TCM Test 1
What CSI division contain technical information on Structural Steel.
05
Which of the following maximum aggregate size is incorrect?
1/2 of the column width
Mortar occupies about ___ % of wall area.
20%
Vertical control joints, spaced at ___ times the thickness of the wall, can be formed in the wall to organize and conceal shrinkage cracks.
24 to 30 times
Which of the following is not a common material used in a lintel in a CMU wall?
2x6 dimensional lumber
According to the US Green Building Council, what percentage of the worlds energy use and greenhouse gas emissions can be attributed to buildings?
30-40%
When using modular brick to build 10' wall, what is the number of courses?
45
What is the normal lift range in inches stated in the documents for attaining the specified density percentage when compacting structural fill?
6-12
What does AFF stand for?
Above Finished Floor
Which of the following admixture is usuallly used in cold weather?
Accerlators- speed setting
Which of the following statements are incorrect?
All forms are temporary structures
Which of the following is not an example of a legal constraint an architect/engineer might face when designing a building?
Cost References
A contract is entered into whereby the design and scope are undefined and the Owner agrees to pay for all Direct Labor, Materials, Equipment plus some agreed upon allowance to the Contractor for their services. What is this type of contract called?
Cost-Plus
Bricks are classified as solid masonry if cores do not exceed 15% of cross-sectional area. True or False?
False
Depending on conditions, concrete can be placed up to 100 minutes after mizing commences. True or False?
False
If the cement content in the mix increases, the strength and workability of mortar increase. True or False?
False
Piles or caissons are shallow foundations.
False
Reinforced concrete was developed in 1750s. True or False?
False
Sloped or benched excavation is more expensive than sheeted excavation. True or False?
False
Tensile strength of concrete is about 20%-25% of its compressive strength. True or False?
False
The largest concrete dam in the world is Hoover Dam. True or False?
False
Which of the following is not the advantage of concrete?
Forms are required to shape concrete
In the concrete work, typically engineering design of this is the responsibility of contractors.
Formwork
Which of the following soils is considered cohesionless?
Gravel
The LEED system deals with:
Green bulding design and construction
What is the chemical reaction called when Portland Cement is mixed with water?
Hydration
Reinforcing steel and concrete are very compatible. Which of the following is untrue?
Individually, each has a very strong high allowable tensile strength
Which of the following masonry components are used over openings in block walls to carry the load around the opening?
Lintels
Which of the following is not an advantage of masonry construction?
Masonry must be built upon a strong foundation to avoid settling and cracking
Which of the following foundation requirements is incorrect?
Must resist lateral load to superstructure such as wind load
Which of the following systems is designed to carry the vertical load of the structure?
Piling
Which of the following is not a role of contractors?
Produce Contract Documents
Liquefaction is more likely to occur in loose to moderately saturated granular soils with poor drainage, such as silty sand or sands and gravels. True or False?
True
Slump test measures workability of concrete. True or False?
True
The most commonly used mortar join thickness is 3/8 inches. True or False?
True
Where the soils directly below the building substructure are weak, or unstable, deep foundations transmit building loads to deeper, more competent, soils. True or False?
True
A contract has been entered into whereby the contractor agrees to design, build, purchase the land and fiance the project. What is this type of contract called?
Turn-Key
You have performed the following visual inspection and manual test. How would you classify a soil that has the following properties? Visual Observations: Trench 6 ft deep. Soil Observation: Clay. Unconfined Compressive strength: 1.73 tsf. Surrounding Area and Trench Condition: an open field.
Type A soil
You have performed the following visual inspection and manual test. How would you classify a soil that has the following properties? Visual Observations: Trench 12 ft deep. Soil Observation: Angular Gravel. Unconfined Compressive strength: 112 tsf. Surrounding Area and Trench Condition: an open field.
Type B soil
The concrete used in precast concrete memners is generally?
