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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. The primary purpose of steel reinforments is to increase the tensile strenth of concrete elements - however - steel reinforcments is also used to increase the shear strength and compressive strenght of concrete elements
Stiff
True
Square - rectangular or round
Steel Grade

2. In a running-bond wall
A992
1. decking 2. membrane 3. insulation 4. flashing
Each course consists of Strechers
It took the excess carbon in the moten pig iron and was converted to carbon dioxide by blowing oxygen through it

3. Compressive Strength Formula
Comressive Strength = load at failure / area = ksi or psi
20 ft
perpendicular
Barrier walls

4. Welding can be done by either ____ or ___ welding
structural frame
Simple Connection
1. decking 2. membrane 3. insulation 4. flashing
Gas or arc

5. What is the formula for stress?
stress=force/area
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
True
EAF - BOF - OHF

6. A connection between a floor or roof and a wall must be adequate to sustain the 3 forces What is one of these forces?
In plane shear between the wall and the floor or roof deck
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.
2
Compression

7. Hot-dipped galvanized the steel member is immersed in a kettle of molten _____
Within the plane of the veneer
Zinc
Cinder Block
Glass fiber-reinforced concrete

8. The I-section can be classified into four shapes. What are they?
A felexible connection that allows the ends of the beam to rotate under the load.
W - S - HP - M
Portland cement stucco
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.

9. The most water tight joint is ____
Sloped - thinner
Each course consists of Strechers
Metals that do not contain Metals
Concave

10. Repetitive floor planes are not only structurally more efficient but also _____
More easily constructable.
Cinder Block
Length - L - of unit
The time between the end of concreting and the removal of the forms

11. This CMU type resists water infiltration - one ways
7-5/8x7-5/8x15-5/8
Where the concrete absorbs the heat from the day and slowly releases it during the night
By functioning as a water reservior
Water Proofing

12. Name one of the types of foundations of tilt-up walls
Asymmetry
3/8 in
Continuous Stip footing
2 in

13. Generally - a Bond Beam is only _____ deep
General contractor
8
Noncombustible and is similar to fiberglass - manufacture of insulation.
Connections are tightened to a high tensil stress so that shear resistance is provided though fiction between the connect surfaces

14. The 'perfect' amount of carbon is from .01 to 1.7% - this metal is called ______
Capillary break
Fall within the range of loads spans that are common in buildings
Harsh climates - where onsite masonry and concrete construction are problematic due to freeze hazard and slow curing rate of Portland cement.
Steel

15. The Term Tendons includes Strands
A325
True
Stiff
Mid- to-high rise masonry bearing wall residential buildings

16. There should only be _____ gravity load connections - also referred to as bearing supports per panel located as near the columns as possible
connection beam flanges
24in
Adding water to the mortar
2

17. A Mortar capturing device in a brick veneer assembly is used
Immediately about a flashing
Reinforced concrete or steel frame structure
Providing a anomalous slope in the surface.
2 in

18. a backup wall is required in a...
Joists
Ground-Supported slabs area____
Angle section (L)
Veneer wall

19. K-series has a depth range of?
Strength of it - and weakens the strength of the wall.
8 in to 30 in
That it is welded
Where lap splicing of reinforcing bars will produce excessive congestion

20. Water-resistant exterior walls may be divided into three types What is one of these?
Walls with overhangs
Live ends
50
Soon as possible to allow rapid turnover and reuse of the framework

21. The use of ONe-way decks yields the following two types of bearing wall planes name one?
Cross bearing Walls plane
Exterior cladding - Air space - Flashing - Water resistant backup - and weep holes.
L-shaped sheet metal or plastic element - that has a vertical leg that has openings to let the water out
Stress / strain = E

22. The Top right hand Beam is called a
Live end
2 1/2 hours of the initial preparations of mortar
Its strenth-to-weight ration is high - which reduces the weight of forms and shores.
T section

23. Materials used for Formwork are___
Wood and Plywood - Steel - Aluminum - Glass Fiber
Residential
Alkali resistant
Control joints - Isolation joints - Construction joints

24. PT concrete is Also known as _______
The ground-floor slab of the building is too small to accommodate the precasting of all the walls
Flexural and Shear.
Pre-tensioned concrete
A sufficient number and adequate lengths of walls must be provided in both principal directions of a building

25. Use of the load bearing masonry wall system became extinct for a while and was revived
After World War 2
True
Metals that do not contain Metals
Some interior concrete slabs-on-ground

26. What is the bottom piece called?
Ground-Supported slabs area____
It took the excess carbon in the moten pig iron and was converted to carbon dioxide by blowing oxygen through it
Open - vertical mortar joint in the veneer.
Footing

27. StiffBacks
The Vertical lumber on this image of formwork is called ______
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.
1in
Upward deflection of a beam to counter downward deflection by a dead load

28. The required color of a stucco surface is...
Interegral to the mix of the finish coat pg 702
Floor decks
PB pg 703
Deck that the load is transferred to all four walls - and are generally of site-cast concrete.

