Structural Preboard

1. Shear wall resist lateral force parallel to the face of the wall. What is best location of Shear Wall inside a high-rise building?

a. Surrounds the building

b. Both ends of the building

c. Surrounds elevator shafts

d. Anywhere

a. Surrounds elevator shafts

1. A design in which the tension capacity of the tension steel is greater than the combined compression capacity of the concrete and the compression steel. This design is more dangerous due to possibility of abrupt collapse in the reinforced concrete structure.

a. Working stress design

b. Balanced design

c. Under reinforced

d. Over-reinforced

a. Over-reinforced

1. Occupancies and structures necessary for surgery and emergency treatment areas.

a. Essential facilities

b. Hazardous facilities

c. Special occupancy

d. Standard occupancy

a. Essential facilities

1. This consists of the weight of all materials and other fixed or permanent loads including temporary and imposed loads, movable loads and occupants.

a. Dead Load

b. Live

c. Soil Pressure

d. Gravity Load

a. Gravity Load

1. A wall design to resist the lateral displacement of soil or other materials.

a. Shear wall

b. Bearing wall

c. Retaining wall

d. Exterior wall

a. Retaining wall

1. It is a horizontal or nearly horizontal system acting to transmit lateral forces to the vertical-resisting elements, including the horizontal bracing systems.

a. Diaphragm

b. Slab

c. Dual System

d. Scaffolding

a. Diaphragm

1. It is one in which the lateral stiffness is less than 70% of the stiffness of the story above.

a. Soft story

b. Weak story

c. Story drift

d. Story shear

a. Soft story

1. It is one in which the story strength is less than 80% of the story above.

a. Soft story

b. Weak story

c. Story drift

d. Story shear

a. Weak story

1. It is the secondary effect on shears, axial forces and moments of frame members due to the action of the vertical induced by horizontal displacement of the structure resulting from various loading.

a. After shock

b. Lateral deflection

c. Camber

d. P-Delta Effect

a. P-Delta Effect

1. It is an artificial stone derived from a mixture of properly proportioned amount of hydraulic cement, fine aggregates, coarse aggregates and water, with or without admixtures.

a. Reinforced concrete

b. Concrete

c. Precast concrete

d. Masonry

a. Concrete

1. A material other than aggregate, water, or hydraulic cement used as an ingredient of concrete and added to concrete before or during its mixing to modify its properties.

a. Inert materials

b. Accelerator

c. Waterproofing

d. Admixture

a. Admixture

1. The art and craft of building and fabricating in stone, clay, brick, or concrete block. It also refers generally to construction of poured concrete, reinforced or unreinforced.

a. Masonry

b. Concreting

c. Building construction

d. Fabrication

a. Masonry

1. Beam supporting materials above opening of windows and doors:

a. Girder

b. Girt

c. Tie Beam

d. Lintel Beam

a. Lintel Beam

1. It is the ability of a material to be stretch without failure.

a. Malleability

b. Elasticity

c. Creep

d. Ductility

b. Elasticity

1. The sharp bending or sharp buckling when a column is loaded heavily is called:

a. Sagging

b. Strengthening

c. Crippling

d. Elongation

c. Crippling

1. Usual failure of intermediate concrete column:

a. Rupture

b. Crushing

c. Buckling

d. Crushing and Buckling

a. Crushing and Buckling

1. In materials science, it (sometimes called cold flow) is the tendency of a solid material to move slowly or deform permanently under the influence of persistent mechanical stresses. It can occur as a result of long-term exposure to high levels of stress that are still below the yield strength of the material. Associated with high temperature.

a. Crack

b. Rupture

c. Yield

d. Creep

d. Creep

1. Reinforcing bars put in contact to act as a unit is called:

a. Temperature bars

b. Tendons

c. Bundled bars

d. Bottom bars

a. Bundled bars

1. A very common and important structural element, are constructed to provide flat, useful surfaces. It is a horizontal structural component, with top and bottom surfaces parallel or near so. The depth is very small compared to its span.

