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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. In a cross-bearing wall structure - the load bearing walls are...
24
Rigid Insulation and Roof cover
Cotton ropes - that absorb water from the airspace by capillary action and drain it to the outside.
Perpendicular to the main axis of the building.
2. In referring to a masonry wall as a reinforced masonry wall it is implied that the wall contains
Provide unifrom drying and firing of bricks
Greater than the cross-sectional area of the column
Vertical reinforcing bars
8 and 30 in
3. 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
2in
Flying forms
Isolation Joints
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. Most common used Veneer wall is...
Compressive strength and Flexural tensile bond strength
Supported by - and anchored to - the buildings structure
A single wythe of brick (usally 4in nominal thickness)
A plastic cone and a loop at each end.
5. Is a nonmovment joint in a large concrete slab - and is used when the concrete cannot be placed in one continuous operation.
1kip=1000psi
4 to 6 ft
Construction Joint
2 1/2 in
6. Materials used for Formwork are___
8
Wood and Plywood - Steel - Aluminum - Glass Fiber
Base Plate
3 in
7. Wicks consist of...
Control joints in concrete do what?
True
Cotton ropes - that absorb water from the airspace by capillary action and drain it to the outside.
Plortland cement-based mix
8. A connection between a floor or roof and a wall must be adequate to sustain the 3 forces What is one of these forces?
Reduced cracking in concret - and reduction in the dimensions of stuctural members
Failure stress / allowable stress
Tunnel Form
Out of Plane shear between the wall and the floor or roof deck
9. Form liners are used to...
144^2 - 18ft.
Allow water washing of concrete after stripping the forms
4000 psi
False
10. A bond beam in masonry bearing wall building
FBX
A36
Strength of it - and weakens the strength of the wall.
Is embedded in the walls
11. Clay is _______
8 in to 30 in
cohesive
Each course Consists of alternate headers and stretchers
True
12. the GFRC skin is obtained by
That the thickness of exterior masonry walls progressively increase toward the lower floors.
laminated glass - so that glass shards don't rain down death.
Spraying the mix over a mold
3/8
13. How high off the does glass have to remain tempered?
14. EAF full name is?
Electric Arc Furnace
Acrylic polymer-based mix
That it is welded
Shores
15. What does SJI stand for?
Steel Joist Institute
A 100% solid unit
144^2 - 18ft.
The size of the masonry that the manufacture would like to achieve.
16. The Veneer is generally supported at each floor using steel _______
Shelf angles
The courses alternate between headers ans stretchers
Gravity load support to the veneer
Flexible - durable - resistance to UV radiation.
17. The primary purpose of ties in a reinforced concrete column is to...
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.
Prevent the buckling of vertical reinforcement in columns
The time between the end of concreting and the removal of the forms
Deck that the load is transferred to all four walls - and are generally of site-cast concrete.
18. G60 is for ____ corrosive enviroment
MOre Crrosive Enviroment - Hot
False
Comressive Strength = load at failure / area = ksi or psi
The time between the end of concreting and the removal of the forms
19. S-Shape is also called ____
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.
American Standard Shape
General contractor
32 in on center and not more than 18 in vertically
20. The primary purpose of longitudinal steel bars in a reinforced concrete beam is to overcome the weakness of concrete in ______
Within the plane of the veneer
4
Tension
Water and resistant to puncture - tear - and abrasion
21. During the time that the Empirical rules where in use - What is an important reason for progressively increasing wall thickness?
To ensure stability against overturning by wind loads
Column Footing
same
A36
22. A tube is referred to as a ____
Stiff
False
HHS
A36
23. What is one of the Empirical rules?
Collect and channel any water that gets into the air space back to the exterior
Surface tension
Scratch coat
That the thickness of exterior masonry walls progressively increase toward the lower floors.
24. The greater the _____ the great the torsion created - which increases the cost of the structure.
Mild
Gravity load support to the veneer
A single wythe of brick (usally 4in nominal thickness)
Asymmetry
25. In a PT concrete slab on groud - the tendons are stressed from the
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.
