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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. W-Shape are mostly used for ____
Zero (0)
Pink
Beams and Columns
Joists
2. What is a control joint used for?
Exterior cladding - Air space - Flashing - Water resistant backup - and weep holes.
Is the Deposit of white substance on a masonry wall
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.
Barrier walls
3. The freeze-thaw resistance of bricks has been found to be a function of the
Deck that spans between two opposite walls - and the gravity load on the deck is carried in one direction across the two opposite walls.
1in
Compressive strength - boling-water absorbation - and saturation coefficient of the bricks
Beams
4. In a brick veneer assembly - weep holes are required at...
In plane shear between the wall and the floor or roof deck
Immediately above the flashing
A 100% solid unit
Steel pipes
5. The keyway between precast-concret hollow-core slabs is generally
GFRC skin - a light gauge steel frame - anchors
Grouted and reinforced with horizontal steel dowels
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.
30ft
6. Where the concrete absorbs the heat from the day and slowly releases it during the night
Beams
It took the excess carbon in the moten pig iron and was converted to carbon dioxide by blowing oxygen through it
Thermal Mass
A reinforced-masonry frame
7. Slagwool is _____
2in
Chairs
Lug
Noncombustible and is similar to fiberglass - manufacture of insulation.
8. What are two of the most durable flashing materials?
Copper and stainless steel
Base Plate
To increase the shear strength of beam above that provided by concrete
Shelf angles
9. Was is directly underneith the concrete Slab
4000 psi
Concave
Longitudinal bearing Wall Plan.
Water Proofing
10. Use of the load bearing masonry wall system became extinct for a while and was revived
Extruded Bricks
After World War 2
50
The concrete is cast at the site
11. Clay is _______
Strength of it - and weakens the strength of the wall.
3/8
Reservoir
cohesive
12. What is a construction joint?
3/8 greater than the multiples of the masonry unit module.
a nonmovement joint in a large concrete slab. It is used when concrete cannot be placed in on continuous operation.
Steel embeds in wall and slab welded together with steel plates
Gauge number
13. What is the 2 arrow?
Increase the strength of beam in shear
Open Headed joint
Base Plate
Force / Area
14. S shapes the interior surfaces of the flanges are ____ and are ____ than the W shape
Sloped - thinner
E = Change in length / original length = d / L
Construction Joint
30ft
15. A drainage wall is a wall that consists of an
Exterior cladding and a inner backup wall and a intervening air space between the cladding and the backup
Drainage Walls
perpendicular
3/8
16. This type of form work has gained favor in constructing high-rise reinforced-concrete bearing walls structures
Width - W - of Unit
Continuous strip footings - isolated pad footings - drilled pier footings.
Tunnel Form
Perpendicular to the main axis of the building.
17. The steel anchors that connect the veneer to the CMU backup wall are...
Connections are tightened to a high tensil stress so that shear resistance is provided though fiction between the connect surfaces
Two piece wire anchors
Weep holes
Cylinder measuring 6 inches in diameter x 12 in high
18. Semirigid Connection is also called...
Basic Oxygen Furnace
AISC Type III Connection
Steel pipes
Cylinder measuring 6 inches in diameter x 12 in high
19. The Self-Furring glavanized steel lath(diamond pattern) is called what?
Live ends
Tube
Immediately above the flashing
Expanded metal lath
20. In a Flemish-bonded wall
True
Each course Consists of alternate headers and stretchers
To increase the shear strength of beam above that provided by concrete
The time between the end of concreting and the removal of the forms
21. Coats of stucco are usally ____ thick
Zero (0)
Glass fiber-reinforced concrete
3/8
Cotton ropes - that absorb water from the airspace by capillary action and drain it to the outside.
22. Most common used Veneer wall is...
A plastic cone and a loop at each end.
stablize joists
A single wythe of brick (usally 4in nominal thickness)
Walls with vertical reinforcement
23. Shelf angles are...
W-shaped beams - Steel joints
Supported by - and anchored to - the buildings structure
All sheet-steel components are fabricated by rolling and pressing the sheets into carious cross-sectional profiles at room temperature
Tougher pg 617
24. Pretensioning is generally done at precaster's plant and yeilds a precast - prestressed concrete member.
Cross bearing Walls plane
Barrier walls
True
Two piece wire anchors
25. Tilt-up walls are connected to the slab on ground by one of the following two method - name one
Tunnel Form
Control joints in concrete do what?
