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Structural Reviewer
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Perguntas do quiz (60)
1is a failure mode characterized by a sudden
failure of a structural member subjected to
high compressive stresses, where the actual
compressive stress at the point of failure is
less than the ultimate compressive stresses
that the material is capable of withstanding.- ABuckling
- BFatigue
- CDeflection
- DTorsion
2It is a special plate girder consisting
of tees, plates, angles and
multiple web:- Abox girder
- Bhybrid girder
- CT-flange girder
- Dbridging
3This element at any transverse
cross-section of a straight beam is
the algebraic sum of the
components acting transverse to
the axis of the beam of all loads
and reactions applied to the
portion of the beam on either side
of the cross-section:- Aaxial force
- Bshear force
- Clateral force
- Dparallel force
4When the ratio of the short span to
the long span of a slab is less then
0.50, slab is a:- Aone-way slab
- Bslab on fill
- Ctwo-way slab
- Dcantilever slab
5The analysis of the stress, strain
and deflection characteristics of
structural behavior is referred to
as:- Aplastic analysis
- Bseismic analysis
- Cstructural analysis
- Dstress analysis
6This element at any transverse
cross section of a straight beam is
the algebraic sum of the moments
taken about an axis passing
through the center of the cross
section, of all the loads and
reactions applied to the portion of
the beam on either side of the
cross section:- Aexternal moment
- Bbending moment
- Creaction
- Dresisting moment
7Longitudinal beams which rest on
top chord, and preferably at the
joints of the truss:- Apurlins
- Bjack rafter
- Crafters
- Dgirders
8The minimum wall thickness of
Fireplace Chimneys with flue
lining as per National Building
Code:- A0.25
- B0.15
- C0.10
- D.20
9It is the general term applied for all
forces which act upon a structure
and anything else which causes
stresses or deformation within a
structure, or part thereof:- Aloads
- Bnone of the listed
- Creactions
- Dunit weights
10These members are inclined joists
used to support sloping roofs:- Aplates
- Bpurlins
- Crafters
- Dplanks
11The minimum thickness of the
Front and Side Walls of a Smoke
Chamber of a Fireplace as per
National Building Code:- A0.10
- B0.25
- C0.15
- D0.20
12This system consists of several
forces, the lines of action of which
are parallel:- Aparallel coplanar force
system - Bconcurrent force coplanar
force system - Cnon-coplanar force system
- Dgeneral coplanar force
system
- Aparallel coplanar force
13In bond stress, as the yield
strength of reinforcement fy is
increased, the allowable tensile
stress of the reinforcement, fs,
requiring the development of
higher bond stress or the need for
greater embedment lengths will:- Afail
- Bdecrease
- Cincrease
- Dequal
14A three dimensional structural
system without the bearing walls,
composed of interconnected
members laterally supported so as
to function as a complete self-
contained unit with or without the
aids of horizontal diaphragms or
floor-bracing system:- Abox system
- Bspace frame
- Cfreeform
- Dbraced frame
15Concrete slab should have a
minimum clearance of:- A20 mm
- B40 mm
- C15 mm
- D30 mm
16It is designed to resist lateral
forces parallel to the plane of the
wall:- Abearing wall
- Bcurtain wall
- Cgrade wall
- Dshear wall
17The section at which the moment
changes from positive to negative
is called:- Aneutral axis
- Binflection point
- Csection of zero shear
- Dmaximum moment
18In column, the ratio of its effective
length to its least radius of gyration
is called:- AMoment of Inertia
- BDevelopment length
- CSlenderness ratio
- DRatio and proportion
19A joint where two successive
placement of concrete meet is
called:- ATruss joint
- BContraction joint
- CConstruction joint
- DExpansion joint
20A quantity which measures the
resistance of the mass to being
revolved about a line is called:- ATension
- BTorsion
- CVariation
- DDeflection
2124.A wall which supports vertical loads
in addition to its weight without the
benefit of a complete vertical load
carrying space frame is called:- ARetaining wall
- BCurtain wall
- CShearing wall
- DBearing wall
22A type of concrete floor which has
no beam is called:- AFlat slab
- B2-way slab
- Cone-way slab
- DRibbed floor
2326.Any material changes in shape
when subjected to the action of a
force is called:- AReflection
- BDeflection
- CDeformation
- DAcceleration
24The maximum value of tension,
compression, or shear
respectively when the material
sustain without failure is called:- ABond stress
- BYielding stress
- CUltimate stress
- DWorking stress
25The greatest stress to which a
material is capable of developing
without a permanent deformation
remaining upon the complete
release of stress is called:- AAllowable stress
- BMoment of Inertia
- CBending Stress
- DProportional limit
26The measure of the stiffness of a
material is called:- AEffective length
- BProportional limit
- CStiffness ratio
