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Construction Basics

Instructions:

Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

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 stregth of concrete in a residential concrete slab-on=ground is generally
3/8
3000 PSI
A conventional wood light frame building
Adding water to the mortar

2. What are some Disadvantages to using Steel and Joists and Joist Girders?
Lighter weight
Alkali resistant
Greater Floor to Floor height - COncentrated Loads - Complex layout floor and roof frame - and Fire protection
Steel

3. The freeze-thaw resistance of bricks has been found to be a function of the
Compressive strength - boling-water absorbation - and saturation coefficient of the bricks
Shelf angles
Floor decks
Some veneer walls

4. Use of the load bearing masonry wall system became extinct for a while and was revived
Prevent the buckling of vertical reinforcement in columns
False
Flat-plate floor - and one-way joist floor
After World War 2

5. The anchors in a brick veneer wall assembly provide
Each floor level and roof level in all exterior walls and at all interior bearing walls ans shear walls.
Footing
Lateral load support to the veneer
M -S -N -O

6. In relation to it's compressive strength - the tensile strength of concrete is...
Flexible - durable - resistance to UV radiation.
That it is welded
Much lower
E = Change in length / original length = d / L

7. Strain Formula
Strength of it - and weakens the strength of the wall.
Barrier walls
18 to 48 in
E = Change in length / original length = d / L

8. The The Fourth Arrow is Pointing at
Open Headed joint
Scratch coat
Out of Plane shear between the wall and the floor or roof deck
Column Footing

9. Metal anchors are needed to transfer lateral loads to the backup wall in...
It took the excess carbon in the moten pig iron and was converted to carbon dioxide by blowing oxygen through it
Some veneer walls
1kip=1000psi
A Waffle Slab

10. StiffBacks
Henry Bessemer in 1855
The time between the end of concreting and the removal of the forms
AISC Type III Connection
The Vertical lumber on this image of formwork is called ______

11. Hooks in bars are produced by turning the bars through
Two piece anchor - or which one is embedded in CMU backup and the other is embedded in the Veneers mortar joint
90 to 180 degress
Low-rise buildings generally up to 50 ft
Extruded bricks that have through-through hols.

12. Strain Formula
E = Change in length / original length = d / L
Floor decks
The Long part extending from the Foundation into the bed rock - as shown in this picture is called _____
2

13. The steel anchors that connect the veneer to the CMU backup wall are...
1. Girder-primary 2. Beam-secondary 3. joist-tertiary
2 to 4 ft
Two piece wire anchors
Discontinuity of walls at foundations and requires a heavy transfer structure.

14. A rectngular column measuring 12 in x 12 in. in cross section carries a loat of 18 kips. What is the stress in the column
2in
4000 psi
5 in
125psi

15. In a PT concrete slab on groud - the tendons are stressed from the
Barrier walls
No. 3 or No. 4 bars
Live end
In plane shear between the wall and the floor or roof deck

16. Basic Oxygen Furnace did what?
Each floor level and roof level in all exterior walls and at all interior bearing walls ans shear walls.
It took the excess carbon in the moten pig iron and was converted to carbon dioxide by blowing oxygen through it
L-shaped sheet metal or plastic element - that has a vertical leg that has openings to let the water out
Iron ore and coke are mixed together in a Furnace

17. The most common used 28 day strength of concrete of PC curtian wall panels is ______
A36
5000 psi
25 ft in the field of the wall and 10 ft from a wall's corner.
Gauge number

18. Stress Formula
Pile
K-series - LH series - DHL series
F = Force/Area = P (Force) /A (Area)
The cladding resists all the wind load

19. A Tunnel form consists of...
A continuous closure strip
Roof and Floor
Prefabricated and collapsible inverted- L forms that allow the walls and slabs for a floor to be cast simultaneously - usually in a 7 day cycle.
Two piece anchor - or which one is embedded in CMU backup and the other is embedded in the Veneers mortar joint

20. Arch welding is where
tempered glass
Surface tension
True
Two terminals of high-voltage electric circuit are brought close together and creating a sutained spark across the space between the terminals

21. A shear connection between a Steel beam and a Steel Colum is also called a ____
25 ft in the field of the wall and 10 ft from a wall's corner.
Simple Connection
Floor decks
The courses alternate between headers ans stretchers

22. Repetitive floor planes are not only structurally more efficient but also _____
Exterior cladding - Air space - Flashing - Water resistant backup - and weep holes.
Isolation Joints
25 ft and not more than 10 ft from the walls corner
More easily constructable.

23. This type of Mortar is used in seismic zones
A horizontal butt join in cladding
4
Mild
Type S

24. What is a control joint used for?
Type S
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.
2.67 ft
Column Footing

25. What are the two benifits of pressing concret?
Perpendicular to the main axis of the building.
Mildly
1in
Reduced cracking in concret - and reduction in the dimensions of stuctural members

26. What is the maximum height for a storefront window system?
Comressive Strength = load at failure / area = ksi or psi
Exterior cladding and a inner backup wall and a intervening air space between the cladding and the backup
HHS
10-13 feet.

