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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. What are some advantages of using concrete for Load Bearing Walls?
Fire-resitive - mold-free - sound-insulating - relatively inexpensive and durable.
Support Pylons
=change in length/original length
Exterior cladding and a inner backup wall and a intervening air space between the cladding and the backup
2. Use of the load bearing masonry wall system became extinct for a while and was revived
After World War 2
Out of Plane shear between the wall and the floor or roof deck
4000 psi
Wider space in an otherwize narrow joint
3. The width of an expansion joint is ___
Low-rise buildings generally up to 50 ft
1in
Simple Connection
3/8
4. In specifying the dimesnsions f a masonry unity - which dimensions is stated first?
Providing a anomalous slope in the surface.
True
Width - W - of Unit
Column Footing
5. Water-resistant exterior walls may be divided into three types What is one of these?
A continuous concrete closure strip in the slab-on-ground.
Walls with overhangs
The courses alternate between headers ans stretchers
Angle section (L)
6. Most Structural Steel sections are produced using _______
Concrete hollow-core slabs - metal deck - or wood deck.
Low-rise buildings generally up to 50 ft
A large formwork assembly for concrete walls
Hot Rolling
7. tilt-up concrete walls are connected to the slab-on ground with
T section
The industry's standard for masonry bearing wall structures.
A continuous concrete closure strip in the slab-on-ground.
Dead End
8. Flat glass obtained from the float glass process - without further treatment - is the basic glass - referred to as _____________
A ductile material
I Section
annealed glass
Structural concrete fill
9. The structural integrity of a bearing wall building depends on ?
Open-Hearth furnace
Reinforced concrete or steel frame structure
The connections between the walls and the floor or roof decks
18 to 48 in
10. Modulus of elasticity
Sloped on both sides
Sloped on both sides
Cold-formed and light structural steel members - in zinc coating
Stress / strain = E
11. The cost of a tilt up wall system compares _____ with that of a masonry bearing wall system
Favorably
K-series - LH series - DHL series
Peter Zumther
Hard coat EIFS
12. Bricks that are highly absorptive may need to be wetted before being laid in a wall
Copper and stainless steel
True
Parallel - wider
Grouted Space
13. Low carbon (mild) steel is a(an) __________ material
Elastic-plastic
Reinfocing bars are provided at the top and bottom of the beams
Parallel - wider
At foundation level - over a lintel angle - over a shelf angle - under a window sill.
14. Retempering of mortar - if needed - should be generally done within
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
2 1/2 hours of the initial preparations of mortar
Gauge number
Reinforced concrete wall - CMU wall - wood or steel stud wall
15. Standard CMU size
Plastic - and Steel chairs with plastic-coated feet
Sloped - thinner
7-5/8x7-5/8x15-5/8
Two flange plates
16. Bricks and Blocks are called ____
EAF - BOF - OHF
Footing
Exposed aggregate finish by water washing - Abrasive blasting - acid etching
Concrete masonry Units
17. ____________________ is gerneally preferred over filed welding?
Water Proofing
field bolting of steel member
240 in =20ft
AISC Type I Connection
18. __________ are vertical supports used in the forming of concrete.
Shores
Lighter member that spans between the girders
W-Shaped Columns and Beams
18'
19. A shear connection between a Steel beam and a Steel Colum is also called a ____
Simple Connection
Head Joints
Lug
Elevated Slabs
20. Plymer modified EIFS are also called...
Hard coat EIFS
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.
That it is welded
Pile
21. Flashing material must be impervious to...
7 in
Asymmetry
Water and resistant to puncture - tear - and abrasion
Extruded Bricks
22. In high-rised residential buildings with site cast reinforced concrete bearing walls - the floors and the roofs are generally constructed of...
Fibrous
Site cast concrete slabs
Width - W - of Unit
A special electric wrench is used that induces a predetermined torque bolt
23. Factor for safety formula
Horizontal reinforcement
Failure stress / allowable stress
Grouted Space
Residential
24. in a pressure-equalized wall the backup wall must be
Air tight
Each floor level
Unequal distribution of air pressure on the exterior of the wall and in the airspace between the cladding an d the backup wall.
Concrete hollow-core slabs - metal deck - or wood deck.
