SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. BOF full name is _______
Heavier members and spans from column to column
24
Basic Oxygen Furnace
240 in =20ft
2. In a Flemish-bonded wall
Each course Consists of alternate headers and stretchers
Live ends
True
annealed glass
3. In a Typical sitecast reinforced Concrete structure - the cost of formwork and shores is...
Approximately equal to the combined cost of concrete and steel
2in
Zero (0)
24
4. The oldest Method is also called Turn-of-Nut methos is where...
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
Width - W - of Unit
Open - vertical mortar joint in the veneer.
Hollow structural section
5. Arch welding is where
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.
Two terminals of high-voltage electric circuit are brought close together and creating a sutained spark across the space between the terminals
Grade 50 steel
Masonry walls without virtical reinforcement.
6. The Top Left hand Corner is a ____ Beam
W-Shaped Columns and Beams
a nonmovement joint in a large concrete slab. It is used when concrete cannot be placed in on continuous operation.
Angle section (L)
3/5/8x2/1/4x7/5/8
7. A load-bearing wall structure works best when the floor plan of the building has
36 ksi
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
Steel Grade
As a structure that is made entirely of linear elements - columns and beams.
8. Is a nonmovment joint in a large concrete slab - and is used when the concrete cannot be placed in one continuous operation.
Noncombustible and is similar to fiberglass - manufacture of insulation.
After World War 2
Construction Joint
1. Girder-primary 2. Beam-secondary 3. joist-tertiary
9. An ideal pressure-equailzed drainage wall is also referred to as
Rain-screen wall
Approximately equal to the combined cost of concrete and steel
Failure stress / allowable stress
Out of Plane shear between the wall and the floor or roof deck
10. Suction that pulls wind driven rain into the airspace of a drainage wall takes place on the __________ of the wall
windward face
Reinforced concrete member
8 in to 30 in
Supported by - and anchored to - the buildings structure
11. PC curtain wall panels are removed from the form as____
Soon as possible to allow rapid turnover and reuse of the framework
A 100% solid unit
16'
Wide-Flange section
12. The anchors used to anchor the brick veneer to the backup wall are generally two-piece achors to allow differential movement between the veneer and the backup
EAF - BOF - OHF
Within the plane of the veneer
Pre-tensioned concrete
Scaffolding
13. In a steel column that rests on a concrete footing - the area of the bearing plate used is generally
2in
Greater than the cross-sectional area of the column
Cinder Block
Brick ledge
14. The units of modulus of elasticity are _______
Bolting the member and rightening them with a spud wrench using full force
That it is welded
Psi - ksi - Pa - and GPa
18 to 48 in
15. The Term prestressed concrete refers to both pretensioned and posttensioned concret
Head Joints
8 in
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.
True
16. Vertical Mortar joints are also called _____
Site cast concrete slabs
A ductile material
Head Joints
Strip Footing
17. Flashing in a drainage wall is a _____
Continuious waterproof membrane which provides a continuous barrior that originates at the backup wall and penetrates through air space and cladding
Roof and Floor
MOre Crrosive Enviroment - Hot
shear force=force/area
18. Shelf angles are...
4000 psi
Supported by - and anchored to - the buildings structure
Wood and Plywood - Steel - Aluminum - Glass Fiber
Unequal distribution of air pressure on the exterior of the wall and in the airspace between the cladding an d the backup wall.
19. PC curtain wall panels are removed from the form as____
2
Composite
Site cast concrete slabs
Soon as possible to allow rapid turnover and reuse of the framework
20. 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
Copper and stainless steel
Pipe Section
Isolation Joints
Some veneer walls
21. In a Multisotry steel frame building - the columns are generally spiced every ____ floors
Shores
2
Portland cement stucco
Residential
22. The Vertical Lines that are not connected to Beams are called ____
Joists
False
3/8
Wood and Plywood - Steel - Aluminum - Glass Fiber
23. The test specimens used for determining the compressive strength of concrete in the united states is a...
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.
Cylinder measuring 6 inches in diameter x 12 in high
Mild
Its strenth-to-weight ration is high - which reduces the weight of forms and shores.
24. Precast-concrete hollow-core slabs are most commonly used in____
Tunnel Form
Mid- to-high rise masonry bearing wall residential buildings
Wood and Plywood - Steel - Aluminum - Glass Fiber
Exterior cladding - waterproffing of the backup wall - flashing - weep holes
25. A Simple Connection is...
A Waffle Slab
Acrylic polymer-based mix
Plastic - and Steel chairs with plastic-coated feet
A felexible connection that allows the ends of the beam to rotate under the load.