A continuous closure strip
True
26. DLH series has a depth range of...
Reduced cracking in concret - and reduction in the dimensions of stuctural members
Flexural and Shear.
Open Headed joint
52-72
27. The Dark things in the Corner are ____
Columns
2in
Individual elements - tha do not have continuity to resist diaphragm tension - and are anchored to to masonry beams.
Support Pylons
28. The most important reason for providing ties in concrete wall is to...
Interegral to the mix of the finish coat pg 702
Ties are generally not provided in a concrete wall
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.
3in
29. Wicks or Tubes need a spacing of ____ to go with open-head joints
Grouted Space
It took the excess carbon in the moten pig iron and was converted to carbon dioxide by blowing oxygen through it
Is embedded in the walls
16 in
30. The oldest Method is also called Turn-of-Nut methos is where...
A suitable base on which the roof or floor trusses and joist can be supported ans anchored
shear force=force/area
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
Cranes and rails
31. The bearing strength of a material is closely related to it's ___________
Reinfocing bars are provided at the top and bottom of the beams
excavation
Tilt-up Concrete Association
Compressive strength
32. A vapor retarder is required under
Elevated Slabs and arches - its formwork for arches
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.
Low rise building 1 to 4 stories
Some interior concrete slabs-on-ground
33. There should only be _____ gravity load connections - also referred to as bearing supports per panel located as near the columns as possible
2
Veneer wall
Leveling Nut
Provide unifrom drying and firing of bricks
34. A material that is weak in tension is...
Weak in shear
Where the concrete absorbs the heat from the day and slowly releases it during the night
MOre Crrosive Enviroment - Hot
1in
35. The bending stresses along the neutral axis of a beam are _________
Porland cement - lime - and sand
Zero (0)
2in
Portland cement stucco
36. What is ultimate stress?
Wider space in an otherwize narrow joint
Encase steel sections in concrete - OR use a Spray-applied fire protection and gypsum board facing
Stress at the point of failure
40 ft
37. In a brick veneer assembly with a steel stud backup wall - the design of studs is generally governed by
Water and resistant to puncture - tear - and abrasion
The deflection of studs to withstand lateral loads
Cold-formed and light structural steel members - in zinc coating
Within the plane of the veneer
38. 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...
In plane shear between the wall and the floor or roof deck
Shelf angle anchored to the structural frame of the building
Exposed aggregate finish by water washing - Abrasive blasting - acid etching
3000 psi
39. The Very middle one is called _____
Brick ledge
I Section
Psi - ksi - Pa - and GPa
False
40. In addition to water - stucco mix conists of...
Bed Joints
Porland cement - lime - and sand
L-shaped sheet metal or plastic element - that has a vertical leg that has openings to let the water out
Pipe Section
41. Ways to Protect structural steel from fire are...
Less than it's ultimate stress
Encase steel sections in concrete - OR use a Spray-applied fire protection and gypsum board facing
7 in
Each course Consists of alternate headers and stretchers
42. strongbacks can
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183
43. a 20-ft high column shortens by 0.6 in. under a load. What is the resulting strain in the column?
0.0025
In plane shear between the wall and the floor or roof deck
Barrier walls
Is the Specified dimension plus one mortar joint thickness
44. A bond beam in masonry bearing wall building must be a...
Molded bricks
The ground-floor slab of the building is too small to accommodate the precasting of all the walls
Reinforced-concrete or reinforced masonry beam
Extruded bricks that have through-through hols.
45. During the time that the Empirical rules where in use - What is an important reason for progressively increasing wall thickness?
Vertical
Support Pylons
4 to 6 ft
To ensure stability against overturning by wind loads
46. The Vertical Lines that are not connected to Beams are called ____
5 in
Depth of the joist in inches
T section
Joists
47. Water-resistant exterior walls may be divided into three types What is one of these?
Ties are generally not provided in a concrete wall
Walls with overhangs
Exterior cladding - Air space - Flashing - Water resistant backup - and weep holes.
Gravel
48. two types of facotry-blended mixes for this finish coat are available - name some
A ductile material
Reinforced concrete wall - CMU wall - wood or steel stud wall
Chairs
Plortland cement-based mix
49. the anchors used in GFRC panels are typically
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.
Expanded metal lath
3/8 greater than the multiples of the masonry unit module.
One piece anchors
50. The grade of A992 yields strength of ____ksi
50
Electric Arc Furnace
Iron ore and coke are mixed together in a Furnace
Two piece anchor - or which one is embedded in CMU backup and the other is embedded in the Veneers mortar joint