a. Diaphragm

b. Slab

c. Mat footing

d. Footing

a. Slab

1. The stirrups resist the vertical and diagonal tensions in a beam. What is the other function of stirrups?

a. Resist flexure

b. Hold longitudinal bars in place

c. Serve as temperature bars

d. Resist shrinkage

a. Hold longitudinal bars in place

1. Honey comb in concrete can be limited by the:

a. Use of admixture

b. Use of chemical

c. Use of concrete vibrator

d. Use of compactor

a. Use of concrete vibrator

1. Effects of earthquake is severe at the location of:

a. Near bodies of water

b. Ravines

c. Fault lines

d. Seismicity

a. Fault lines

1. Ties are used for what type of structural elements?

a. Slabs

b. Beams

c. Columns

d. Footings

a. Columns

1. What do you call a column that is not aligned to a lower floor column?

a. Planted

b. Eccentric

c. Floating

d. Unaligned

a. Planted

1. It is a method of prestressing in which prestressing reinforcement is tensioned before concrete is cast.

a. Pre-Tensioning

b. Post Tensioning

c. Precast Concrete

d. Prestressed Concrete

a. Pre-Tensioning

1. It is a frame in which beams, slabs, columns, and joints resist forces predominantly shear, and axial force; Beams or slabs are predominantly horizontal or nearly horizontal; Columns are predominantly vertical or nearly vertical.

a. Chevron

b. Dual System

c. Moment Frame

d. Building Frame

a. Moment Frame

1. The failure of a base when heavily loaded columns strike a hole through it is due to:

a. Flexural stress failure

b. Single shear failure

c. Punching Shear failure

d. Crippling

a. Punching Shear failure

1. The shear stress at the surface of a reinforcing bar which prevents relative movement between the bar and the surrounding concrete. It is also defined as the force adhesion per unit area of contact between two bonded surfaces is:

a. Bond stress

b. Axial stress

c. Hydrostatic Pressure

d. Adhesive stress

a. Bond stress

1. It is a reinforcement used in beams to resist shear and torsion stresses in a structural member; typically, deformed bars, deformed wires, or welded wire reinforcement either single leg or bent into L, U or rectangular shapes and located perpendicular to or at an angle to longitudinal reinforcement. For tied columns it is called "tie".

a. Stirrup

b. Tie

c. Development length

d. Crosstie

a. Stirrup

1. What is the temporary force exerted by a device that introduce tension into a pre-stressing tendons?

a. Jacking force

b. Pre-stressing force

c. Tensile force

d. Driving force

a. Jacking force

1. It is a concrete used for structural purposes, including plain and reinforced concrete.

a. Masonry

b. Reinforced concrete

c. Concrete

d. Structural concrete

a. Structural concrete

1. In geotechnical engineering, it is defined as the vertical movement of the ground, generally caused be changes in stresses within the earth. ... and is most likely to occur when increased vertical stresses are applied to the ground on or above soft or loose soil strata.

a. Settlement

b. Creep

c. Compaction

d. Densification

a. Settlement

1. The ability of soil to allow water to flow through it.

a. Permeability

b. Seepage

c. Capillarity

d. Osmosis

a. Permeability

1. Slump test is done in fresh concrete in order primarily to determine:

a. Workability

b. Water content

c. Elasticity

d. Rigidity

a. Workability

1. This has the effect of delaying the onset of hardening and reducing the rate of hydration process in concrete:

a. Additives

b. Accelerator

c. Air entraining agent

d. Retarder

a. Retarder

1. Inert materials in concrete which occupy more than 75% of the volume of the hardened concrete:

a. Crushed Rocks

b. Sand

c. Gravel

d. Aggregates

a. Aggregates

1. The wall that supports vertical loads:

a. Load-Bearing wall

b. Shear wall

c. Retaining wall

d. CHB wall

a. Load-Bearing wall

1. It is a formed, sawed, or tooled groove in a concrete structure to create a weakened plane and regulate the location of cracking resulting from the dimensional change of different parts of the structure.

