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Construction Basics

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
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 maximum span of a K-series Joists is ____ times is depth
Large - prefabricated - tunnel forms that allow walls and slabs to be cast simultaneously
24
7-5/8x7-5/8x15-5/8
Strength of it - and weakens the strength of the wall.

2. The simplest and most effective weep hols is a _____
Joists
L-shaped sheet metal or plastic element - that has a vertical leg that has openings to let the water out
Open - vertical mortar joint in the veneer.
Tougher pg 617

3. The face of the PC wall panels should not be less than ____ thick
2in
Flexural and Shear.
Hoizontal bridging members at the bottom of the joists - and horizontal briging members at the top of the joists
1in

4. The keyway between precast-concret hollow-core slabs is generally
Longitudinal bearing Wall Plan.
Horizontal reinforcement
Grouted and reinforced with horizontal steel dowels
Is embedded in the walls

5. Retempering of motar means...
Barrier walls
Gas or arc
Adding water to the mortar
No. 3 or No. 4 bars

6. Minimum concrete strength of _____ for a slab
8 in to 30 in
Iron ore and coke are mixed together in a Furnace
W16X25
3000 psi

7. Weep holes must be provided ______ to the flashing
Its strenth-to-weight ration is high - which reduces the weight of forms and shores.
Leveling Nut
Immediately above
Ties are generally not provided in a concrete wall

8. The stregth of concrete in a residential concrete slab-on=ground is generally
A single wythe of brick (usally 4in nominal thickness)
3000 PSI
4 to 6 ft
Control joints in concrete do what?

9. A load-bearing wall structure works best when the floor plan of the building has
Walls that are distributed almost uniformly in both principle and directions - walls at the uper floor that align with the walls at the lower floor - walls that are continuous up to the foundations
4000 psi
stablize joists
Two piece anchor - or which one is embedded in CMU backup and the other is embedded in the Veneers mortar joint

10. The minimum required width of airspace between brick veneer and CMU backup wall is...
Joists
Adding water to the mortar
2in
Beams and Columns

11. A snug-Tight Connection between framing members is obtained by
a nonmovement joint in a large concrete slab. It is used when concrete cannot be placed in on continuous operation.
Bolting the member and rightening them with a spud wrench using full force
Extruded bricks that have through-through hols.
Connections are tightened to a high tensil stress so that shear resistance is provided though fiction between the connect surfaces

12. A major benefit of a steel stud backup wall in a in a brick veneer assembly as compaired with a CMU backup wall is its ______
Low-rise buildings generally up to 50 ft
Ground-Supported Slabs - Elevated Slabs
Lighter weight
Square - rectangular or round

13. To protect reinforcment from corrosion - a minimum amount of concrete is ____
Highly Crosive - Extreme
3 in
Cranes and rails
3000 psi

14. A Tunnel form consists of...
Soon as possible to allow rapid turnover and reuse of the framework
Wide-Flange section
The contained molds in which the concrete is cast
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.

15. Metal anchors are needed to transfer lateral loads to the backup wall in...
Some veneer walls
Continuious waterproof membrane which provides a continuous barrior that originates at the backup wall and penetrates through air space and cladding
Workablity - water rentivity - and water tightness
1in

16. The Slag is what?
Tougher pg 617
It took the excess carbon in the moten pig iron and was converted to carbon dioxide by blowing oxygen through it
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.
Molten Limestone that floats over molten Iron

17. Joist spacing is generally between ___ and ___ for floors
One piece anchors
Exterior cladding - waterproffing of the backup wall - flashing - weep holes
Flexural and Shear.
2 to 4 ft

18. W shapes the interior serfaces of the flanges are ____ and are ____ than the S shape
Compressive strength and Flexural tensile bond strength
Masonry Bearing Wall Structure
same
Parallel - wider

19. Plain-Masonry walls are _______
Masonry walls without virtical reinforcement.
At foundation level - over a lintel angle - over a shelf angle - under a window sill.
shear force=force/area
Grouted and reinforced with horizontal steel dowels

20. What does SJI stand for?
stress=force/area
excavation
Steel Joist Institute
Fibrous

21. W section I beam with a nominal depth of 16' and a weight of 50 lbs for 2 foot
W16X25
PB pg 703
Heavier members and spans from column to column
Gas or arc

22. 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?
Compressive strength and Flexural tensile bond strength
Pipe Section
Brick ledge
10-13 feet.

