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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. Who Manufactureres joists and joist girders?
By Splitting I sections in half
Parallel - wider
SJI
Metals that contain Iron

2. strongbacks can

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3. In a Typical sitecast reinforced Concrete structure - the cost of formwork and shores is...
Approximately equal to the combined cost of concrete and steel
Its strenth-to-weight ration is high - which reduces the weight of forms and shores.
Failure stress / allowable stress
Workablity - water rentivity - and water tightness

4. the anchors used in GFRC panels are typically
Surface tension
One piece anchors
Masonry walls without virtical reinforcement.
American Standard Shape

5. Modulus of elasticity
Stress / strain = E
Temporary structural steel bracing members can also be used to strengthen an opening - they are attached to a panel before lifting and removed after the panel's erections Pg. 620
2 in
Supported by - and anchored to - the buildings structure

6. two types of facotry-blended mixes for this finish coat are available - name some
T section
E = Change in length / original length = d / L
Plortland cement-based mix
Tunnel Form

7. Historical load bearing masonry structures were designed assuming that
16'
Exterior cladding - Air space - Flashing - Water resistant backup - and weep holes.
Rain-screen wall
All exterior walls resisted the lateral loads individually

8. Rest on and are part of the structural frame of the building - they are used for 2nd and higher floors.
Fall within the range of loads spans that are common in buildings
4 to 6 ft
Angle section (L)
Elevated Slabs

9. Flat glass obtained from the float glass process - without further treatment - is the basic glass - referred to as _____________
annealed glass
Grouted Space
True
Pile

10. This Grade of Steel is The most popular in use in buildings
52-72
1. decking 2. membrane 3. insulation 4. flashing
A992
4000 psi

11. What is the First arrow point at?
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.
Water that may reach the backup by traveling over metal anchors or unintentional obstructions in the air space
Leveling Nut
Solid unit

12. Wicks or Tubes need a spacing of ____ to go with open-head joints
Zero (0)
16 in
Expanded metal lath
Exposed aggregate finish by water washing - Abrasive blasting - acid etching

13. What is the maximum length of a shelf angle?
GFRC skin - a light gauge steel frame - anchors
20 ft
Zinc
Type N

14. Cellular-type plan is ______
Copper and stainless steel
A sufficient number and adequate lengths of walls must be provided in both principal directions of a building
30ft
Gauge number

15. the most commonly used strength of concrete for the slab-on ground in concrete tilt- up wall buildings is...
Either tension or compression
3 in
4000 psi
The deflection of studs to withstand lateral loads

16. The most water tight joint is ____
Concave
Is the Specified dimension plus one mortar joint thickness
Cylinder measuring 6 inches in diameter x 12 in high
W-shaped beams - Steel joints

17. In a tilt up wall constuction system - the walls are...
Percast at the construction site
Lighter Weight - Easier Erection
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.
Pile

18. 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
HHS
125psi
Plortland cement-based mix
Force / Area

19. The most common thickness for mortar is____
3/8
Wide-Flange section
Better
True

20. The backup wall in brick veneer wall assemby consists of a...
Average annual freezing cycle days - and average annual winter rainfall of the location
20 ft
Hoizontal bridging members at the bottom of the joists - and horizontal briging members at the top of the joists
Reinforced concrete wall - CMU wall - wood or steel stud wall

21. a larger space - nearly 1/4 or wider - immediately beyond the capillary space is called what?
American Standard Shape
Gravity - wind and surface tension
Columns
Capillary break

22. Diagonal bridging may be used as an alternative to horizontal bridging to...
Depth of the joist in inches
Extruded bricks that have through-through hols.
By functioning as a water reservior
stablize joists

23. ____________________ is gerneally preferred over filed welding?
Site cast concrete slabs
Base Plate
field bolting of steel member
Compressive strength

24. The oldest Method is also called Turn-of-Nut methos is where...
Lighter member that spans between the girders
The bolt shank and nut are marked after the joint has been snugged. Then a specific amount of rotation is induced in the nut with repect to the bolt - generally 1/3 to a full turn beyond the snug-tight condition
Temporary structural steel bracing members can also be used to strengthen an opening - they are attached to a panel before lifting and removed after the panel's erections Pg. 620
Grouted Space

25. Bricks that are highly absorptive may need to be wetted before being laid in a wall
30ft
Strands
True
As a structure that is made entirely of linear elements - columns and beams.