a. Contraction Joint

b. Construction Joint

c. Seismic Gap

d. Cold Joint

a. Contraction Joint

1. It is the length of embedded reinforcement required to develop the design strength of reinforcement at a critical section.

a. Development length

b. Dowel

c. Hook

d. Splice

a. Development length

1. It is a method of pre-stressing in which tendons are tensioned after concrete has hardened.

a. Pre-Stressed Concrete

b. Pre-Tensioning

c. Post Tensioning

d. Precast Concrete

a. Post Tensioning

1. It is a material encasing prestressing reinforcement to prevent bonding of the prestressing reinforcement with the surrounding concrete, to provide corrosion protection, and to contain the corrosion inhibiting coating.

a. Anti-rust

b. Shear cap

c. Sheathing

d. Cover

a. Sheathing

1. Working stress refers to the actual stress developed in a material under a given load; while the

maximum safe stress that a material can withstand is referred to:

a. Tensile stress

b. Total stress

c. Flexural stress

d. Allowable stress

d. Allowable stress

1. It is the stress induced as a result of restrained deformations due to change in temperature:

a. Thermal stress

b. Strain

c. Creep

d. Yield stress

a. Thermal stress

1. It is a continuously wound reinforcement in the form of a cylindrical helix.

a. Lateral ties

b. Crossties

c. Longitudinal bars

d. Spiral reinforcement

d. Spiral reinforcement

1. A point within a beam or column where no moment is developed and a point of a curve at which a change in the direction of curvature occurs, is called:

a. Midpoint

b. Inflection Point

c. Point of Zero Shear

d. Middle third

b. Inflection Point

1. A long wall or embankment built to prevent flooding from the bodies of water.

a. Retaining wall

b. Dam

c. Dike

d. Gabion wall

Dike

1. It is a form of bracing where a pair of braces located either above or below a beam terminates at a

single point within the clear beam span, is called:

a. Chevron

b. Diaphragm

c. Bracing system

d. Diagonal bracing

a. Chevron

1. It is an upright compression member with a ratio of unsupported height to average least lateral

dimension not exceeding of 3:

a. Pedestal

b. Column

c. Pier

d. Pile

a. Pedestal

1. It is a separation of an existing concrete slab from a new concrete slab or wall. A piece of expansion joint (usually ½" wide and made of cork or recycled fiber material) is placed against the existing concrete slab and when the new concrete slab is poured. This joint separates the two slabs.

a. Isolation joint

b. Construction joint

c. Seismic gap

d. Distance

a. Isolation joint

1. It is used to fasten together components of a built-up member, such as a plate girder, and to make

connections between steel members using fusion in a controlled atmosphere and requires more skilled

labor.