27. The Long part extending from the Foundation into the bed rock - as shown in this picture is called _____
Pile
Soon as possible to allow rapid turnover and reuse of the framework
It took the excess carbon in the moten pig iron and was converted to carbon dioxide by blowing oxygen through it
16'

28. A 10 in deep joist can be used for a maximum span of _____
Thermal Mass
A single 1/2 - 7 wire strand
American Standard Shape
240 in =20ft

29. A snug-Tight Connection between framing members is obtained by
Harsh climates - where onsite masonry and concrete construction are problematic due to freeze hazard and slow curing rate of Portland cement.
4 to 6 ft
Live end
Bolting the member and rightening them with a spud wrench using full force

30. The Horizontal Lines in the Middle are called ____
The time between the end of concreting and the removal of the forms
windward face
Beams
Joists

31. The thickness of a roof or floor deck is generally specified in terms of...
Steel
Gauge number
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.
Large - prefabricated - tunnel forms that allow walls and slabs to be cast simultaneously

32. The Top right hand Beam is called a
2 to 4 ft
Low rise building 1 to 4 stories
T section
Compression

33. The structural behavior of a contemporary load-bearing masonry wall building is similar to that of...
Concrete hollow-core slabs - metal deck - or wood deck.
Hoizontal bridging members at the bottom of the joists - and horizontal briging members at the top of the joists
A conventional wood light frame building
Tunnel Form

34. Site cast concrete slabs can be one of two types What are they?
2in
Porland cement - lime - and sand
Ground-Supported Slabs - Elevated Slabs
25 ft in the field of the wall and 10 ft from a wall's corner.

35. Stressing-end assembly is called a ____
3/8
W - S - HP - M
Live end
10-13 feet.

36. When lintel angels and shelf angles are combined in the same angle in a brick veneer clad building - the angle should be treated as a...
Shelf angle anchored to the structural frame of the building
Wide-Flange section
Immediately above the flashing
cohesive

37. Rain screen is...
Each floor level and roof level in all exterior walls and at all interior bearing walls ans shear walls.
EAF - BOF - OHF
Capillary break
The exterior cladding in a pressure equalized wall

38. The two Strength Properties of Mortar are ______
4000 psi
Compressive strength and Flexural tensile bond strength
The concrete is cast at the site
Wood and Plywood - Steel - Aluminum - Glass Fiber

39. Wicks or plastic tubes have a diamenter of...
Ties are generally not provided in a concrete wall
No. 3 or No. 4 bars
Out of Plane shear between the wall and the floor or roof deck
3/8

40. Drainage wall must have sufficient built-in redundancy to remain infiltration free for the entire life of the building that includes.
Cylinder measuring 6 inches in diameter x 12 in high
Exterior cladding - Air space - Flashing - Water resistant backup - and weep holes.
Exterior cladding - waterproffing of the backup wall - flashing - weep holes
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.

41. The material in an arch is primarily in _________
24
5 in
Composite
Compression

42. Slagwool is _____
Noncombustible and is similar to fiberglass - manufacture of insulation.
Flexural and Shear.
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.
Open-Hearth furnace

43. Roof deck is generally topped with _____
Rigid Insulation and Roof cover
2in
Steel
Obtaining by welding two or more standard sections together

44. in a pressure-equalized wall the backup wall must be
Air tight
8
Width - W - of Unit
W-shaped beams - Steel joints

45. In a brick veneer assembly vertical expansion joints should be provided at a maximum distance of...

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46. The combination of bond Beams and Vertically reinforced CMU cells forms _______
Connections are tightened to a high tensil stress so that shear resistance is provided though fiction between the connect surfaces
Rigid Insulation and Roof cover
A reinforced-masonry frame
Open - vertical mortar joint in the veneer.

47. A rain screen classing system addresses the issue of water penetration due to...
Tunnel Form
Where the concrete absorbs the heat from the day and slowly releases it during the night
True
Unequal distribution of air pressure on the exterior of the wall and in the airspace between the cladding an d the backup wall.

48. The commonly used floor system in a high-rise and midrise masonry bearing wall buildings in North America is...
Stiff
Pre-cast concrete hollow-core slabs
Weak in shear
Dead End

49. A bond beam in masonry bearing wall building must be a...
Reinforced-concrete or reinforced masonry beam
Parallel - wider
Basic Oxygen Furnace
Hard coat EIFS

50. During the time that the Empirical rules where in use - What is an important reason for progressively increasing wall thickness?
stress=force/area
Ground-Supported slabs area____
To ensure stability against overturning by wind loads
where soil is not strong.