsity!
Illinois Roofing With 60 Exam 2
Which statement most accurately describes principles of water vapor movement? - โ โ Vapor drive moves from inside to outside a building in a heating climate conditions.
Which of these materials are most likely cause more rapid deterioration of roofing systems in building with cathedral ceilings? - โ โ Asphalt based components installed directly over insulated non-vented roof decks.
Which statement most accurately describes roofing ventilation system ? - โ โ Gable and vents depend on wind speed and direction to be effective.
Which statement most accurately describes insulation for low slope roofing systems? - โ โ Most types of insulation used in steep-slope roofing are inappropriate for low slope roofing systems.
Which statement most accurate describes polymer modified bitumen roofing materials used in low slope roofing systems? - โ โ Type III Or IV asphalt must be used for all vertical flashings.
Which statement most accurately describes a temporary roof used in low-slope roofing system? - โ โ A temporary roof membrane may become part of the pernament roofing system.
Which of these most accurately describes proper maintenance and repair procedures in low slope roofing system with build up roofing membranes? - โ โ New plies should be installed in hot bitumen at least 18 inches beyond the previous ply.
Which of these most accurately describes fasteners in proper maintenance and repair procedures in low-slope roofing systems with buildup roofing membranes? - โ โ A fastener may back out may indicate a need for re-roofing rather than a repair.
Which of these most accurately describes proper maintance and repair procedures in low slope roofing system with modified bitumen membranes? - โ โ Extend any patch at least 8 inches in all directions from any part of the defect.
Which of these most accurately describes proper maintenance and repair procedures in low - slope roofing system with modified bitumen membranes? - โ โ Crazing and eroding can be covered with a coat of asphalt emulsion.
Which statement most accurately describes the impact of weather on proper installation of roofing system? - โ โ 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? - โ โ The surface of the roof deck.
What does the NRCA recommend for all low slope roofing system drainage? - โ โ Drainage within 48 hrs following rainfall under normal drying conditions.
Which one of these is NOT among the possible damage that can result from ponding or poor roof system drainage? - โ โ Immediate changes in the slope and structural integrity of the roof deck.
Which of these is the best way to apply build-up roofing plies in low- slope? - โ โ As a complete roof membrane in a single day.
Which of these is recommended when heating asphalt bitumen for application to low slope roofing membranes? - โ โ Circulate or stir bitumen while heating is underway.
Which of these generally is NOT part of the composition of asphalt shingles used in residential roofing? - โ โ Thermoplastic layers
Which statement most accurately describes asphalt shingles used in residential roofing? - โ โ 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? - โ โ 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? - โ โ Condensation or moisture accumulation.
What does NRCA recommend when applying ice dam protection membrane on roof with a slope of less than 4:12? - โ โ 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? - โ โ 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? - โ โ 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? - โ โ Apron flashings over an ice dam protection membrane.
Which of these is most appropriate when installing a metal cricket that is wider than 18 inches? - โ โ Wood framing should be installed as part of the roof deck to support the cricket.
Which of these is the most appropriate for installing eave edge metal in asphalt shingle roof? - โ โ Extend the felt over the flange.
Which of these may be used in place of an ice dam protection membrane in a tile roofing system? - โ โ A two ply membrane Underlayment with an interplay adhesive.
How is water shed from a slate roofing system surface? - โ โ With the slope of the roofing system.
Which of these does the NRCA recommend as the best use of new wood roofing systems? - โ โ Apply only on slope of 4:12 or more.
Which of these does the NRCA recommend when fastening a wood roofing system? - โ โ Determine the length of fasteners by the thickness of all of the combined roofing materials.
Which statement most accurately describes proper employee training program about blood borne pathogens? - โ โ In a language familiar to employees.
Which of these is recommended to a roofing contractors emergency action plan? - โ โ Escape routes must be specified in roofing location and jobsite.
Which of these should always be worn to protect the eyes during tear offs? - โ โ Goggles
When falling protection commonly is required for roofing contractors employee? - โ โ 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? - โ โ 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? - โ โ 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? - โ โ Do not move him and keep his head elevated.
The OSHA hazard communications standard prohibits which of the following? - โ โ 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? - โ โ Any loss of conscious due to a work related injury.
How must a ladder be set up to meet OSHA requirements? - โ โ The ladder must be securely tied to a rigid support.
Which statement most accurately describes OSHA requirements for safe use of a ladder? - โ โ 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? - โ โ Analysis of test samples of existing roof material.
Which of these is the most likely benefit of a pre bid conference? - โ โ To provide all parties access to project documents and specifications.
