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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 the two benifits of pressing concret?
1in
Reduced cracking in concret - and reduction in the dimensions of stuctural members
Construction Joint
Open-Hearth furnace
2. Where the concrete absorbs the heat from the day and slowly releases it during the night
Thermal Mass
Wide-Flange section
Gravity load from the floor or roof deck to the 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.
3. Horizontal Bridging Members are ?
Stabilizing members that space across the joists
Concave
Heavier members and spans from column to column
Base Plate
4. How is a T section made?
True
Reinfocing bars are provided at the top and bottom of the beams
By Splitting I sections in half
Steel
5. The most important reason for providing ties in concrete wall is to...
windward face
Live end
Ties are generally not provided in a concrete wall
Solid unit
6. The I-section can be classified into four shapes. What are they?
T section
Device that consists of a mesh made of polymeric strands witch trap the droppings and suspend them permanently above the weep hole
W - S - HP - M
Tougher pg 617
7. The Two bottom Left ones are called _____
Water Proofing
Tube
Rigid Insulation and Roof cover
Pre-cast concrete hollow-core slabs
8. High-strength bolts have the same charterisitcs as ____
A325
3/8
Dead End
8 and 30 in
9. What is the First arrow point at?
The courses alternate between headers ans stretchers
Highly Crosive - Extreme
Leveling Nut
All exterior walls resisted the lateral loads individually
10. A joint screen is an
Psi - ksi - Pa - and GPa
Water and resistant to puncture - tear - and abrasion
L-shaped sheet metal or plastic element - that has a vertical leg that has openings to let the water out
Perpendicular to the main axis of the building.
11. in a suspension bridge - Which member(s) is (are) in compression
Stress / strain = E
Ground-Supported Slabs - Elevated Slabs
Support Pylons
Hollow structural section
12. The width of an expansion joint is ___
Rigid Insulation and Roof cover
Portland cement stucco
Is the Specified dimension plus one mortar joint thickness
3/8
13. Rasping is what?
Sanding smooth the insulation boards for EIFS
4000 psi
Live ends
True
14. What is the first thing a contractor does at a construction site?
Compressive strength and Flexural tensile bond strength
excavation
Grouted Space
field bolting of steel member
15. A doubly rienforced beam is one in which
Isolation Joints
Reinfocing bars are provided at the top and bottom of the beams
A felexible connection that allows the ends of the beam to rotate under the load.
52-72
16. What is the yield stress of A36 steel?
Angle section (L)
3/8 in
At foundation level - over a lintel angle - over a shelf angle - under a window sill.
36 ksi
17. The structural behavior of a contemporary load-bearing masonry wall building is similar to that of...
A conventional wood light frame building
Longitudinal bearing Wall Plan.
144^2 - 18ft.
Electric Arc Furnace
18. The coping on a roof parapet is generally
S50X30
Sloped toward the interior roof
Rain-screen wall
False
19. The test specimens used for determining the compressive strength of concrete in the united states is a...
Cylinder measuring 6 inches in diameter x 12 in high
Getting Iron and Meling it - Then when the Ore is soft - Silica is beat out with a hammer
Dead End
Provide unifrom drying and firing of bricks
20. The minimum depth of a K-series joist is ___ and the Max is __
That it is welded
Leveling Nut
8 and 30 in
90 to 180 degress
21. TCA recommends a minimum slab thickness of _____ regarless of the loads
Reinforced-concrete or reinforced masonry beam
Type S
5 in
Construction Joint
22. In referring to a masonry wall as a reinforced masonry wall it is implied that the wall contains
Deck that the load is transferred to all four walls - and are generally of site-cast concrete.
Vertical reinforcing bars
Adding water to the mortar
Gravel
23. Diagonal bridging may be used as an alternative to horizontal bridging to...
That it is welded
stablize joists
Reinforced concrete wall - CMU wall - wood or steel stud wall
Lighter member that spans between the girders
24. The grade of A992 yields strength of ____ksi
A single 1/2 - 7 wire strand
Elastic
Carbon steel
50
25. The use of ______ concrete is customary
4000 psi
annealed glass
Lighter Weight - Easier Erection
True
26. What does HHS stand for?
Base Plate
Strands
Hollow structural section
Cinder Block
27. The minimum width of air space generally used between brick veneer and wood stud backup wall is...
1kip=1000psi
Greater than the cross-sectional area of the column
Each floor level
1in
28. What is one of the Empirical rules?
That the thickness of exterior masonry walls progressively increase toward the lower floors.
