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Construction Basics

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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. Coats of stucco are usally ____ thick
A reinforced-masonry frame
Some veneer walls
24
3/8

2. The units of modulus of elasticity are _______
Psi - ksi - Pa - and GPa
annealed glass
The courses alternate between headers ans stretchers
2 1/2 in

3. The minimum width of air space generally used between brick veneer and wood stud backup wall is...
Barrier walls
7/8in
1in
Obtaining by welding two or more standard sections together

4. the GFRC skin is obtained by
Spraying the mix over a mold
3/8
Henry Bessemer in 1855
Footing

5. Formwork is refereed to as
All the walls of the building have been erected - all the walls have been anchored to the slab-on-ground - the roof structure is complete
18 to 48 in
Zinc
The contained molds in which the concrete is cast

6. A 1 1/2 depression is commonly created in foundation to receive the first course of the veneer - What is the name of the ledge?
Brick ledge
Two flange plates
Stabilizing members that space across the joists
Control joints in concrete do what?

7. S shapes the interior surfaces of the flanges are ____ and are ____ than the W shape
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.
Sloped - thinner
Sanding smooth the insulation boards for EIFS
Leveling Nut

8. A tube is referred to as a ____
EAF - BOF - OHF
HHS
Parallel - wider
Beams

9. A common type of Form Tie is ____
Joists
they extend the entire thickness of the slab - they isolate the slab from the building's structural componants.
Snap Tie
Carbon steel

10. The keyway between precast-concret hollow-core slabs is generally
Exterior cladding - waterproffing of the backup wall - flashing - weep holes
Shelf angles
3/8
Grouted and reinforced with horizontal steel dowels

11. The thicker the wall the larger the _______ needs to be
Reservoir
Providing a anomalous slope in the surface.
Rigid Insulation and Roof cover
7 in

12. The chairs used for supporting reinforcing steel bars are generally
Plastic - and Steel chairs with plastic-coated feet
Ties are generally not provided in a concrete wall
Parallel - wider
Immediately above the flashing

13. Weathering index of a location is a function of the
2
Average annual freezing cycle days - and average annual winter rainfall of the location
20 ft
Plastic - and Steel chairs with plastic-coated feet

14. In a PT concrete slab on groud - the tendons are stressed from the
Extruded bricks that have through-through hols.
Live end
same
Width - W - of Unit

15. A Column Spice is approximately ___ ft above the lower floor so that the erector can use the floor as a platform to make the connection.
4
All exterior walls resisted the lateral loads individually
Electric Arc Furnace
Reduced cracking in concret - and reduction in the dimensions of stuctural members

16. IF the bottom piece was extended what would we call it?
Lug
4
Hard coat EIFS
3 in

17. Minimum concrete strength of _____ for a slab
W-shaped beams - Steel joints
Psi - ksi - Pa - and GPa
3000 psi
Greater than the cross-sectional area of the column

18. A snape Tie consits of...
A plastic cone and a loop at each end.
W16X25
40 ft
Hoizontal bridging members at the bottom of the joists - and horizontal briging members at the top of the joists

19. Pretensioning is generally done at precaster's plant and yeilds a precast - prestressed concrete member.
Elastic
cohesive
True
Grade 50 steel

20. Plymer modified EIFS are also called...
18 to 48 in
Angle section (L)
Hard coat EIFS
Capillary break

21. In what order are roof componants placed:
Psi - ksi - Pa - and GPa
Approximately equal to the combined cost of concrete and steel
Bolting the member and rightening them with a spud wrench using full force
1. decking 2. membrane 3. insulation 4. flashing

22. Which gives greater warning before failure - a brittle or ductile material?
The courses alternate between headers ans stretchers
Each course consists of Strechers
A ductile material
Compressive strength and Flexural tensile bond strength

23. A bond beam in masonry bearing wall building
Length - L - of unit
A325
Molten Limestone that floats over molten Iron
Is embedded in the walls

24. HSS can be what Shape?
All the walls of the building have been erected - all the walls have been anchored to the slab-on-ground - the roof structure is complete
stablize joists
Grouted Space
Square - rectangular or round