- DRatio and proportion
27The failure in a base when a
heavily loaded column strikes a
hole through it is called:- AFlexural stress
- BPunching moment
- CPunching shear
- DSingle shear
28The deformation of a structural
member as a result of loads acting
on it is called:- AStrength
- BStrain
- CStress
- DDeflection
29The major horizontal supporting
member of the floor system is
called:- ARafter
- BGirder
- CPurlin
- DGirt
30Walls that support weight from
above as well as their own dead
weight.- ALoad-bearing walls
- BDead load
- CShoring walls
- DNone of these
31It refers to the occupancy load
which is either partially or fully in
place or may not be present at all is
called:- ALive load
- BDead load
- CConcentrated load
- DDistributed load
32The distance between inflection
point in the column when it breaks
is called:- ADevelopment length
- BCross-sectional area
- CEffective length
- DEquivalent distance
33The amount of space measured in
cubic units:- ANone of these
- BPerimeter
- CVolume
- DArea
34In formula e = PL/AE, E stands for:
- ATotal deformation,
- BElongation
- CEqual forces
- DModulus of elasticity
35A bended rod to resist shear and
diagonal stresses in a concrete
beam is called:- ABottom bar
- BStirrups
- CMetal plate
- Dtemperature bar
36Ratio of unit stress to unit strain:
- ARatio and proportion
- BMoment of Inertia
- CModulus of elasticity
- DSlenderness ratio
37An expansion joint’s adjacent parts
of a structure to permit expected
movements between them is
called:- AContraction joint
- BTruss joint
- CConstruction joint
- DConduction joint
38To find the volume of water in a
cylinder tank, multiply the area of
its base by its:- ADiameter
- BRadius
- CHeight
- DNone of these
39The most important component to
determine the strength of concrete
mix is:- ACement
- BSand
- CGravel
- DLime
40The ultimate strength of the
material divided by the allowable
working load.- AMaximum strength
- BStrength limit
- CSafety factor
- DNone of these
41The stress per unit area of the
original cross section of a material
which resist its elongation is:- AAllowable stress
- BTensile stress
- CFlexural stress
- DBending stress
42A beam that projects beyond one
or both its supports is called:- AOverhanging beam
- BContinuous beam
- CIntermediate beam
- DCantilevered beam
43The force adhesion per unit area
of contact between two bonded
surface is:- AAxial stress
- BBond stress
- CAllowable stress
- DFlexural Stress
44How is camber treated in steel truss 25
meters longer?- ACamber shall be approximately equal
to 1 % of the span - BCamber shall be approximately equal
to the dead load deflection - CCamber shall be approximately equal
to 0.8 % of the span plus 1/3 of the
dead load deflection - DCamber shall be approximately equal
to 0.5 % of the span plus 1⁄2 of the live
load deflection
- ACamber shall be approximately equal
45What is a design analysis requirement,
considered as a basis for the structural
design of buildings and structures, where
the total lateral forces are distributed to
the various vertical elements of the lateral
force-resisting system in proportion to
their rigidities considering the rigidity of
the horizontal bracing system or
diaphragm?- AShear and moment diagram
- BDistribution of Horizontal Shear
- CStability against overturning
- DHorizontal torsional moments
46Which of the following criterion precludes good
construction practice for conduits and pipes
embedded in concrete?- AConduits and pipes embedded in slab, wall or
beam shall not be larger in outside dimension
than 1/3 the overall thickness of slab, wall or
beam in which they are embedded - BReinforcement with an area not less than
0.002 times area of cross-section shall be
provided normal to piping - CConduit and pipes, with their fittings,
embedded within a column shall not displace
more than 5 % of the area of cross-section on
which strength is calculated - DConcrete cover for pipes, conduits, and fitting
shall not be less than 40 mm for concrete
exposed to earth or weather
- AConduits and pipes embedded in slab, wall or
47Which is NOT among the following
arrangement, a seismic requirement for
transverse reinforcement?- AMaximum spacing of hoops shall not
exceed 24 times the diameter of
the hoop bars - BMaximum spacing of hoops shall not
be eight times the diameter of the
smallest longitudinal bars - CMaximum spacing of hoops shall not
be more than d/4 - DThe first hoop shall be located not
more than 75 mm from the face of
the supporting member
- AMaximum spacing of hoops shall not
48How is a 90 degree bend standard look
for concrete reinforcement constructed?- A90 degree bend plus 10 db
extension, at free end of the bar - B90 degree bend plus 12 db
extension, at free end of the bar - C90 degree bend plus 6 db
extension, at free end of the bar - D90 degree bend plus 4 db
extension, at free end of the bar
- A90 degree bend plus 10 db
49Good high-strength-bolted connection for steel
should have the following physical characteristics for
good workmanship. Which in the following is NOT
