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Construction Basics

Instructions:

Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. the stirrups in a reinforced concrete beam are used to...
Portland cement stucco
Strip Footing
Increase the strength of beam in shear
Flexural and Shear.

2. A connection between a floor or roof and a wall must be adequate to sustain the 3 forces What is one of these forces?
Steel fabricator
Providing a anomalous slope in the surface.
Angle section (L)
Out of Plane shear between the wall and the floor or roof deck

3. S-Shape is also called ____
Gravity load support to the veneer
Providing an impervious barrier to water
To ensure the absence of tensile stress in masonry - the resultant of gravity load and the wind load at any horizontal section of the wall must remain within the middle third of the section.
American Standard Shape

4. The Horizontal Lines in the Middle are called ____
Cylinder measuring 6 inches in diameter x 12 in high
Beams
Iron ore and coke are mixed together in a Furnace
Pre-cast concrete hollow-core slabs

5. Aluminum is commonly used as form and shore material because___
Its strenth-to-weight ration is high - which reduces the weight of forms and shores.
excavation
Parallel - wider
To ensure stability against overturning by wind loads

6. Water resistant layer on the backup wall protects it from
Increases the strength of a wall against bending - increases the sliding resistance of the wall to in-plane lateral loads - reducing horizontal displacement between floors - helps to resist the tension caused by overturning of the Wall.
Water that may reach the backup by traveling over metal anchors or unintentional obstructions in the air space
E = Change in length / original length = d / L
Upward deflection of a beam to counter downward deflection by a dead load

7. Which gives greater warning before failure - a brittle or ductile material?
Soft-coat EIFS
3000 psi
Lintel angle
A ductile material

8. What is the Fill Made up of?
Gravel
Pile
Control joints - Isolation joints - Construction joints
Concrete masonry Units

9. When a cable or rope is compressed by a force - What is the compressive stress i it?
Flexural and Shear.
Much lower
Force / Area
Zero (0)

10. Site cast concrete slabs can be one of two types What are they?
Ground-Supported Slabs - Elevated Slabs
Square - rectangular or round
Two flange plates
Site cast concrete slabs

11. A drip mechanism at the underside of a projecting horizontal surface counters the effect of...
Sanding smooth the insulation boards for EIFS
Surface tension
Brick ledge
True

12. Generally - a Bond Beam is only _____ deep
Discontinuity of walls at foundations and requires a heavy transfer structure.
Cross bearing Walls plane
8
Floor decks

13. The primary purpose of longitudinal steel bars in a reinforced concrete beam is to overcome the weakness of concrete in ______
Collect and channel any water that gets into the air space back to the exterior
Tension
annealed glass
3/8

14. Precast is where____
Immediately above the flashing
The concrete is casted in controled enviroments and then transported to the contruction job.
G30 - G60 - G120
2

15. What is the typical spacing between studs on center?

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16. Generally - a Bond Beam is only _____ deep
4000 psi
Composite
To ensure the absence of tensile stress in masonry - the resultant of gravity load and the wind load at any horizontal section of the wall must remain within the middle third of the section.
8

17. The Top Left hand Corner is a ____ Beam
Large - prefabricated - tunnel forms that allow walls and slabs to be cast simultaneously
Angle section (L)
3 in
Steel pipes

18. ____ are used to Support the Rebar up off pf the ground
tempered glass
Length - L - of unit
Elastic-plastic
Chairs

19. the allowable stress in a material is generally

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20. The Slag is what?
2 in
Masonry walls without virtical reinforcement.
Molten Limestone that floats over molten Iron
Extruded Bricks

21. During the erection of concrete tilt up walls - a gap is left between the bottom of a wall panel the top of the footing. The gap is approximately
Scratch coat
2in
Control joints - Isolation joints - Construction joints
Zero (0)

22. What is the Fill Made up of?
Gravel
Stress / strain = E
False
1in

23. the most commonly used strength of concrete for tilt-up
10-13 feet.
By functioning as a water reservior
4000 psi
W-shaped beams - Steel joints

24. Water-resistant exterior walls may be divided into three types What is one of these?
Length - L - of unit
Barrier walls
8 and 30 in
Pile

25. Metal anchors are needed to transfer lateral loads to the backup wall in...
At foundation level - over a lintel angle - over a shelf angle - under a window sill.
Continuous strip footings - isolated pad footings - drilled pier footings.
ground supported slabs (a.k.a. slabs-on-ground or slabs-on-grade) bear directly on a compacted ground with organic top soil removed. 2. elevated slabs rest on and are part of the structural frame of the building. Therefore they are also referred to a
Some veneer walls