a. Bolting

b. Nailing

c. Splicing

d. Welding

d. Welding

1. Knot in woods or timbers are what type of defect?

a. Natural defect

b. Processing defect

c. Handling defect

d. Over drying defect

a. Natural defect

1. The minimum bend diameter for 10-mm through 25-mm-Ø deformed bars is:

a. 6db

b. 8db

c. 10db

d. 12db

a. 6db

1. The maximum spacing of spirals is:

a. 25mm

b. 40mm

c. 50mm

d. 75mm

d. 75mm

1. The strength reduction factor, Ø for flexure is:

a. 0.7

b. 0.75

c. 0.8

d. 0.9

d. 0.9

1. The minimum size of slab main reinforcement is:

a. 10mm

b. 12mm

c. 16mm

d. 20mm

b. 12mm

1. For One Way Slab, the ratio of Width to Length, m, is:

a. m < 0.5

b. m = 0.5

c. m > 0.5

d. m = 1.0

a. m < 0.5

1. For Two Way Slab, the Ratio of Width to Length, m, is:

a. m ≤ 0.5

b. m = 0.5

c. m ≥ 0.5

d. m = 1.0

c. m ≥ 0.5

1. The minimum reinforcement for tied column is:

a. 2-16mm Ø

b. 3-16mm Ø

c. 4-16mm Ø

d. 6-16mm Ø

c. 4-16mm Ø

1. The minimum reinforcement for spiral column is:

a. 2-16mm Ø

b. 3-16mm Ø

c. 4-16mm Ø

d. 6-16mm Ø

d. 6-16mm Ø

1. ASTM steel with yield stress of 36000 psi has a symbol of:

a. A36

b. A360

c. A48

d. A36000

a. A36

1. The thickness of one-way slab should never be less than:

a. 50mm

b. 75mm

c. 90mm

d. 100mm

d. 100mm

1. Slabs not exposed to weather and not in contact with the ground must have a minimum clear cover of:

a. 50mm

b. 40mm

c. 25mm

d. 20mm

d. 20mm

1. The Coarse Aggregates in concrete must be larger than but not to exceed nominal size prescribed in Section 403.4.2 of NSCP:

a. 3/16 size 1 inch

b. ¼ inch

c. 1inch

d. 2 inches

a. 3/16 size 1 inch

1. The strength of concrete at 28th day is 3000 psi. This value is the same as:

a. 17.5 MPa

b. 21 MPa

c. 20.67 MPa

d. 25.75 MPa.

c. 20.67 MPa

1. Grade 60 Steel-Reinforcement has a yield stress of 275.8 MPa. This stress is the same as:

a. 60 ksi

b. 20 ksi

c. 60 MPa

d. 60,000 MPa

a. 60 ksi

1. Shear and Torsion strength reduction factor Ø, is:

a. 0.7

b. 0.75

c. 0.85

d. 0.9

b. 0.75

1. ASTM Type I Cement is generally for:

a. General purpose

b. low-heat

c. high-early-strength

d. low hydration process

a. General purpose

1. No.8 deformed bar has a diameter of:

a. 10mm

b. 12mm

c. 20mm

d. 25mm

d. 25mm

1. Concrete cast against and permanently exposed to earth must a minimum concrete cover of:

a. 40mm

b. 50mm

c. 75mm

d. 100mm

c. 75mm

1. Lap splices for uncoated deformed bar or wire must not be less than the larger of 48db and___.

a. 100mm

b. 150mm

c. 200mm

d. 300 mm

d. 300 mm

1. Deformed bars larger than ___ mm should not be bundled.

a. 34

b. 36

c. 32

d. 38

b. 36

1. The minimum clear spacing between parallel bars in a layer shall be db but not less than ___:

a. 40mm

b. 50mm

c. 25mm

d. 100mm

c. 25mm

1. The maximum number of reinforcements for bundled bars is:

a. 2

b. 3

c. 4

d. 5

c. 4

1. A simply supported beam, L meters long, carrying a uniformly distributed load of w (N/m) throughout the span, has a maximum moment of:

a. 1/8 w L2

b. ½ wL

c. ½ w L2

d. w L2

a. 1/8 w L2

1. Minimum length of Class A lap for tension Lap Splices shall be ___, but not less than 300 mm:

a. ld

b. 1.5 ld

c. 2 ld

d. 3 ld

a. ld

1. Type of welding used to fuse metal studs or similar parts to other steel parts by the heat of an electric arc. At the end of the welded part the stud is equipped with a ceramic ferrule, which contains flux which also partly shields the weld when molten.

