AHIT Practice Questions & Answers

Why should a dirt floor in a crawl space have a vapor barrier? - Answer To prevent moisture from soil being released into the crawl space. Large horizontal cracks in basement foundation walls should be considered... - Answer Serious and indicate the presence of horizontal pressure on the outside walls. For which type of foundation cracking should a structural engineer be recommended? A) Cracks of any width B) all active and inactive cracks C) shrinkage cracks D) horizontal cracks with movement - Answer D Water stains along the junction of the basement wall and floor most likely indicate... - Answer drain life problem The function of a beam is to - Answer Carry floor and wall loads horizontally to columns and the foundation Notching of a 2 x 8 floor joist can be made in - Answer Outer 2/3 of joist (ends) What is the difference between balloon framing and platform construction? - Answer Balloon framing studs run from foundation to roof line. What is NOT part of the structural inspection? A) foundation walls B) roof framing members C) interior finish material D) girder and floor joist - Answer C) interior finish material A 2x4 being pulled is under - Answer tension Trusses typically ... A) can be cut without engineering approval B) can never be cut C) have two bearing points D) are not used - Answer C) have two bearing points What does EIFS stand for? - Answer exterior insulated finish systems Most building codes allow balusters on railings to be a maximum of how far apart? - Answer 4 inches What are 4 types of roof systems? - Answer hip gable gambrel mansard What contributes to moss on the exterior of a home? - Answer shade The inspector should only walk on the roof if - Answer It is safe and will not damage the roof covering. Asphalt shingles can be installed on pitches as low as ?/12 if the roof is first covered with non-perforated saturated felt paper. - Answer 2/12 What is the average life expectancy of a 235 lb asphalt shingle? - Answer 15-20 years The proper exposure for 18" and 24" shingles is - Answer 7.5" and 10", respectively It is preferable to put wood shingles and shakes over what type of roof sheathing to allow them to dry more quickly? - Answer spaced What contributes to ice damming? - Answer inadequate or improperly installed attic insulation and ventilation What copper pipe is the lightest? - Answer M Which type of supply pipe will rust from the inside out? - Answer galvanized Water flow - relates to volume (gpm) if water pressure is low, water flow will be ____ - Answer low ?? - relates to the push behind the flow (psi). _______ may be good but the flow could be poor due to dirty water conditioning filters, constricted pipes, wrong size pipes, partially closed valves, etc. - Answer Water pressure Which type of plastic piping is blue-gray? - Answer polybutylene (PB) What is a symptom of a water-logged pressure tank? - Answer the pump runs constantly and/or short cycles