26. The keyway between precast-concret hollow-core slabs is generally
The Framework
8 and 30 in
Noncombustible and is similar to fiberglass - manufacture of insulation.
Grouted and reinforced with horizontal steel dowels

27. The commonly used floor system in a high-rise and midrise masonry bearing wall buildings in North America is...
A continuous concrete closure strip in the slab-on-ground.
Barrier walls
4000 psi
Pre-cast concrete hollow-core slabs

28. Roof deck is generally topped with _____
Rigid Insulation and Roof cover
I Section
laminated glass - so that glass shards don't rain down death.
Water Proofing

29. Roof deck is generally topped with _____
To increase the shear strength of beam above that provided by concrete
16 in
18 to 48 in
Rigid Insulation and Roof cover

30. The concrete tilt-up wall construction system is generally used in...
One piece anchors
Molten Limestone that floats over molten Iron
Low rise building 1 to 4 stories
where soil is not strong.

31. Tilt-up walls are connected to the slab on ground by one of the following two method - name one
A small opening at the bottom of cladding
Steel embeds in wall and slab welded together with steel plates
Huge - steel cylinder whose interior is lined with refractory bricks - and the materials are stacked on the inside and then heated to mix them all together.
Failure stress / allowable stress

32. Minimum concrete strength of _____ for a slab
3000 psi
2in
False
Tougher pg 617

33. A vapor retarder is required under
W-shaped beams - Steel joints
Column Footing
Some interior concrete slabs-on-ground
Lintel angle

34. In what order are roof componants placed:
Concave
3/8
1. decking 2. membrane 3. insulation 4. flashing
Strands

35. This mortar is gernerally specified in all-brick veneer except in seismic zones.
Type N
Isolation Joints
The Vertical lumber on this image of formwork is called ______
where soil is not strong.

36. Coats of stucco are usally ____ thick
Extruded Bricks
Shelf angles
3/8
Thermal Mass

37. A bond beam in masonry bearing wall building
a nonmovement joint in a large concrete slab. It is used when concrete cannot be placed in on continuous operation.
The Long part extending from the Foundation into the bed rock - as shown in this picture is called _____
Connections are tightened to a high tensil stress so that shear resistance is provided though fiction between the connect surfaces
Is embedded in the walls

38. What is the Fill Made up of?
Gravel
Each floor level
2in
Head Joints

39. a curtain wall is separated form the structural fram of the building by a minimum of...
Modular
That it is welded
Connected members have been bolted together using spud wretch with the full force of a person
2 in

40. Water-resistant exterior walls may be divided into three types What is one of these?
That it is welded
Reduced cracking in concret - and reduction in the dimensions of stuctural members
Drainage Walls
Horizontal reinforcement

41. What is a control joint used for?
8 and 30 in
control joints accomodate the shrinkage of concrete. their purpose is to provide weakness in the slab at predetermined locations to force the slab to crack there.
24in
2 1/2 hours of the initial preparations of mortar

42. If you put less lime in Morar this decreases
T section
A ductile material
Strength of it - and weakens the strength of the wall.
Reinfocing bars are provided at the top and bottom of the beams

43. The Vertical Lines that are not connected to Beams are called ____
Joists
All exterior walls resisted the lateral loads individually
W-Shaped Columns and Beams
Leveling Nut

44. Most of the cost comes from _____
Hollow structural section
The Framework
MOre Crrosive Enviroment - Hot
Actual strength / required strength

45. The term FLying form refers to...
Head Joints
A large formwork assembly for concrete walls
Modular
Angle section (L)

46. Clay is _______
Collect and channel any water that gets into the air space back to the exterior
stablize joists
Favorably
cohesive

47. A shear connection between a Steel beam and a Steel Colum is also called a ____
Iron ore melts and then is cooled to a solid state by casting it on a sand bed - the shape of the casting resembles a little of new born pigs.
Stress at the point of failure
Simple Connection
Leveling Nut

48. Scaffold-types shores are usally made from
Steel pipes
Increase the strength of beam in shear
4000 psi
Increases the strength of a wall against bending - increases the sliding resistance of the wall to in-plane lateral loads - reducing horizontal displacement between floors - helps to resist the tension caused by overturning of the Wall.

49. What type of glass is used for places above walkways with no overhead protection

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50. What type of noise did Juliard use to see if noise was reflected back?
Zero (0)
Compressive strength - boling-water absorbation - and saturation coefficient of the bricks
I Section
Pink