25. 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...
Alkali resistant
Open-Hearth furnace
Shelf angle anchored to the structural frame of the building
Interegral to the mix of the finish coat pg 702

26. What is the Third Arrow Pointing at?
Obtaining by welding two or more standard sections together
Lug
Elevated Slabs
Grouted Space

27. A connection between a floor or roof and a wall must be adequate to sustain the 3 forces What is one of these forces?
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
Reinforced concrete or steel frame structure
False
Gravity load from the floor or roof deck to the wall

28. What is the bottom piece called?
More easily constructable.
Footing
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.
structural frame

29. the most commonly used strength of concrete for tilt-up
Lapped members - clamped together with specially made clamps - and screw-based metal assembly
2.67 ft
Prevent the buckling of longitudinal column bars
4000 psi

30. The backup wall in brick veneer wall assemby consists of a...
Zero (0)
Two terminals of high-voltage electric circuit are brought close together and creating a sutained spark across the space between the terminals
Reinforced concrete wall - CMU wall - wood or steel stud wall
To increase the shear strength of beam above that provided by concrete

31. PT concrete is Also known as _______
EAF - OHF - BOF
Open - vertical mortar joint in the veneer.
Gravel
Pre-tensioned concrete

32. ____ are used to Support the Rebar up off pf the ground
To ensure stability against overturning by wind loads
3/8
The concrete is cast at the site
Chairs

33. Water resistant layer on the backup wall protects it from
3/8
Water that may reach the backup by traveling over metal anchors or unintentional obstructions in the air space
Columns
Adding water to the mortar

34. What is one of the Empirical rules?
Favorably
That the thickness of exterior masonry walls progressively increase toward the lower floors.
Asymmetry
Head Joints

35. Stripping time is ___
18 to 48 in
Perpendicular to the main axis of the building.
Hoizontal bridging members at the bottom of the joists - and horizontal briging members at the top of the joists
The time between the end of concreting and the removal of the forms

36. List the Mortar types from greatest Comprssive strength to The lowest compressive strength
3/8
stress=force/area
A small opening at the bottom of cladding
M -S -N -O

37. For a brick veneer that bears on the foundation and continuses to the top of the building without any intermediate support - the maximum veneer height is limited to...
Glass fiber-reinforced concrete
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.
4 to 6 ft
30 ft

38. Steel floor decks are either form decks or ___________decks.
Composite
False
Immediately above the flashing
Footing

39. What is the formula for stress?
Is the Specified dimension plus one mortar joint thickness
Grouted Space
I Section
stress=force/area

40. Benefits of reinforced masonry
240 in =20ft
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.
Floor decks
every floor

41. Deep foundations use what to ensure that the building does not move
Residential
Pile
That it is welded
Concave

42. In relation to it's compressive strength - the tensile strength of concrete is...
Reinforced-concrete or reinforced masonry beam
A conventional wood light frame building
Much lower
Heavier members and spans from column to column

43. BOF full name is _______
After World War 2
Basic Oxygen Furnace
Reinforced concrete member
Reservoir

44. Site cast concrete slabs can be one of two types What are they?
Ground-Supported Slabs - Elevated Slabs
perpendicular
Columns
Tension

45. 1 kip = ____psi
Site cast concrete slabs
18 to 48 in
1kip=1000psi
7-5/8x7-5/8x15-5/8

46. IF the bottom piece was extended what would we call it?
The concrete is casted in controled enviroments and then transported to the contruction job.
3/8 in
Average annual freezing cycle days - and average annual winter rainfall of the location
Lug

47. Three differenet types of cleaning Concrete surfaces is...
Highly Crosive - Extreme
Exposed aggregate finish by water washing - Abrasive blasting - acid etching
Iron ore and coke are mixed together in a Furnace
Each course Consists of alternate headers and stretchers

48. The chairs used for supporting reinforcing steel bars are generally
Each course consists of Strechers
4000 psi
Immediately above
Plastic - and Steel chairs with plastic-coated feet

49. IRA is a measure of the Tensile Stregth of a brick?
A conventional wood light frame building
EAF - BOF - OHF
Better
False

50. Roof deck is generally topped with _____
AISC Type III Connection
3/8
10-13 feet.
Rigid Insulation and Roof cover

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Construction Basics

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