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Test your basic knowledge |
Construction Basics
Start Test
Study First
Subjects
:
industries
,
construction
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. Reshoring Concrete structures is necessary where excessive deflection of Floor slabs or foundation settlement is anticipate on remval of shores
Stress at the point of failure
Stabilizing members that space across the joists
False
Weak in shear
2. They provide a weakness in the slab at predetermined locations to force the slab to crak there and not somewhere else.
Structural concrete fill
Psi - ksi - Pa - and GPa
7/8in
Control joints in concrete do what?
3. What is a construction joint?
MOre Crrosive Enviroment - Hot
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.
a nonmovement joint in a large concrete slab. It is used when concrete cannot be placed in on continuous operation.
3/8
4. To protect reinforcment from corrosion - a minimum amount of concrete is ____
3 in
Ground-Supported Slabs - Elevated Slabs
Exterior cladding - Air space - Flashing - Water resistant backup - and weep holes.
Individual elements - tha do not have continuity to resist diaphragm tension - and are anchored to to masonry beams.
5. The Very middle one is called _____
Compressive strength - boling-water absorbation - and saturation coefficient of the bricks
W16X25
I Section
W-Shaped Columns and Beams
6. NonFerrous Metals are...
8 in
Elastic
Metals that do not contain Metals
Immediately above
7. Drainage wall must have sufficient built-in redundancy to remain infiltration free for the entire life of the building that includes.
Pre-cast concrete hollow-core slabs
Zero (0)
Exterior cladding - Air space - Flashing - Water resistant backup - and weep holes.
8
8. What are the types of concrete slabs and their function?
Control joints - Isolation joints - Construction joints
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
Scratch coat
Control joints in concrete do what?
9. The Middle-THird Rule indicated that ______
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.
Connected members have been bolted together using spud wretch with the full force of a person
windward face
True
10. in a suspension bridge - Which member(s) is (are) in compression
Support Pylons
Beams and Columns
The deflection of studs to withstand lateral loads
K-series - LH series - DHL series
11. G120 is for ____ corrosive enviroment
perpendicular
Highly Crosive - Extreme
Lighter Weight - Easier Erection
Zero (0)
12. OHF full name is?
Fall within the range of loads spans that are common in buildings
Reinforced concrete wall - CMU wall - wood or steel stud wall
Open-Hearth furnace
To increase the shear strength of beam above that provided by concrete
13. Unfinished bolts have the same charateristics as ____ steel
Columns
Each floor level
Continuous Stip footing
A36
14. The arrows next to the Column and the base plate are indications of what?
That it is welded
2
4000 psi
Continuous strip footings - isolated pad footings - drilled pier footings.
15. Low carbon (mild) steel is a(an) __________ material
Spraying the mix over a mold
Pile
Elastic-plastic
Reservoir
16. EAF full name is?
One piece anchors
American Standard Shape
Interegral to the mix of the finish coat pg 702
Electric Arc Furnace
17. ASTM standards require that the area between control joints in stucco applied on a stud wall assembly not exceed ______ with neither deminsion of this area exceeding ___
Favorably
144^2 - 18ft.
Tilt-up Concrete Association
Stress / strain = E
18. Which type of EIF is most used?
PB pg 703
Beams and Columns
Steel
Perpendicular to the main axis of the building.
19. The primary purpose of longitudinal steel bars in a reinforced concrete beam is to overcome the weakness of concrete in ______
Tension
Acrylic polymer-based mix
Alkali resistant
More easily constructable.
20. Molten iron from the blast furnace is converted to molten steel by one of three ways - which is the Three?
By functioning as a water reservior
Pile
A36
EAF - BOF - OHF
21. The most commonly used steel for framming menbers is_______
Modular
W-Shaped Columns and Beams
Horizontal reinforcement
Plastic - and Steel chairs with plastic-coated feet
22. What is Core Holes?
8 in to 30 in
Lighter weight
Extruded bricks that have through-through hols.