25. What are the two benifits of pressing concret?
Tube
Solid unit
Reduced cracking in concret - and reduction in the dimensions of stuctural members
W-Shaped Columns and Beams
26. Strain Formula
Average annual freezing cycle days - and average annual winter rainfall of the location
Water and resistant to puncture - tear - and abrasion
Tube
E = Change in length / original length = d / L
27. The keyway between precast-concrete hollow core slabs runs ____________ to the bearing walls
The Vertical lumber on this image of formwork is called ______
Bearing connection
perpendicular
Hollow structural section
28. _______ is the Most important Ferrous Metal
Zero (0)
Strip Footing
Steel
5 in
29. 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
Horizontal reinforcement
3/5/8x2/1/4x7/5/8
Isolation Joints
A ductile material
30. Wicks consist of...
Cotton ropes - that absorb water from the airspace by capillary action and drain it to the outside.
Longitudinal bearing Wall Plan.
Porland cement - lime - and sand
Hard coat EIFS
31. Rest on and are part of the structural frame of the building - they are used for 2nd and higher floors.
Elevated Slabs
Square - rectangular or round
No. 3 or No. 4 bars
Steel embeds in wall and slab welded together with steel plates
32. The primary reason for providing core hols in bricks is to...
Cranes and rails
A small opening at the bottom of cladding
3/8
Provide unifrom drying and firing of bricks
33. Was is directly underneith the concrete Slab
A small opening at the bottom of cladding
Water Proofing
Head Joints
A plastic cone and a loop at each end.
34. In specifying the dimensions of a masonry unit - which dimension is states last?
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.
The concrete is casted in controled enviroments and then transported to the contruction job.
18'
Length - L - of unit
35. the anchors used in GFRC panels are typically
One piece anchors
G30 - G60 - G120
Steel Grade
36 ksi
36. The commonly used floor system in a high-rise and midrise masonry bearing wall buildings in North America is...
16 in
Columns
3/8
Pre-cast concrete hollow-core slabs
37. The two Strength Properties of Mortar are ______
Within the plane of the veneer
Greater Floor to Floor height - COncentrated Loads - Complex layout floor and roof frame - and Fire protection
Compressive strength and Flexural tensile bond strength
Ties are generally not provided in a concrete wall
38. In relation to it's compressive strength - the tensile strength of concrete is...
25 ft in the field of the wall and 10 ft from a wall's corner.
Much lower
Exterior cladding - Air space - Flashing - Water resistant backup - and weep holes.
2
39. What is the bottom piece called?
30ft
stress=force/area
A continuous closure strip
Footing
40. The primary purpose of ties in a reinforced concrete column is to...
Soon as possible to allow rapid turnover and reuse of the framework
Porland cement - lime - and sand
Prevent the buckling of vertical reinforcement in columns
Elastic-plastic
41. What is the First arrow point at?
Portland cement stucco
Leveling Nut
Gravity load support to the veneer
Two flange plates
42. S shapes the interior surfaces of the flanges are ____ and are ____ than the W shape
Sloped - thinner
By functioning as a water reservior
Mildly
W - S - HP - M
43. The Horizontal Lines in the Middle are called ____
Much lower
Beams
2in
Cross bearing Walls plane
44. This mortar is gernerally specified in all-brick veneer except in seismic zones.
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
The Horizontal members of this image for formwork is called ______
Type N
Each floor level
45. To protect reinforcment from corrosion - a minimum amount of concrete is ____
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
32 in on center and not more than 18 in vertically
3 in
Where the concrete absorbs the heat from the day and slowly releases it during the night
46. Roof deck is generally topped with _____
4
Reduced cracking in concret - and reduction in the dimensions of stuctural members
Rigid Insulation and Roof cover
3000 psi
47. IF the bottom piece was extended what would we call it?
Lug
Water that may reach the backup by traveling over metal anchors or unintentional obstructions in the air space
FBX
A 100% solid unit
48. The test specimens used for determining the compressive strength of concrete in the united states is a...
T section
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
Lug
Cylinder measuring 6 inches in diameter x 12 in high
49. What type of glass is used for places above walkways with no overhead protection
50. Built-up sections are made by _____
Pre-tensioned concrete
Modular
Obtaining by welding two or more standard sections together
4000 psi