23. Safety Margin formula
stress=force/area
Actual strength / required strength
By functioning as a water reservior
Carbon steel

24. The two Strength Properties of Mortar are ______
4000 psi
1/2 to 3/4 thick
Footing
Compressive strength and Flexural tensile bond strength

25. 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...
Molten Limestone that floats over molten Iron
30 ft
Highly Crosive - Extreme
Grouted Space

26. Camber refers to...
Upward deflection of a beam to counter downward deflection by a dead load
AISC Type III Connection
Increase the strength of beam in shear
Spraying the mix over a mold

27. The most efficient weep hole in a brick veneer consists of a...
Open-Hearth furnace
Open Headed joint
Collect and channel any water that gets into the air space back to the exterior
Porland cement - lime - and sand

28. The test specimens used for determining the compressive strength of concrete in the united states is a...
Cylinder measuring 6 inches in diameter x 12 in high
Flexural and Shear.
1. Girder-primary 2. Beam-secondary 3. joist-tertiary
Open Headed joint

29. Galvanizing is...
FBX
Sloped toward the interior roof
30 ft
Cold-formed and light structural steel members - in zinc coating

30. A Steel angle used to support the weight of Brick veneer over an opening is called a...
Adding water to the mortar
2
Cold-formed and light structural steel members - in zinc coating
Lintel angle

31. Water-resistant exterior walls may be divided into three types What is one of these?
In plane shear between the wall and the floor or roof deck
Tube
Walls with overhangs
same

32. Hooks in bars are produced by turning the bars through
90 to 180 degress
I Section
A reinforced-masonry frame
Veneer wall

33. In a tilt up wall constuction system - the walls are...
MOre Crrosive Enviroment - Hot
Percast at the construction site
Lateral load support to the veneer
Open-Hearth furnace

34. Was is directly underneith the concrete Slab
Prevent the buckling of longitudinal column bars
2in
Water Proofing
50

35. the most commonly used strength of concrete for tilt-up
Modular
4000 psi
Water that may reach the backup by traveling over metal anchors or unintentional obstructions in the air space
Shores

36. Extend the entire thickness of the slab and they ensure that the slab is isolated from the buildings structural componenst so that their movments is not transfered to the slab
The concrete is cast at the site
To ensure stability against overturning by wind loads
Isolation Joints
By functioning as a water reservior

37. What is the Third Arrow Pointing at?
Plastic - and Steel chairs with plastic-coated feet
K-series - LH series - DHL series
Steel Grade
Grouted Space

38. Fine Grained soles are______ with water
2in
Cohesive
Steel
L-shaped sheet metal or plastic element - that has a vertical leg that has openings to let the water out

39. Bricks that have core holes are ____
Increase the strength of beam in shear
Extruded Bricks
The Long part extending from the Foundation into the bed rock - as shown in this picture is called _____
A small opening at the bottom of cladding

40. What are the three forces that affect water infiltration through exterior wall are...
Water Proofing
Gravity - wind and surface tension
Live end
Gravity load from the floor or roof deck to the wall

41. ____ are used to Support the Rebar up off pf the ground
Chairs
Exposed aggregate finish by water washing - Abrasive blasting - acid etching
1in
Steel

42. Clay is _______
The industry's standard for masonry bearing wall structures.
cohesive
50
Parallel - wider

43. If you put more lime in Mortar this increases
A single wythe of brick (usally 4in nominal thickness)
Two terminals of high-voltage electric circuit are brought close together and creating a sutained spark across the space between the terminals
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.
Workablity - water rentivity - and water tightness

44. Formwork is refereed to as
tempered glass
Pre-tensioned concrete
The contained molds in which the concrete is cast
Angle section (L)

45. The most water tight joint is ____
Some interior concrete slabs-on-ground
Concave
Length - L - of unit
A992

46. Joist spacing is generally between ___ and ___ for ceilings?
Is embedded in the walls
Water that may reach the backup by traveling over metal anchors or unintentional obstructions in the air space
0.0025
4 to 6 ft

47. The Bottom Right hand Picture is a ______
At each floor level and roof level
Pipe Section
Individual elements - tha do not have continuity to resist diaphragm tension - and are anchored to to masonry beams.
Gravity load from the floor or roof deck to the wall

48. The most common used size of brick is...
Wider space in an otherwize narrow joint
stablize joists
Horizontal reinforcement
3/5/8x2/1/4x7/5/8

49. 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...
That the thickness of exterior masonry walls progressively increase toward the lower floors.
Flexural and Shear.
Low rise building 1 to 4 stories
Shelf angle anchored to the structural frame of the building

50. The structural behavior of a contemporary load-bearing masonry wall building is similar to that of...
Two piece anchor - or which one is embedded in CMU backup and the other is embedded in the Veneers mortar joint
5 in
Thermal Mass
A conventional wood light frame building