WorksheetsStructural 2 (CTTO)
Total questions: 50
Worksheet time: 50mins
A structural system without complete vertical local carrying space frame
Braced frame
Bearing wall system
Rigid component
Concentric braced frame
A component including its attachments having fundamental period less than or equal to 0.06 sec
Braced frame
Bearing wall system
Rigid component
Flexible component
A component including its attachments having fundamental period greater than 0.60 sec
Braced frame
Bearing wall system
Rigid component
Flexible component
A complete record of test of materials and of concrete shall be available for inspection during the progress of work and ____ years after completion of the project and shall be preserved by the inspecting engineer or architect for that purpose
2 years
5 years
10 years
15 years
The minimum bend diameter for 10 mm Ø through 25 mm Ø bars
12 db
6 db
8 db
10 db
The minimum bend diameter for 28 mm Ø through 36 mm Ø bars
12 db
6 db
8 db
10 db
In spirally reinforced or tied reinforced compression members, clear distance between longitudinal bars shall not be less than?
2.0 db
2.15 db
1.50 db
1.75 db
In walls and slabs other than concrete joist construction, primary flexural reinforcement shall not be spaced farther apart than 3 times wall or slab thickness not farther than
375 mm
450 mm
500 mm
300 mm
Groups of parallel reinforcing bars bundled in contact to act as one unit shall be united to _____ pieces in one bundle.
4
3
2
5
Bars larger than _____ mm shall not be bundled in beams.
25 mm
16 mm
28 mm
36 mm
Individual bars within a bundle terminated within the span of flexural members shall terminate at different points with at least _______
12 db
10 db
50 db
40 db
Minimum concrete cover cast against and permanently exposed to earth
100 mm
75 mm
50 mm
150 mm
The minimum clear concrete covering for cast in place slab
20 mm
25 mm
40 mm
50 mm
In ultimate strength design, the strength reduction factor Ø for flexure without axial loads.
0.85
0.75
0.90
0.70
In ultimate strength design, the strength reduction factor Ø for shear and torsion
0.85
0.75
0.90
0.70
The minimum one way slab thickness which is simply supported at the ends only
L / 20
L / 24
L / 28
L / 10
The minimum one way slab thickness for a one end continuous slab
L / 20
L / 24
L / 28
L / 10
The minimum one way slab thickness for a both ends continuous slab
L / 20
L / 24
L / 28
L / 10
The minimum cantilevered slab thickness
L / 20
L / 24
L / 28
L / 10
Deep continuous flexural members has overall depth to clear span ratio greater than
0.40
0.60
0.75
0.70
Deep simple span flexural members has overall depth to clear span ratio greater than
0.40
0.60
0.75
0.70
Spacing of shear reinforcement placed perpendicular to axis of non-prestressed member shall not exceed
d / 2
d / 4
3/4 d
d / 5
Development length for deformed bars in tension shall be less than
300 mm
250 mm
200 mm
350 mm
An essentially vertical truss system of the concentric or eccentric type that is provided to resist lateral forces
Building frame system
Braced frame
Diaphragm
Collector
A horizontal or nearly horizontal system activity to transmit lateral forces to the vertical resisting elements
Building frame system
Braced frame
Diaphragm
Collector
A frame in which members and joints are capable of resisting forces primarily by flexture
Moment resisting frame
Ordinary braced frame
Truss
Eccentric braced frame
In the determination of seismic dead load with a minimum of _______ of floor live load shall be applicable for storage and warehouse occupancies.
50%
25%
30%
35%
The slope of cut surfaces shall be no steeper than ______ slope.
50%
60%
30%
40%
Before commencing the excavation work, the person making the excavation shall notify in writing the owner of the adjoining building not less than _______ days before such excavation is to be made.
15
10
30
60
Fill slopes shall not be constructed on natural slopes steeper than _____% slope.
50
10
20
60
The minimum distance that the toe of fill slope made to the site boundary line
0.80 m
0.60 m
1.50 m
2.00 m
The maximum distance that the toe of fill slope made to the site boundary
0.80 m
0.60 m
6.00 m
1.00 m
In using sand backfill in the annular space around column not embedded in poured footings, the sand shall be thoroughly compacted by tamping in layers not more than ____ mm in depth
500 mm
400 mm
200 mm
300 mm
In using a concrete backfill in the annular space around column not embedded in poured footings, the concrete shall have ultimate strength of __________ at 28 days.
30 Mpa
15 Mpa
10 Mpa
5 Mpa
When grillage footings of structural steel shapes are used on soils, they shall be completely embedded in concrete. Concrete cover shall be at least _____ mm on the bottom.
100 mm
200 mm
150 mm
Temporary open air portable bleachers may be supported upon wood sills or steel plates placed directly upon the ground surface, provided soil pressure does not exceed ______.
100 Kpa
50 Kpa
150 Kpa
200 Kpa
The minimum nominal diameter of steel bolts when wood plates or sill shall be bolted to foundation wall in zone 2 seismic area in the Philippines
10 mm
12 mm
16 mm
20 mm
The minimum nominal diameter of steel bolts when wood plates or sill shall be bolted to foundation wall in zone 4 seismic area in the Philippines
10 mm
12 mm
16 mm
20 mm
Individual pile caps and caissons of every structure subjected to seismic forces shall be interconnected by ties. Such ties shall be capable of resisting in tension or compression a minimum horizontal force equal to ____% of the largest column vertical load.
15%
20%
10%
25%
Such piles into firm ground may be considered fixed and laterally supported at _____ meters below the ground surface.
1.50 meters
2.00 meters
2.50 meters
3.00 meters
Such piles into soft ground may be considered fixed and laterally supported at _____ meters below the ground surface.
1.50 meters
2.00 meters
2.50 meters
3.00 meters
The maximum length of cast in place piles/bored piles shall be _____ times the average diameter of the pile
10
20
30
15
Cast in place/bored piles shall have a specific compressive strength of not less than _________.
17.50 Mpa
20 Mpa
15 Mpa
25 Mpa
Pre-cast concrete piles shall have a specific compressive strength of not less than _________.
17.50 Mpa
20 Mpa
15 Mpa
25 Mpa
The maximum spacing of ties and spirals in a driven pre-cast concrete pile center to center
75 mm
100 mm
125 mm
150 mm
Pre-cast pre-stressed concrete piles shall have a specified compressive strength of not less than ________.
20 Mpa
15 Mpa
25 Mpa
35 Mpa
The minimum outside diameter of pipe piles when used must be
300 mm
250 mm
350 mm
400 mm
Occupancy of aviation control towers
Special occupancy structures
Essential facilities
Hazardous facilities
Standard occupancy
Occupancy type of private garages, carports, sheds, agricultural buildings
Miscellaneous occupancy
Essential facilities
Special occupancy
Hazardous facility
Buildings used for college or adult education with a capacity of 500 or more students fall to what type of occupancy?
Miscellaneous occupancy
Essential facilities
Special occupancy
Hazardous facility