Each floor level
Reinforced-concrete or reinforced masonry beam
Live end
26. Site cast concrete slabs can be one of two types What are they?
Exterior cladding - Air space - Flashing - Water resistant backup - and weep holes.
Two flange plates
Pre-cast concrete hollow-core slabs
Ground-Supported Slabs - Elevated Slabs
27. The Dark things in the Corner are ____
Increase the strength of beam in shear
Henry Bessemer in 1855
Columns
Provide unifrom drying and firing of bricks
28. Is a nonmovment joint in a large concrete slab - and is used when the concrete cannot be placed in one continuous operation.
Construction Joint
Gauge number
3in
Average annual freezing cycle days - and average annual winter rainfall of the location
29. What is the Fill Made up of?
Site cast concrete slabs
Gravity load from the floor or roof deck to the wall
Zero (0)
Gravel
30. The use of ONe-way decks yields the following two types of bearing wall planes name one?
Gravity load from the floor or roof deck to the wall
Gauge number
Basic Oxygen Furnace
Cross bearing Walls plane
31. Effloresecence
Concave
Cohesive
One piece anchors
Is the Deposit of white substance on a masonry wall
32. IF the bottom piece was extended what would we call it?
The Framework
Lug
The contained molds in which the concrete is cast
Wider space in an otherwize narrow joint
33. Stripping time is ___
The time between the end of concreting and the removal of the forms
3000 psi
General contractor
Reinforced concrete member
34. When a cable or rope is compressed by a force - What is the compressive stress i it?
Zero (0)
Lug
Isolation Joints
8 in
35. Stressing-end assembly is called a ____
30 ft
GFRC skin - a light gauge steel frame - anchors
Live end
Two piece wire anchors
36. Flashing material must be impervious to...
Water and resistant to puncture - tear - and abrasion
Vertical reinforcing bars
Steel Joist Institute
Snap Tie
37. 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 ______
Zero (0)
Some interior concrete slabs-on-ground
Zinc
Lighter weight
38. In relation to it's compressive strength - the tensile strength of concrete is...
Lighter Weight - Easier Erection
Support Pylons
Gravity - wind and surface tension
Much lower
39. What is the formula for stress?
Cylinder measuring 6 inches in diameter x 12 in high
Workablity - water rentivity - and water tightness
stress=force/area
36 ksi
40. Rinforced-Masonry walls are ________
Much lower
Less than it's ultimate stress
Walls with vertical reinforcement
Flat-plate floor - and one-way joist floor
41. The Term GFRC is an acronym for...
At each floor level and roof level
3000 PSI
Glass fiber-reinforced concrete
One piece anchors
42. Panelized construction eliminates _____ - increasing on-site workers' safety
Scaffolding
Force / Area
As a structure that is made entirely of linear elements - columns and beams.
No. 3 or No. 4 bars
43. The thicker the wall the larger the _______ needs to be
16 in
Wider space in an otherwize narrow joint
Reservoir
Thermal Mass
44. a construction join in a concrete slab on ground is required if the concrete in the slab connot be placed in one continuous operation
True
Strength of it - and weakens the strength of the wall.
Obtaining by welding two or more standard sections together
The exterior cladding in a pressure equalized wall
45. What is the first thing a contractor does at a construction site?
True
4000 psi
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
excavation
46. Diagonal bridging may be used as an alternative to horizontal bridging to...
Cohesive
Metals that do not contain Metals
stablize joists
Peter Zumther
47. PCI recommends a minimum horizontal clearance of ___ of precast panels from the buildings structural frame
Reinforced concrete wall - CMU wall - wood or steel stud wall
125psi
False
2in
48. A doubly rienforced beam is one in which
The concrete is casted in controled enviroments and then transported to the contruction job.
Deck that spans between two opposite walls - and the gravity load on the deck is carried in one direction across the two opposite walls.
Reinfocing bars are provided at the top and bottom of the beams
AISC Type I Connection
49. Simple Connection is also called...
Barrier walls
where soil is not strong.
AISC Type II Connection
Reinforced-concrete or reinforced masonry beam
50. The stregth of concrete in a residential concrete slab-on=ground is generally
Residential
3000 PSI
36 ksi
Molten Limestone that floats over molten Iron