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ICC REINFORCED CONCRETE Final Code
Test- 60 Questions With Well Elaborated
Answers 2025.
GRADE A
An acceptable reinforcing steel support mechanism for a 24-inch deep footing are?
- precast dobie blocks
- large,solid pieces of glass
- masonry CMU pieces
- wooden blocks
Precast dobie blocks
all of the following are true except?
---Minimum concrete cover for bundled bars of any size need not be greater than 2 inches, unless they are in a member that's permanently cast against earth
---specified concrete cover for headed shear stud reinforcement shall not be less then the cover requirement for the member in which the stud reinforcement is located
---Concrete cover for the flexural members, walls, and compression members with an effective depth of 8 - inches can vary - 3/8 of an inch
---Concrete cover for members in highly corrosive environments will typically remain the same as cast against earth
Concrete cover for members in highly corrosive environments will typically remain the same as cast agonist earth
As a general rule, Lap splicing bar larger then NO.11 Is?
- not permitted
- permitted
- permitted if bars will be in tension within the structural member
- permitted only if bars are within a bundle
not permitted
before new concrete is placed, construction joints must be?
- blown free of dirt and debris
- wetted ,and standing water removed
- sand blasted
- treated with a bonding agent
wetted, and standing water removed
grade 60 reinforcing steel has an ultimate strength of?
90,000 psi
The__________may waive requirements for the employment of a special inspection agency if he/she finds that the construction is of minor nature.
Type II
Concrete containing pre-stressed tendons, embedded aluminum, or cast against stay in place galvanized steel forms shall not contain?
- lightweight aggregates
- pozzolans in excess of 5%
- fly ash in excess of 10%
- calcium chloride
calcium chloride
billet steel bars are marked by the letter_________on the bars.
S
Concrete exposed to water with low permeability requirements shall have a maximum w/c ratio of?
- N/A
The following is not allowed in concrete unless it is coated or protected from a reaction with other items in the concrete?
- calcium chloride
- schedule 20 pipes
- galvanized reinforced steel
- Aluminum
Aluminum
The last marking on a reinforcing steel bar is
- point of origin
- size
- type of steel
- minimum yield strength
minimum yield strength
The strength of an individual class of concrete shall be considered acceptable if the average of any three consecutive strength tests exceeds ______ and no individual test falls below ____ of f'c
- 2,500 psi, 80%
- the specified compressive strength, 75%
50 degrees, 3
The minimum temperature of concrete when placing into an 18-inch footing when the ambient temperature is 35 degrees during discharge is
- 40 degrees
- 45 degrees
- 50 degrees
- 55 degrees
50 degrees
The plane of separation between concrete placements that are resumed after existing concrete has hardened is defined as a
- construction join
- control joint
- expansion joint
- contraction join
construction joint
A hook for a #5 stirrup with a 90-degree bend shall have a minimum extension of:
- 2 - 1/2 inches
- 3 - 3/4 inches
- 4 db
3 - 3/4 inches
Vibration of cylinders is appropriate when given a slump of
- 1/2 inches
- 2 inches
- 3 - 1/2 inches
- 4 inches
1/2 inches
The tolerance for steel, placement in a 10"x10"x48" beam is?
- +/- 3/8 inch
- +/- 1 inch
- +/- 1/2 inch
+/- 1/2 inch
The maximum bar size bundled in beams is?
- (4) #7 bars
- #9 bar
- #10 bar
- #11 bar
The_________has the authority to issue stop work orders.
- owner
- engineer of record
- special inspector
- building official
building official
__________means that the special inspector is on the site at all times observing the work requiring special inspection.
- daily observation
- periodic observation
- continuous inspection
continuous inspection
________ portland cement provides high early strength when necessary.
- type III
- Type IA
- type IV
- type V
type III
when a high degree of sulfate resistance is required, portland cement __________ should be used.
- type II
- type III
- type IV
- type V
type V
specified compressive strength requirements shall be based on?
- compression test cylinders
- laboratory experience
- an approved mix design
- flexural beam samples
an approved mix design
beams, girders or slabs supported by columns or walls shall not be erected untill the concrete in the vertical members
- has hardened to 80% of the design f'c
- is stripped of forms
- has sufficient strength to support its weight and loads placed thereon
- is with 10% of the design f'c
has sufficient strength to support its weight and the loads placed thereon
- 60,000 psi
- 600,000 psi
- 6,000 psi
- 600 psi
60,000 psi
the tamping rod used in preparing a standard 6 x 12 field test cylinder shall be?
- 1 inch dia.
- 1/2 ich dia
- 3/4 inch dia
- 5/8 inch dia
5/8 inch dia
the end of the tamping rod shall be?
- rounded to hemispherical tip
- tapered
- flat
- sharpened to a point
rounded to hemispherical tip
the notation for specified compressive strength of concrete is?
f'c
a concrete mix containing of 150 gallons of water and 30 sacks of portland cement will produce a water cement ratio of?
pipes and conduits of aluminum shall not be embedded in structural concrete unless?
- coated or covered
- test are performed to demonstrate durability
- the pipe has a yield strength of 30 ksi
- they do not displace more than 4% of the placed concrete
coated or covered
the diameter of bend for a #4 tie shall be?
before placement in the forms
a column with #8 longitudinal reinforcement shall have lateral ties of at least?
- 6 - inch spacing
- #4 bar
- #3 bar
- A or C
#3 bar
bundled bars that terminate in beams must?
- terminate in the mid-span of the beam
- terminate at different points with a stagger of at least 40 db
- terminate at the end of the beam with a stagger of at least 48 db
- terminate prior to the connecting supporting element
terminate at differente points with a stagger of at least 40 db
According to the ACI 318, wall reinforcement shall not be spaced further apart than?
- 18 inches
- 24 inches
- three times the wall thickness
- A and C
three times the wall thickness
the minimum f'c used for structural concrete shall be a minimum of?
- 2000 psi
- 2,500psi
- 3,000psi
- 4,500psi
2,500psi
the minimum bend diameter required of a #4 stirrup with a 90 degree bend and an extension of 12 db at the free end of the bar is?
- 8 inches
- 6 inches
- 3inches
- 2 inches
2 inches
if the contractor is placing concrete into a 40-inch thick footing, the concrete must maintain a minimum temperature of __________ as mixed when ambient temperatures fall between 0 to 30 degrees fahreneit.
- 60 degrees
- 55 degrees
- 50 degrees
- 45 degrees
the standard hook for a 180 degree bend has
- 4 db extension at free end
- minimum 2 inch extension at free end
- minimum 2.5 inches extension at free end
- 4 db extension at free end, minimum 2.5 inches
4 db extension at free end, minimum 2.5 inches
immediately before placing fresh concrete against previously placed (hardened) concrete at a construction joint, the surface of the hardened concrete shall be?
- dried
- roughened
- coated with a bonding agent
- wetted and standing water removed
wetted and standing water removed
the slump flow test applies to?
- plastic concrete
- self-consolidating concrete
- Non-plastic concrete
- Concrete containing aggregate smaller than 3/
self-consolidating concrete
