JJ exteria Flashcards
To protect against decay, the ends of wood beams entering masonry walls should have a clearance of at least ½-inch all around. protect against保护，保卫 decay腐烂;
ture
What is a sign of a cracked roof rafter ?
A sag in the roof structure
What sign indicates that a foundation crack is still active?
Crack has previously been patched and has re-opened
Vertical cracks in the foundation wall extending down to the footings can be caused by:
Settlement of the structure
What is “Spalling”? thin coat of joint compound or mortar standard size rectangular block used in building construction hollow foam blocks forms filled with concrete flakes of a material that are broken off a larger solid body
flakes of a material that are broken off a larger solid body
What is an “I.C.F.”? flakes of a material that are broken off a larger solid body thin coat of joint compound or mortar hollow foam blocks filled with concrete standard size rectangular block used in building construction flakes小薄片; 碎片
hollow foam blocks filled with concrete
Perimeter vents in a crawl space should be: Closed at all times. The foundation vents should never be closed. Open in winter and summer, closed in spring and fall. Open in spring and fall, closed in winter and summer. Perimeter外缘，边缘; 周长
The foundation vents should never be closed.
For which type of foundation cracking should a structural engineer be recommended? Cracks of any width Horizontal Cracks with Movement Shrinkage Cracks All Active and Inactive Cracks
Horizontal Cracks with Movement
Efflorescence is caused by: Fluorescent Paint Wood Rot Mineral Salts Mold Efflorescence 风化, Fluorescent 荧光
Mineral Salts 矿物盐
What is the overall purpose of the Structural Inspection? To recommend inspection by a structural engineer To check for code compliance To report signs of water penetration To describe and record major structural deficiencies in a written report describe描述; 形容; 把…称为; 做…运动; 画出…图形; 形成…形状 deficiencies缺乏; 缺少; 不足; 缺点; 缺陷; deficiency的复数
To describe and record major structural deficiencies in a written report
What is a “C.M.U.”? flakes of a material that are broken off a larger solid body hollow foam blocks filled with concrete standard size rectangular block used in building construction thin coat of joint compound or mortar rectangular矩形
standard size rectangular block used in building construction
What is the function of a knee wall in an attic? prevent the roof rafters from sagging 防止屋檐下垂 To support the roof sheathing provide a surface for attaching insulation 提供用于连接绝缘层的表面 prevent the roof rafters from spreading 防止屋檐展开
prevent the roof rafters from sagging
A footing in disrepair can lead to _____________ in the foundation walls. Flaking Spalling Pocks Z-Cracks
Z-Cracks
For which condition should the customer be advised to monitor the foundation wall? Excessive bowing of the wall with no cracks Step cracks indicating foundation settlement Cracks less than 1/4” wide showing little or no movement All active cracks
Cracks less than 1/4” wide showing little or no movement
Which of the following is used as the nailing surface for the 2nd floor system? Double Top Plate Soffit Lintel Header
Double Top Plate
Bulges observed on the interior walls of the structure may indicate a problem with the Studs Foundation Main bearing beam Sill Plate
Studs
How might rafter spread be noticed from the exterior of the home? Concave ridge line A sunken area on the roof Waviness over the roof surface A hump in the ridge line sunken沉没的 hump大隆起物
Concave ridge line Rafter ties prevent the weight of the roof from spreading the tops of the walls and causing the ridge to sag.
When water freezes, it expands approximately _______%?
9%
Which of the following determines whether the structure has a basement or crawl space? The height of the: Girder Foundation Wall Footing Sill Plate determines查明; 测定; 准确算出; 决定; 形成; 支配; 影响; 确定; 裁决; 安排; determine的第三人称单数 whether是否; 是…，或者…，不管…
Foundation Wall
Structural member that support the ceiling and the roof over the door and window openings are known as: Double Top Plates Bearing Beams Headers Girders
Headers
An end notch cut into a beam where it rests on the foundation may be up to 1/2 the depth of the beam. T/F
F
What sort of crack in a ceiling can be caused by “Truss Uplift”? 1 分 A crack running alongside a girder the length of the house A crack along the junction of the ceiling and the walls An angled crack from corner to corner of the ceiling A network of cracks over the ceiling sort of有几分;近似;有那么点儿 alongside在…旁边; 沿着…的边; 与…一起; 与…同时; 在…的侧面; 与…并排 junction交叉路口，汇合处，枢纽站; 主接点; 汇合处; 接合点
A crack along the junction of the ceiling and the walls
What is a Helical Pile thick concrete mat that rests on concrete or timber piles a pile of garden and organic kitchen refuse that decomposes to produce compost. Foundation anchor screwed into the ground to load bearing depth. rests剩余部分; timber树木， piles 堆放; 摞起; a pile of一大堆 decomposes腐烂; 分解; compost混合肥料; screwed用螺丝固定;
Foundation anchor screwed into the ground to load bearing depth
In wood-frame construction, which might be the cause of a floor sloping toward an interior wall? 1.Interior walls shrinking more than outer walls and pulling floor down 2.Foundation settlement pulling the floor lower at the center of the house toward向;朝;面对 shrinking缩水
2.Foundation settlement pulling the floor lower at the center of the house
Frozen soil exerts a greater force against the foundation than wet soil. True False exerts运用 force against压紧
T
A wood foundation using preservative-treated lumber resists ________. Decay Cracking Termites All of the Above resists抵制 preservative防腐剂
All of the Above
Structure-related problems, aside from those caused by differential settlement or earthquakes, are usually found over openings False True related problems相关问题
T
If a foundation is not below the frost level, what might occur? Lifting of the structure Sinking of the structure cracking of the foundation all of the above occur发生
all of the above
Which of the following best describes “Truss Uplift”? The roof load pushes the rafters upward Trusses are over spanned Trusses that have had chords cut A bowing upward of the truss bottom chord describe 描写
A bowing upward of the truss bottom chord
Water stains along the junction of the basement wall and floor likely indicate: A high water table A tree next to foundation A leaking water heater A drain tile problem junction交叉路口，汇合处
A drain tile problem
