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CET 120 Questions and Answers 100%
Solved
The Construction Manager is hired by this entity?
The Gen. Contractor
In a DBB project method, the gen. Construction contract is between:
the contractor and the owner
When there is a dispute between the specs and the drawings, what is the proper way to settle the dispute
The A/E should intrepret
CSI Masterformat Div 1 sections apply broadly to the execution of the work of all the other sections of the specs
True
A subcontractor is obligated to the prime contractor in the same manner as the prime contractor is obligated
the owner
What is the relationship between A/E and contract in a dbb project delivery method?
There is no contractual relationship
In a DB project method, the owner develops a program and has one contract with a single entity to design and construct the project
True
Inspections required by authorities having jurisdiction shall be obtained by the:
Contractor
Which project delivery method defines the con. Manager as an independent advisor to the owner
Construction management
Who is required to protect stored materials?
the contractor
A particular material may be indicated several times on the drawings but is specified in how many locations:
There is only "One" location
Who is required to have a program for project site safety?
the contractor
Reinforcing steel is placed in typical concrete slabs to resist _______.
Tensile stresses
60 to 75% of the vol. Of concrete is?
Aggregate
The chemical reaction b/w Portland cement and water is known as...
Hydration
What is the purpose of welded wire fabric in a concrete slab on grade?
Project conception-facility management
T or F: Compacted soil has less levels of cohesion than bank soil
False
The two principal causes of settlement are lateral displaced of supporting soil and.?
Reduction of the volume of soil
In the ASTM system, soils are classed broadly as being either..
Granular or cohesive
For sloping and benching, Class C solid will have the ___ angle from horizontal?
The greatest
On the reinforcing steel bar, identify the number at "e."
Grade of steel
What effect does adding lime to mortar have on the workability of the mortar?
Adding lime increases workability
Assuming that the quantities of other ingredients are fixed, what is the relationship b/w the compressive strength of mortar and its water content?
As water content increases, compressive strength decreases
What is the relationship, if any, between the shade of mortar color and the timing of tolling the mortar?
Tooling the mortar when it is relative hard gives it a darker shade of color than tooling it when it is relatively soft
What mortar type is suitable only for general interior use in non-load-bearing masonry?
a. Type "O" mortar
What concrete block is in the shape of a "U"?
Lintel block
What are the size limits on the cavity of a cavity masonry wall?
2"
Lab tests and field observations of masonry indicate that mortar need fill..
the entire joint
Identify the locations where flashing should be installed in masonry construction.
at the bases of walls, under sills of wall openings, over heads of wall openings, where masonry penetrates a roof
Identify the devices at "a."
Reinforcing
See the diagram
Identify the mortar joint at "b."
"Vee" shaped mortar joint
Identify the mortar joint at "d."
Flush Joint
Identify the mortar joint at "e."
Struck Joint
Identify the unit at "b."
Stretcher
Identify the unit at "c."
Bed Joint
Identify the unit at "e."
Wythe
Identify the unit at "f."
Head Joints
a salt
In specifications iron-based alloys are often referred to by the generic name...
ferrous metals
What metal coats steel that is galvanized?
zinc
Identify the connection system which is usually most appropriate for moment connections in structural steel
welding
Identify the methods for making a conventional steel frame rigid.
diagonal bracing, shear panels, moment connections
Steel and iron used in the construction industry get their strength and hardness from carbon.
True
What is CSI Master Format Division 6 about?
Wood, Plastics
Masonry units used as a facing material without using their load-bearing properties is called?
Veneer
Which is not a category of softwood framing lumber?
Siding
Hardwoods account for ____% of total lumber production?
Today most particle board is called OSB. (T or F)
True
Yard lumber is generally intended for ordinary construction and general building purposes. (T or F)
True
T or F: Tongue & grooved plywood is used to eliminate the need for blocking at joints.
True
T or F: Knots reduce the strength of lumber used for structural purposes.
True
Carbon steel has poor resistance to corrosion. (T or F)
True
Veneers are considered lumber. (T or F)
False
Wood is strong in tension perpendicular to the grain. (T or F)
False
Each layer of plywood is parallel to adjacent layers for strength and stiffness. (T or F)
False
Concrete and Steel have a similar coefficient of Thermal Expansion
At what ___% relative humidity is air said to be saturated
100%
Measurement of the amount of water vapor in air
Relative humidity
Change from vapor to liquid
condensation
Transition from ice directly to water vapor
Sublimation
Temperature at which saturation occurs
Dew Point Temperature
Change of liquid to a gas
evaporation
What air holds more water vapor?
Warm Air
T or F: Effective temp. is an arbitrary index that combines into a single value the effects of temp., humidity, and air movement on the sensation of warmth or cold felt by human body.
True
Interior spaces that require exhaust fans
a. Shower room b. Kitchen c. Laundry d. Bathroom
What can a house wrap provide?
It can provide a continuous barrier against air and water pollution, while allowing moisture vapor to escape
Exfiltration
Air leakage
Moisture can be removed from the air by:
Ventilation or Dehumidification
Types of vapor retarders.
a. Aluminum faced paper b. Plastic Membrane c. Asphalt laminated paper d. Metallic Foil e. Metallic Membrane f. Insulation w/vapor resistance
T or F: vapor retarders are often omitted from walls and roofs in zone III
True
T or F: In slab on grade construction, heat loss to the ground is very significant, follow by the slab perimeter
False