Isolation Joints
23. The Top right hand Beam is called a
Comressive Strength = load at failure / area = ksi or psi
excavation
Either tension or compression
T section
24. The Glass fibers used in GFRC skin are referred to as AR fibers. the Term AR is an acronym for...
Alkali resistant
Providing an impervious barrier to water
Compressive strength and Flexural tensile bond strength
stablize joists
25. Capillary break is a...
Water that may reach the backup by traveling over metal anchors or unintentional obstructions in the air space
Columns
A992
Wider space in an otherwize narrow joint
26. Cellular-type plan is ______
Lug
Gas or arc
1in
A sufficient number and adequate lengths of walls must be provided in both principal directions of a building
27. Flat glass obtained from the float glass process - without further treatment - is the basic glass - referred to as _____________
Solid unit
annealed glass
Gravity load from the floor or roof deck to the wall
I Section
28. Thermal Mass is _____
Pipe Section
Reinforced concrete member
Zero (0)
Where the concrete absorbs the heat from the day and slowly releases it during the night
29. Stress Formula
1. decking 2. membrane 3. insulation 4. flashing
36 ksi
Basic Oxygen Furnace
F = Force/Area = P (Force) /A (Area)
30. A steel with a yeild strenth of 50 ksi is also called _____
Acrylic polymer-based mix
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.
Grade 50 steel
Site cast concrete slabs
31. in an ideal pressure-equalized drainage wall
Deck that spans between two opposite walls - and the gravity load on the deck is carried in one direction across the two opposite walls.
Reduced cracking in concret - and reduction in the dimensions of stuctural members
The cladding resists all the wind load
laminated glass - so that glass shards don't rain down death.
32. Site cast concrete slabs can be one of two types What are they?
Ground-Supported Slabs - Elevated Slabs
stress=force/area
Average annual freezing cycle days - and average annual winter rainfall of the location
Sanding smooth the insulation boards for EIFS
33. The greater the _____ the great the torsion created - which increases the cost of the structure.
Asymmetry
30ft
3/8
Stiff
34. What is the Fill Made up of?
Continuous Stip footing
3in
Gravel
Is embedded in the walls
35. Strain Formula
Metals that contain Iron
M -S -N -O
E = Change in length / original length = d / L
Either tension or compression
36. Plastic tubes work ____ than wicks
Depth of the joist in inches
Each course consists of Strechers
Better
20 ft
37. Per ASTM standars - facing bricks are classiffied as Types FBS - FBX. amd FBA. Which of these types has the most stringent requirements for dimensional tolerance - chippage - and warpage?
FBX
5000 psi
Longitudinal bearing Wall Plan.
18'
38. Site-cast is when ____
Beams and Columns
The concrete is cast at the site
Water that may reach the backup by traveling over metal anchors or unintentional obstructions in the air space
Connected members have been bolted together using spud wretch with the full force of a person
39. Name one of the types of foundations of tilt-up walls
52-72
Isolated pad footing
Grade 50 steel
Compression
40. A fully cured Stucco is ___ thick
18'
Perpendicular to the main axis of the building.
Workablity - water rentivity - and water tightness
7/8in
41. The concrete tilt-up wall construction system is generally used in...
Low rise building 1 to 4 stories
perpendicular
True
Asymmetry
42. fixed anchor assemly is called a ____
Dead End
Expanded metal lath
The deflection of studs to withstand lateral loads
125psi
43. Materials used for Formwork are___
Wood and Plywood - Steel - Aluminum - Glass Fiber
7-5/8x7-5/8x15-5/8
Steel
1kip=1000psi
44. Rasping is what?
3/8
Construction Joint
Sanding smooth the insulation boards for EIFS
they extend the entire thickness of the slab - they isolate the slab from the building's structural componants.
45. in an ideal pressure-equalized drainage wall
Peter Zumther
Approximately equal to the combined cost of concrete and steel
The cladding resists all the wind load
Water Proofing
46. In a cross-bearing wall structure - the load bearing walls are...
Perpendicular to the main axis of the building.
Beams and Columns
At foundation level - over a lintel angle - over a shelf angle - under a window sill.
Gravity load from the floor or roof deck to the wall
47. ____ are used to Support the Rebar up off pf the ground
Chairs
7 in
structural frame
Lighter weight
48. In what order are roof componants placed:
1. decking 2. membrane 3. insulation 4. flashing
18 to 48 in
Each course Consists of alternate headers and stretchers
Acrylic polymer-based mix
49. Vertical Mortar joints are also called _____
Longitudinal bearing Wall Plan.
18'
Head Joints
Site cast concrete slabs
50. A shelf angle must be anchored to the building's...
Support Pylons
As a structure that is made entirely of linear elements - columns and beams.
Type S
structural frame