Type III
___ is the process of strengthening and stabilizing the foundations of an existing building.
Underpinning
Which of the following systems is utilized for supporting an existing structure when the new excavation will be below the existing structures foundation while the extension to the existing foundation is being placed?
Underpinning.
Efflorescence that appears on the surface of a wall of brick,stone, or concrete masonry can be caused by:
Water-solube salts present in the mortar, brick, stone, or CMU
Which of the following is most closely associated with reinforcing steel?
Welded wire fabric
Which of the following is not a method of bracing vertical sheeting in a deep excavation?
Well points
___ are commonly used to depress the water table.
Well points
What is the maximum strength of normal concrete without any admixtures?
6000 psi
How many percent of coarse and fine aggregate make up the total concrete volume?
75%
Standard concrete block is a rectangular ___-inch unit and has___ inch difference with actual concrete block size because of mortar joint.
8x8x16, 3/8
Flashing used in masoncry components are continous, they may run around the perimeter of a building or between control joints and act as structural meners, and they can provide bearing for beams and joists?
Bond Beam
Which of the following is not a decorative CMU?
Bond-beam block
Master Format developed by the ___ is a numbering organization system based on materials and their uses to provide an outline for construction specifications, the written portion construction documents.
CSI
In what soils possible to dig vertical -walled excavation?
Clay
Which of the following are cohesive soils?
Clay
Steel sheet piling is used around a foundation being constructed in a river. this is known as a ___.
Cofferdam
Which of the following systems is designed as an enclosed structure to restrain soil and water, therefore, allowing workers to work inside safely?
Cofferdam
On your answer sheet, identify the mortar joint profile that is appropriate for use in outdoor walls that will be exposed to freeze/thaw conditons.
Concave joint
Anything involving CM
Construction Management
CSI is the acronym of what
Construction Specifications Institute
___ is vertical joints that seperate walls into sections and allow freedome of movement.
Control joints
Owner-A/E and GC subs under both
Design-build
Sequential Construction is most commonly associated with which of the following project delivery methods?
Design/bid/build
Which of the following is not a trend in the construction industry?
Design/bid/build
___ can be described by following. Owner develops a conceptual design or program. Next, using this conceptual information, a single design/build organization (entity) is selected to complete all remaining aspects of the project.
Desing/build
Segeration will likely occur during concrete placement if the concrete is...
Dropped from a substaintial height
___ is an accumulation of mineral and salts on masonry surfaces, such as brick, cement, and stone.
Efflorescence
What of the following is not a feature of specifications?
Quantity and Location
Which of the following is not about curing concrete?
Relatively very labor intensive process
This is always done two floors below the floor you are pouring (industry standard).
Reshoring
Which of the following systems is designed to restrain horizontal temporary loads such as soil and water?
Sheet piling
Welded wire reinforcing (WWR or WWF) is used primarly in ___ because of the ease of placement.
Slabs
All forms of slope support and excavation support must be braced against soil and water pressures as the excavation deepens. Which of the following is not a type of bracing?
Slurry Wall
___ is a retaining wall that is produced without the noise or vibration of the pile driving required for other forms of sheeting.
Slurry Wall
Lime is one of the constituents of general-purpose , mortars. This material increase three things but not the...
Strength
Which of the following is the msot related to water-cement ratio?
Strength
What does the picture below show?
Tilt-Up Construction
Using a ___ is very efficient approach to prevent accidents, such as collapse and cave-in.
Trench Box
15-story hotel is built in China over the course of six days which is soundproof, thermal insulated, and able to withstand a magnitude 9 earthquake. True or False?
True
Concrete roads costs more and last longer than asphalt roads. True or False?
True
For moisture control of a cavity wall, weep holes must be provided at the bottom of the outer wyth allow the cavaity to drain. True or False?
True
Foundations are classified in substructure. True or False?
True
In the mortat mix, the volume of sand ranges between 2 1/2 and 3 times the sum of the volumes of cement and lime. True or False?
True