C-39 Roofing Trade Practice Test 2 with Correct Answers

An asphalt-modified roof is: - Correct Answer Torch-applied A roof has a 7' run and 8" per unit rise. What is the total rise at the ridge? - Correct Answer 56" Which of the following is NOT used as a weathering surface in single-ply roofing? - Correct Answer Mica If you know the lengths of two sides of a right angle, can you figure the length of the third side? - Correct Answer Yes, the third side squared = a2 + b2 The maximum heating temperature for steep asphalt is: - Correct Answer 525*F What is the flash point of a coal-tar pitch kettle? - Correct Answer 240-280*F What is the name of the thick, black, gummy plastic used for making temporary repairs to damp roof surfaces? - Correct Answer Wetpatch Where are sump drains usually installed? - Correct Answer Wood decks Which would be used to strengthen the eaves of a gable roof? - Correct Answer Fascia For spans less than 10ft, what is the minimum size lumber that may be used with a roofing jack? - Correct Answer 2" x 6" Cal/OSHA may impose _______ concerning machinery. - Correct Answer Fines and/or restraining orders Trusses should be spaced _______ apart for tile roofs. - Correct Answer 2'-6" Which of the following does not influence the exposure of wood shingles? - Correct Answer Type of sheathing Which of the following is least hazardous to your health? - Correct Answer Hypalon What is NOT a requirement when you reroof over a built-up roof? - Correct Answer The deck must be torn up Which of the following is not a correct statement about PVC sheet-laying adhesives? - Correct Answer The overlap should be 10" The main purpose of a base sheet is to provide: - Correct Answer A welding process