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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. IF the bottom piece was extended what would we call it?
Prevent the buckling of longitudinal column bars
where soil is not strong.
Concave
Lug
2. A connection between a floor or roof and a wall must be adequate to sustain the 3 forces What is one of these forces?
2in
Gravity load from the floor or roof deck to the wall
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.
5 in
3. The The Fourth Arrow is Pointing at
Lug
Column Footing
Extruded bricks that have through-through hols.
W - S - HP - M
4. What is the priority of a girder - beam - and joist floor in order.
1. Girder-primary 2. Beam-secondary 3. joist-tertiary
Harsh climates - where onsite masonry and concrete construction are problematic due to freeze hazard and slow curing rate of Portland cement.
Failure stress / allowable stress
Expanded metal lath
5. In a steel fram building - the secondary framing member for a roof or floor generally consist of ____ and ____
Molten Limestone that floats over molten Iron
W-shaped beams - Steel joints
Pre-tensioned concrete
That the thickness of exterior masonry walls progressively increase toward the lower floors.
6. A bond Beam is provided at ______
Masonry walls without virtical reinforcement.
2
Each floor level and roof level in all exterior walls and at all interior bearing walls ans shear walls.
Highly Crosive - Extreme
7. A connection between a floor or roof and a wall must be adequate to sustain the 3 forces What is one of these forces?
Electric Arc Furnace
Continuous Stip footing
In plane shear between the wall and the floor or roof deck
Type S
8. What is the formula for stress?
Capillary break
2 1/2 hours of the initial preparations of mortar
Exterior cladding - Air space - Flashing - Water resistant backup - and weep holes.
stress=force/area
9. the most commonly used strength of concrete for tilt-up
4000 psi
Steel pipes
3/8
Alkali resistant
10. What are some Disadvantages to using Steel and Joists and Joist Girders?
Wider space in an otherwize narrow joint
Concrete hollow-core slabs - metal deck - or wood deck.
Greater Floor to Floor height - COncentrated Loads - Complex layout floor and roof frame - and Fire protection
Comressive Strength = load at failure / area = ksi or psi
11. The GFRC skin is typically
At each floor level and roof level
1/2 to 3/4 thick
Lighter weight
Out of Plane shear between the wall and the floor or roof deck
12. The material in an arch is primarily in _________
Is the Deposit of white substance on a masonry wall
Compression
Electric Arc Furnace
Flexible - durable - resistance to UV radiation.
13. A drip mechanism at the underside of a projecting horizontal surface counters the effect of...
The time between the end of concreting and the removal of the forms
Surface tension
Zero (0)
Reservoir
14. Site cast concrete slabs can be one of two types What are they?
No. 3 or No. 4 bars
4000 psi
Ground-Supported Slabs - Elevated Slabs
The contained molds in which the concrete is cast
15. Wicks or Tubes need a spacing of ____ to go with open-head joints
16 in
Reinforced-concrete or reinforced masonry beam
8
Elevated Slabs
16. The chairs used for supporting reinforcing steel bars are generally
Individual elements - tha do not have continuity to resist diaphragm tension - and are anchored to to masonry beams.
Zinc
Longitudinal bearing Wall Plan.
Plastic - and Steel chairs with plastic-coated feet
17. Pretensioned concrete & tensioned concrete have ______ stress
Spraying the mix over a mold
Reduced cracking in concret - and reduction in the dimensions of stuctural members
Thermal Mass
same
18. Rest on and are part of the structural frame of the building - they are used for 2nd and higher floors.
A special electric wrench is used that induces a predetermined torque bolt
Elevated Slabs
Bearing connection
8 and 30 in
19. Three differenet types of cleaning Concrete surfaces is...
Exposed aggregate finish by water washing - Abrasive blasting - acid etching
4000 psi
General contractor
MOre Crrosive Enviroment - Hot
20. What is the First arrow point at?
HHS
Average annual freezing cycle days - and average annual winter rainfall of the location
The time between the end of concreting and the removal of the forms
Leveling Nut
21. The form work used in constructing high-rse residential buildings in site-cast reinforced-concrete bearing walls generally consists of...
Where the concrete absorbs the heat from the day and slowly releases it during the night
Large - prefabricated - tunnel forms that allow walls and slabs to be cast simultaneously
Thermal Mass
Lighter Weight - Easier Erection
22. What is the maximum height for a storefront window system?
The Horizontal members of this image for formwork is called ______
Angle section (L)
10-13 feet.
3/8 greater than the multiples of the masonry unit module.
