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