Contractor's License Exam Questions and Answers 100% Pass

Contractor's License Exam Questions and Answers 100% Pass Attachments to structural members The edges of lugs brackets, rivets and bolt heads attached to structural members shall be permitted to extend to within 1 inch of the surface of the fire protection Parapet construction The height of the parapet shall not be less than 30 inches above the point where the roof surface and the wall intersect. Combustible framing in fire walls Adjacent combustible members entering into a concrete or masonry fire wall from opposite sides shall not have less than a 4 inch distance between embedded ends. Concealed sleeper spaces spaces under floors that are filled fire resistant material; open spaces will will not exceed 100 sq feet Fire alarm height The height of the manual fire alarm boxes shall be not less than 42 inches and not more than 48 inches Manual fire box color red Size of doors minimum clear width of 32 inches and height no less than 80 inches Stairways width and capacity minimum width shall be not less than 44 inches Stairway headroom stairway headroom clearance of not less than 80 inches measured from a line connecting the nosings. riser height 4-7 tread depth 11 inches minimum Dimensional uniformity (stairs) the difference between the greatest and the smallest stair shall not exceed 3/8 inch Handrails Stairways shall have handrails on each side and adequate in length Handrail height 34-38 inches HANDRAIL CLEARANCE FROM THE WALLS 1.5 inches guards Guards shall be located along open-sided walking surfaces more than 30 inches off the ground Guard Height shall not be less than 42 inches Guard opening limitations no openings large enough to allow a 4 inch ball to pass through if so a curb is required Emergency Escape and Rescue Opening shall have a minimum net clear opening of 5.7 square feet Emergency Escape and Rescue Opening dimensions height 24 inches by 20 inches wide Under floor ventilation crawl spaces shall be provided with ventilation openings in the foundation walls Openings for under floor ventilation shall not be less than 1 square foot for each 150 square feet of crawl space area Crickets and saddles a cricket and saddle shall be installed on the ridge side of any chimney or penetration greater than 30 inches measured perpendicular to the slope Asphalt shingles attachment Shingles shall have a minimum number of fasteners required by the manufacturer, but not less than four fasteners per strip shingle or two fasteners per individual shingle. Asphalt shingles underlayment For roof slopes of four units vertical in 12 units horizontal (33-percent slope) or greater underlayment shall be one layer applied starting from the eave lapped 2 inches Asphalt shingle slope Can only be used on a slope of 17% or greater Base and cap flashing Base flashing shall be of either corrosion-resistant metal of minimum .019 inc thickness or mineral surfaced roll roofing minimum 77 pound