ideal?- AHigh-strength-bolted parts shall fit solidly
together when assembled and shall not be
separated by gaskets or any other interposed
compressive material - BBolts tightened by means of calibrated wrench
shall be installed with hardened washer under
the nut or bolt head, whichever is the element
turned in tightening - CWhen assembled, all joints surfaces, including
those adjacent to the washer, shall be free of
scale, except tight mill scale, dirt and burns. - DSurface in contact with the bolt head and nut
shall have a slope of not more than 1: 10 with
respect to a plane normal to the bolt axis
- AHigh-strength-bolted parts shall fit solidly
50Two M.S. plates are to be welded
by end butt joint by a partial-
penetration groove weld. The
thicknesses of the plates are 16
mm. what is the minimum effective
throat thickness of the weld?- A6.0 mm
- B9.0 mm
- C7.5 mm
- D12.0 mm
51What is the minimum inside
diameter of a standard hook for
stirrups and ties for a 16 mm and
smaller in diameter?- A8 db
- B6 db
- C4 db
- D10 db
52What are piles at an inclination to
resist forces that are not critical?- AGuide piles
- BBatter piles
- CSlope piles
- DFender piles
53Which of the following criteria for bundled
bars, do NOT apply?- ABars larger than 32 mm shall not
be bundled in beams - BBundle bars shall be enclosed
within stirrups or ties - CGroup of parallel reinforcing bars
bundled in contact to act as a unit
shall be limited to four in any one
bundle - DIndividual bars within a bundle
terminated within the span of
flexural members shall terminate
at different points with at least 40
db staggered
- ABars larger than 32 mm shall not
54What is a method of analyzing
intermediate modular building
frames by assuming hinges at the
center of beam spans and column
height?- ACantilever method
- BMoment distribution method
- CFree body diagram method
- DPortal method
55As a seismic requirement for flexural members
where hoops are required, how are the remaining
portions of a beam treated with transverse
reinforcement as minimum requirement other than
those required with hoops?- AWhere hoops are not required, stirrups
shall be spaced at no more than d/2
throughout the length of the member - BWhere hoops are not required, crossties
shall be spaced at no more than d/3
throughout the length of the member - CWhere hoops are not required, hoops shall
continue except that spacing shall not be
more than d/2 - DWhere hoops are not required, closed
stirrups shall be spaced at no more than
d/4 throughout the length of the member
- AWhere hoops are not required, stirrups
56What is the minimum requirement for
development of at least 1/3 of the total
reinforcement provided for negative
moment reinforcement as an embedment
length beyond the point of infection?- ANot less than the effective depth of
member of 12 db, or 1/16th the
clear span, whichever is greater - BL/3 + d or 24 db, or 1/12th the clear
span, whichever is greater - CNot less than 1.5 d or 14 db, or
1/12th the clear span, whichever is
greater - DL/4 + 2d or 12 db, 1/12th the clear
span, whichever is greater
- ANot less than the effective depth of
57What is a round, steel bolt
embedded in concrete or masonry
used to hold down machinery,
steel columns or beams, casting,
shoes, beam plates and engine
heads?- ARetaining bolts
- BFoundation bolts
- CAnchor bolts
- DFriction bolts
58Aggregates should conform to PNS or ASTM standards and
must be well graded, easy workability and method of
consolidated are such that the concrete can be poured
without honeycomb or voids. What is the nominal maximum
size of a course aggregate when working spaces between
reinforcements for proper bonding?- ACourse aggregates shall be no larger than 1⁄2 the
minimum clear spacing between individual
reinforcing bars or wires, bundles of bars, or
prestressing tendons or ducts - BCourse aggregates shall be no larger than 5/8 the
minimum clear spacing between individual reinforcing
bars or wires, bundles of bars, or prestressing
tendons or ducts - CCourse aggregates shall be no larger than 7/8 the
minimum clear spacing between individual reinforcing
bars or wires, bundles of bars, or prestressing
tendons or ducts - DCourse aggregates shall be no larger than 3/4 the
minimum clear spacing between individual reinforcing
bars or wires, bundles of bars, or prestressing
tendons or ducts
- ACourse aggregates shall be no larger than 1⁄2 the
59What is the minimum concrete
cover for primary reinforcement of
beams and columns not exposed
to earth or weather for precast
manufactured under plant control
conditions?- Adb but not less than 25 mm
- Bdb but not less than 15 mm
and need not exceed 40 mm - Cdb but not less than 20 mm
and need not exceed 50 mm - Ddb but not less than 30 mm
60What is a steel element such as
wire, cable, bar, rod or strand, or a
bundle of such elements, used to
impart prestress to concrete?- APrestress cables
- BReinforcements
- CTenon cables
- DTendon
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