23. The most common used 28 day strength of concrete of PC curtian wall panels is ______
Greater Floor to Floor height - COncentrated Loads - Complex layout floor and roof frame - and Fire protection
The time between the end of concreting and the removal of the forms
S50X30
5000 psi
24. ____________________ is gerneally preferred over filed welding?
field bolting of steel member
All sheet-steel components are fabricated by rolling and pressing the sheets into carious cross-sectional profiles at room temperature
Immediately above
4000 psi
25. Camber refers to...
Structural concrete fill
The connections between the walls and the floor or roof decks
Upward deflection of a beam to counter downward deflection by a dead load
Molten Limestone that floats over molten Iron
26. Ferrous Metals are...
Metals that contain Iron
3in
The Long part extending from the Foundation into the bed rock - as shown in this picture is called _____
Less than it's ultimate stress
27. _______ is the Most important Ferrous Metal
Steel
Open Headed joint
125psi
Metals that do not contain Metals
28. Pretensioning is generally done at precaster's plant and yeilds a precast - prestressed concrete member.
Type N
Low-rise buildings generally up to 50 ft
Deck that the load is transferred to all four walls - and are generally of site-cast concrete.
True
29. What is the formula for strain?
2 1/2 in
Expanded metal lath
A plastic cone and a loop at each end.
=change in length/original length
30. Unfinished bolts are made from
Zero (0)
Residential
Carbon steel
1kip=1000psi
31. Hot-dipped galvanized the steel member is immersed in a kettle of molten _____
All sheet-steel components are fabricated by rolling and pressing the sheets into carious cross-sectional profiles at room temperature
Zinc
Steel
Pink
32. In a Flemish-bonded wall
Each course Consists of alternate headers and stretchers
Vertical reinforcing bars
Upward deflection of a beam to counter downward deflection by a dead load
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
33. Bricks that have core holes are ____
HHS
Extruded Bricks
1kip=1000psi
Weak in shear
34. In a multisory building - shelf angles are typically used at...
Strip Footing
Each floor level
Iron ore and coke are mixed together in a Furnace
Column Footing
35. Water-resistant exterior walls may be divided into three types What is one of these?
Mildly
Gravity load support to the veneer
Stretcher Face
Drainage Walls
36. What is the maximum height for a storefront window system?
3000 PSI
1/2 to 3/4 thick
Brown coat
10-13 feet.
37. Slagwool is _____
4 to 6 ft
Noncombustible and is similar to fiberglass - manufacture of insulation.
EAF - OHF - BOF
Open - vertical mortar joint in the veneer.
38. The important feature of an Exterior drainage wall is...
Thermal Mass
Some interior concrete slabs-on-ground
Exterior cladding - waterproffing of the backup wall - flashing - weep holes
At foundation level - over a lintel angle - over a shelf angle - under a window sill.
39. Retempering of mortar - if needed - should be generally done within
Two terminals of high-voltage electric circuit are brought close together and creating a sutained spark across the space between the terminals
K-series - LH series - DHL series
Gas or arc
2 1/2 hours of the initial preparations of mortar
40. The concrete tilt-up wall construction system is generally used in...
The courses alternate between headers ans stretchers
every floor
The size of the masonry that the manufacture would like to achieve.
Low rise building 1 to 4 stories
41. A tube is referred to as a ____
Each course consists of Strechers
HHS
stress=force/area
Its strenth-to-weight ration is high - which reduces the weight of forms and shores.
42. S-Shape is also called ____
A single wythe of brick (usally 4in nominal thickness)
8 and 30 in
American Standard Shape
Acrylic polymer-based mix
43. The simplest and most effective weep hols is a _____
Reinforced concrete or steel frame structure
Exterior cladding - Air space - Flashing - Water resistant backup - and weep holes.
Open - vertical mortar joint in the veneer.
3 in
44. The arrows next to the Column and the base plate are indications of what?
False
That it is welded
GFRC skin - a light gauge steel frame - anchors
Portland cement stucco
45. They provide a weakness in the slab at predetermined locations to force the slab to crak there and not somewhere else.
Out of Plane shear between the wall and the floor or roof deck
Control joints in concrete do what?
144^2 - 18ft.
W - S - HP - M
46. IF the bottom piece was extended what would we call it?
2in
Basic Oxygen Furnace
Lug
125psi
47. A cellular-type plane in multistory building is generally inherent in the following occupancy's?
A325
Wide-Flange section
Residential
2in
48. High-strength bolts have the same charterisitcs as ____
All sheet-steel components are fabricated by rolling and pressing the sheets into carious cross-sectional profiles at room temperature
A325
8 and 30 in
A single wythe of brick (usally 4in nominal thickness)
49. Mechanical couplers are used
Where lap splicing of reinforcing bars will produce excessive congestion
Low rise building 1 to 4 stories
40 ft
Reinforced concrete member
50. Strain Formula
At foundation level - over a lintel angle - over a shelf angle - under a window sill.
1. decking 2. membrane 3. insulation 4. flashing
E = Change in length / original length = d / L
stress=force/area