26. The width of an expansion joint is ___
A continuous concrete closure strip in the slab-on-ground.
Water and resistant to puncture - tear - and abrasion
3/8
Temporary structural steel bracing members can also be used to strengthen an opening - they are attached to a panel before lifting and removed after the panel's erections Pg. 620

27. What is ultimate stress?
The Horizontal members of this image for formwork is called ______
Obtaining by welding two or more standard sections together
W16X25
Stress at the point of failure

28. Benefits of reinforced masonry
Walls with vertical reinforcement
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.
L-shaped sheet metal or plastic element - that has a vertical leg that has openings to let the water out
Beams and Columns

29. What is Core 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.
Extruded bricks that have through-through hols.
W16X25
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.

30. Stirrups are used in Concrete beam ____
To increase the shear strength of beam above that provided by concrete
In plane shear between the wall and the floor or roof deck
Hollow structural section
Pre-cast concrete hollow-core slabs

31. The steel anchors that connect the veneer to the CMU backup wall are...
Copper and stainless steel
Live end
Square - rectangular or round
Two piece wire anchors

32. Pretensioning is generally done at precaster's plant and yeilds a precast - prestressed concrete member.
Strands
Control joints in concrete do what?
The exterior cladding in a pressure equalized wall
True

33. 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...
Exterior cladding and a inner backup wall and a intervening air space between the cladding and the backup
Shelf angle anchored to the structural frame of the building
To increase the shear strength of beam above that provided by concrete
Live end

34. In an English-bonded Wall
2in
The courses alternate between headers ans stretchers
Either tension or compression
By Splitting I sections in half

35. Site cast concrete slabs can be one of two types What are they?
S50X30
Ground-Supported Slabs - Elevated Slabs
A Waffle Slab
2 to 4 ft

36. In a Multisotry steel frame building - the columns are generally spiced every ____ floors
2
Base Plate
Weep holes
FBX

37. Gravity generally affects water penetration through an exposed horizontal surface of a wall and can counted by
Providing a anomalous slope in the surface.
Sanding smooth the insulation boards for EIFS
Molten Limestone that floats over molten Iron
Site cast concrete slabs

38. Materials used for Formwork are___
Continuous strip footings - isolated pad footings - drilled pier footings.
Reinforced concrete wall - CMU wall - wood or steel stud wall
Wood and Plywood - Steel - Aluminum - Glass Fiber
The cladding resists all the wind load

39. 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?
W-shaped beams - Steel joints
Brick ledge
Pre-cast concrete hollow-core slabs
Is embedded in the walls

40. StiffBacks
Its strenth-to-weight ration is high - which reduces the weight of forms and shores.
The Vertical lumber on this image of formwork is called ______
Brick ledge
20 ft

41. What type of noise did Juliard use to see if noise was reflected back?
2in
Pink
3/8
Portland cement stucco

42. Stripping time is ___
Within the plane of the veneer
Spraying the mix over a mold
Cold-formed and light structural steel members - in zinc coating
The time between the end of concreting and the removal of the forms

43. Plastic tubes work ____ than wicks
excavation
Better
The connections between the walls and the floor or roof decks
The Horizontal members of this image for formwork is called ______

44. Name one of the types of foundations of tilt-up walls
Isolated pad footing
I Section
Isolation Joints
they extend the entire thickness of the slab - they isolate the slab from the building's structural componants.

45. The primary reason for providing core hols in bricks is to...
False
=change in length/original length
Provide unifrom drying and firing of bricks
Noncombustible and is similar to fiberglass - manufacture of insulation.

46. In what order are roof componants placed:
1. decking 2. membrane 3. insulation 4. flashing
2
After World War 2
The contained molds in which the concrete is cast

47. W shapes the interior serfaces of the flanges are ____ and are ____ than the S shape
Parallel - wider
Veneer wall
Roof and Floor
Pieces sticking out away from the columes

48. Steel floor decks are either form decks or ___________decks.
Reinforced concrete wall - CMU wall - wood or steel stud wall
Zero (0)
2 1/2 in
Composite

49. Wicks or plastic tubes have a diamenter of...
3/8
Greater Floor to Floor height - COncentrated Loads - Complex layout floor and roof frame - and Fire protection
Immediately about a flashing
General contractor

50. A wall footing is also called _____
Grouted and reinforced with horizontal steel dowels
Drilled pier footing
Average annual freezing cycle days - and average annual winter rainfall of the location
Strip Footing