a. Electrogas welding

b. Stud welding

c. Electroslag welding

d. Submerged arc welding

b. Stud welding

1. Where can we stop pouring ready mixed concrete on beams if pouring cannot be done in one setting?

a. At L/2

b. At L/3

c. At the shear point

d. At the zero moment

b. At L/3

1. What do you call 2 or more materials that are combined together?

a. Laminated

b. Reinforced

c. Composite

d. Combination

c. Composite

1. What forces does a Curtain Wall resist?

a. Own weight

b. Wind Load

c. Earthquake Load

d. Own weight

d. Own weight

1. Web reinforcements that resist vertical and diagonal tensions in a beam and hold the main rebars in place.

a. ties

b. spirals

c. stirrups

d. temperature bars

c. stirrups

1. Will most likely fail due to buckling

a. Short column

b. Long column

c. Composite column

d. Planted column

b. Long column

1. Distance measured from extreme compression fiber to centroid of tension reinforcement, is:

a. eminent depth

b. effective depth

c. critical depth

d. nominal depth

b. effective depth

1. Loop of reinforcing bars or wires enclosing longitudinal reinforcement in tied columns.

a. stirrups

b. hoops

c. ties

d. spirals

c. ties

1. Element, usually vertical, used to enclose or separate spaces and also at times, serve as structural member.

a. wall

b. slab

c. column

d. rebar

a. wall

1. The Occupancy Importance Factor, Ip, is 1.0 except for the Hazardous Facilities and Essential Facilities, which is:

a. 1.0

b. 1.5

c. 2.0

d. 2.5

b. 1.5

1. Inert material that is mixed with hydraulic cement and water to produce concrete.

a. admixture

b. slag

c. aggregate

d. escombro

c. aggregate

1. In spirally reinforced concrete column, the clear spacing between spirals (pitch) shall not be larger than 75mm and shall not be less than:

a. 100mm

b. 75mm

c. 50mm

d. 25mm

d. 25mm

1. What is the method of introducing a jacking force in which tendons are tensioned after the concrete has hardened enough to sustain this temporary force?

a. Prestressing

b. Pre-tensioning

c. Post tensioning

d. Precasting

c. Post tensioning

1. What is the weight in kilogram of a 1-meter long No.4 deformed bar?

a. 1.584

b. 1.255

c. 1.005

d. 0.888

d. 0.888

1. The intensity of force per unit area is called:

a. stress

b. strain

c. impact

d. pressure

a. stress

1. This refers to the length of reinforcement or mechanical anchor or hook or combination thereof beyond point of zero stress in reinforcement.

a. development length

b. reinforcement length

c. end anchorage

d. prestress length

c. end anchorage

1. It is a 3-second gust speed at 10 meters above the ground in Exposure C and associated with an annual probability of 0.02 of being equaled or exceeded (50 year mean recurrence interval).

a. Basic Wind Speed

b. Annual wind speed

c. normal wind speed

d. critical wind speed

a. Basic Wind Speed

1. It is defined as displacement of one level relative to the level above or below it.

a. deflection

b. story displacement

c. story motion

d. story drift

d. story drift

1. Splices of deformed bars shall be staggered at least ____ and in such a manner as to develop at every section at least twice the calculated tensile force at that section but not less than 140 MPa for total area of reinforcement provided.

a. 500mm

b. 600mm

c. 700mm

d. 800mm

b. 600mm

1. It is a continuous reinforcing bar having a seismic hook at one end and a hook of not less than 90 degrees with at least a six-diameter extension at the other end. The hook shall engage peripheral longitudinal bars. The 90-degree hooks of two successive ties of this type, engaging longitudinal bars shall be alternated end for end.

a. stirrup

b. crosstie

c. splice

d. anchorage

b. crosstie

1. The minimum thickness required by Code for a solid Cantilevered Slab shall be the larger of 75mm and:

a. length/10

b. length/20

c. length/24

d. length/ 28

a. length/10

1. It is a permanent roofed structure attached to and supported by the building and projecting over public right-of-way.

a. Marquee

b. Mean roof

c. Canopy

d. Trusses

a. Marquee

1. For non-prestressed concrete the minimum concrete cover for beams and columns not exposed to weather and not in contact with the earth is:

a. 20mm

b. 25mm

c. 40mm

d. 50mm

c. 40mm

1. The minimum tie or hoop diameter for bundled bars is:

a. 6mm

b. 10mm

c. 12mm

d. 16mm

c. 12mm

1. For cast-in-place construction, size (diameter) of spirals shall not be less than ___ for 16mm through 32mm longitudinal bars.

a. 10mm

b. 12mm

c. 16mm

d. 20mm

a. 10mm