True
Ties are generally not provided in a concrete wall
I Section
29. Flashing must be accompanied by _____
Pre-tensioned concrete
False
Weep holes
Sanding smooth the insulation boards for EIFS
30. A connection between a floor or roof and a wall must be adequate to sustain the 3 forces What is one of these forces?
PB pg 703
Approximately equal to the combined cost of concrete and steel
In plane shear between the wall and the floor or roof deck
Mock-up
31. The face of the PC wall panels should not be less than ____ thick
Rigid Insulation and Roof cover
Supported by - and anchored to - the buildings structure
Pieces sticking out away from the columes
1in
32. G120 is for ____ corrosive enviroment
laminated glass - so that glass shards don't rain down death.
EAF - OHF - BOF
Highly Crosive - Extreme
7 in
33. Diagonal bridging may be used as an alternative to horizontal bridging to...
Lighter weight
3/8
32 in on center and not more than 18 in vertically
stablize joists
34. The most important reason for providing tires in concrete conlumn is too
Water Proofing
30ft
Prevent the buckling of longitudinal column bars
A plastic cone and a loop at each end.
35. Strain Formula
The deflection of studs to withstand lateral loads
Reinforced-concrete or reinforced masonry beam
2 in
E = Change in length / original length = d / L
36. The Top Left hand Corner is a ____ Beam
Upward deflection of a beam to counter downward deflection by a dead load
AISC Type II Connection
Cross bearing Walls plane
Angle section (L)
37. Ways to Protect structural steel from fire are...
Isolation Joints
Pre-cast concrete hollow-core slabs
1. Girder-primary 2. Beam-secondary 3. joist-tertiary
Encase steel sections in concrete - OR use a Spray-applied fire protection and gypsum board facing
38. Which gives greater warning before failure - a brittle or ductile material?
A ductile material
Vertical
Either tension or compression
30ft
39. The coping on a roof parapet is generally
Sloped toward the interior roof
Barrier walls
3/8
American Standard Shape
40. Arch welding is where
True
Two terminals of high-voltage electric circuit are brought close together and creating a sutained spark across the space between the terminals
Connected members have been bolted together using spud wretch with the full force of a person
stress=force/area
41. Wicks consist of...
Cotton ropes - that absorb water from the airspace by capillary action and drain it to the outside.
Within the plane of the veneer
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.
42. Effloresecence
Prevent the buckling of vertical reinforcement in columns
Individual elements - tha do not have continuity to resist diaphragm tension - and are anchored to to masonry beams.
Construction Joint
Is the Deposit of white substance on a masonry wall
43. Water-resistant exterior walls may be divided into three types What is one of these?
25 ft and not more than 10 ft from the walls corner
Force / Area
Barrier walls
3000 psi
44. A wall footing is also called _____
The Long part extending from the Foundation into the bed rock - as shown in this picture is called _____
Extruded bricks that have through-through hols.
Strip Footing
Composite
45. Plain-Masonry walls are _______
Masonry walls without virtical reinforcement.
4 to 6 ft
The time between the end of concreting and the removal of the forms
Barrier walls
46. Shelf angles are...
4000 psi
windward face
Columns
Supported by - and anchored to - the buildings structure
47. The Term prestressed concrete refers to both pretensioned and posttensioned concret
The size of the masonry that the manufacture would like to achieve.
Collect and channel any water that gets into the air space back to the exterior
Composite
True
48. W-Shape is also called _____
High-treated carbon steel
W-Shaped Columns and Beams
Wide-Flange section
18'
49. When a cable or rope is compressed by a force - What is the compressive stress i it?
144^2 - 18ft.
Zero (0)
7-5/8x7-5/8x15-5/8
A single 1/2 - 7 wire strand
50. List the Mortar types from greatest Comprssive strength to The lowest compressive strength
8
M -S -N -O
Lighter Weight - Easier Erection
1in