26. What are some Disadvantages to using Steel and Joists and Joist Girders?
Immediately about a flashing
Sloped toward the interior roof
S50X30
Greater Floor to Floor height - COncentrated Loads - Complex layout floor and roof frame - and Fire protection
27. Wicks consist of...
More easily constructable.
Cotton ropes - that absorb water from the airspace by capillary action and drain it to the outside.
Lintel angle
2 to 4 ft
28. Stressing-end assembly is called a ____
Two piece anchor - or which one is embedded in CMU backup and the other is embedded in the Veneers mortar joint
Some interior concrete slabs-on-ground
Live end
True
29. The structural behavior of a contemporary load-bearing masonry wall building is similar to that of...
Shelf angle anchored to the structural frame of the building
Chairs
Force / Area
A conventional wood light frame building
30. Site cast concrete slabs can be one of two types What are they?
Ground-Supported Slabs - Elevated Slabs
SJI
Beams
Reinforced concrete or steel frame structure
31. What is the formula for strain?
1in
Pipe Section
=change in length/original length
Control joints - Isolation joints - Construction joints
32. A common type of Form Tie is ____
2
Snap Tie
A36
Extruded bricks that have through-through hols.
33. A 1 1/2 depression is commonly created in foundation to receive the first course of the veneer - What is the name of the ledge?
4 to 6 ft
To ensure stability against overturning by wind loads
Lighter Weight - Easier Erection
Brick ledge
34. The first coat of stucco is called...
Concave
W-Shaped Columns and Beams
Scratch coat
Depth of the joist in inches
35. A rigid Connection is also called...
AISC Type I Connection
2 in
20 ft
Reinforced concrete member
36. A bond Beam in a Masonry bearing wall building is required for structural reasons
Gauge number
where soil is not strong.
At each floor level and roof level
1. decking 2. membrane 3. insulation 4. flashing
37. The clear height of openings in a CUM wall is...
Harsh climates - where onsite masonry and concrete construction are problematic due to freeze hazard and slow curing rate of Portland cement.
3/8 greater than the multiples of the masonry unit module.
Favorably
where soil is not strong.
38. Steel floor decks are either form decks or ___________decks.
Parallel - wider
Deck that the load is transferred to all four walls - and are generally of site-cast concrete.
Composite
Obtaining by welding two or more standard sections together
39. Per ASTM standars - facing bricks are classiffied as Types FBS - FBX. amd FBA. Which of these types has the most stringent requirements for dimensional tolerance - chippage - and warpage?
Isolation Joints
FBX
A continuous concrete closure strip in the slab-on-ground.
Encase steel sections in concrete - OR use a Spray-applied fire protection and gypsum board facing
40. The Very middle one is called _____
I Section
Cotton ropes - that absorb water from the airspace by capillary action and drain it to the outside.
Walls with vertical reinforcement
Each floor level
41. Basic Oxygen Furnace did what?
2
Flexible - durable - resistance to UV radiation.
It took the excess carbon in the moten pig iron and was converted to carbon dioxide by blowing oxygen through it
Greater Floor to Floor height - COncentrated Loads - Complex layout floor and roof frame - and Fire protection
42. Materials used for Formwork are___
W-Shaped Columns and Beams
connection beam flanges
Wood and Plywood - Steel - Aluminum - Glass Fiber
Air tight
43. This type of form work has gained favor in constructing high-rise reinforced-concrete bearing walls structures
Upward deflection of a beam to counter downward deflection by a dead load
Tunnel Form
Lapped members - clamped together with specially made clamps - and screw-based metal assembly
All sheet-steel components are fabricated by rolling and pressing the sheets into carious cross-sectional profiles at room temperature
44. Wicks or plastic tubes have a diamenter of...
3/8
Beams and Columns
Is the Specified dimension plus one mortar joint thickness
Concrete hollow-core slabs - metal deck - or wood deck.
45. A wall footing is also called _____
That it is welded
Head Joints
3/5/8x2/1/4x7/5/8
Strip Footing
46. __________ are vertical supports used in the forming of concrete.
Shores
Zero (0)
Obtaining by welding two or more standard sections together
20 ft
47. Regarless of the type of footing - the bottom of panel is typically about ____ above top of the footing?
Some veneer walls
laminated glass - so that glass shards don't rain down death.
The courses alternate between headers ans stretchers
2in
48. What is ultimate stress?
Stress at the point of failure
Alkali resistant
25 ft in the field of the wall and 10 ft from a wall's corner.
4000 psi
49. The stress-strain diagram of ______ steel is nearly a straight line up to the yield point
Exposed aggregate finish by water washing - Abrasive blasting - acid etching
3/8 in
Mild
Stabilizing members that space across the joists
50. Twist-off Bolt method is...
Capillary break
A special electric wrench is used that induces a predetermined torque bolt
Steel
Plastic - and Steel chairs with plastic-coated feet