29. in a simple three-member truss consisting of two rafters and a tie - each member is in...
5 in
Pieces sticking out away from the columes
Either tension or compression
Noncohesive Soils

30. Materials used for Formwork are___
Shores
Obtaining by welding two or more standard sections together
Wood and Plywood - Steel - Aluminum - Glass Fiber
A sufficient number and adequate lengths of walls must be provided in both principal directions of a building

31. The minimum required width of airspace between brick veneer and CMU backup wall is...
S50X30
2in
A36
To ensure stability against overturning by wind loads

32. in terms of water infiltration - the exterior walls in historical buildings functioned as
4000 psi
Molded bricks
Barrier walls
Residential

33. A drip mechanism at the underside of a projecting horizontal surface counters the effect of...
Surface tension
4000 psi
Getting Iron and Meling it - Then when the Ore is soft - Silica is beat out with a hammer
Comressive Strength = load at failure / area = ksi or psi

34. ____ are used to Support the Rebar up off pf the ground
Chairs
Stress at the point of failure
Low-rise buildings generally up to 50 ft
GFRC skin - a light gauge steel frame - anchors

35. Ways to Protect structural steel from fire are...
Pre-cast concrete hollow-core slabs
Hard coat EIFS
Immediately above the flashing
Encase steel sections in concrete - OR use a Spray-applied fire protection and gypsum board facing

36. in a suspension bridge - Which member(s) is (are) in compression
Support Pylons
8 in
2
structural frame

37. In what order are roof componants placed:
1. decking 2. membrane 3. insulation 4. flashing
A992
1/2 to 3/4 thick
Control joints in concrete do what?

38. During the time that the Empirical rules where in use - What is an important reason for progressively increasing wall thickness?
10-13 feet.
Workablity - water rentivity - and water tightness
Mildly
To ensure stability against overturning by wind loads

39. the most commonly used strength of concrete for the slab-on ground in concrete tilt- up wall buildings is...
5 in
4000 psi
Steel Joist Institute
A992

40. To protect reinforcment from corrosion - a minimum amount of concrete is ____
3 in
T section
3/5/8x2/1/4x7/5/8
Weep holes

41. The coping on a roof parapet is generally
1. Girder-primary 2. Beam-secondary 3. joist-tertiary
Vertical
Sloped toward the interior roof
AISC Type I Connection

42. A Steel angle used to support the weight of Brick veneer over an opening is called a...
Lintel angle
Tilt-up Concrete Association
Square - rectangular or round
Lug

43. A sufficient number of weep holes must be provided for the drainage of the air space - gernerally - a weep hole spacing of ____ is used with open head joints
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.
24in
Metals that do not contain Metals
excavation

44. _____ are generally kept at the construction site and become the basis for judgement of all panels produced by the precast plant
Mock-up
Elevated Slabs
No. 3 or No. 4 bars
Stabilizing members that space across the joists

45. Name one of the types of foundations of tilt-up walls
Support Pylons
A special electric wrench is used that induces a predetermined torque bolt
Elevated Slabs
Isolated pad footing

46. The primary purpose of longitudinal steel bars in a reinforced concrete beam is to overcome the weakness of concrete in ______
Tension
Cohesive
Approximately equal to the combined cost of concrete and steel
Floor decks

47. The Two bottom Left ones are called _____
Tube
Steel
Bolting the member and rightening them with a spud wrench using full force
Grade 50 steel

48. Steel decks are availiable in two catagories ___ and ____
I Section
Prevent the buckling of longitudinal column bars
Roof and Floor
5000 psi

49. Unfinished bolts are made from
Approximately equal to the combined cost of concrete and steel
Carbon steel
2in
A continuous concrete closure strip in the slab-on-ground.

50. In a cross-bearing wall structure - the load bearing walls are...
Perpendicular to the main axis of the building.
Gravel
AISC Type III Connection
Reinforced concrete wall - CMU wall - wood or steel stud wall