WorksheetsLQ1 - ATSTRUCT
Total questions: 60
Worksheet time: 3600secs
Name
Class
Date
1.
What is the primary purpose of tie rods in a structure?
a)
To resist tensile forces
b)
To resist compressive forces
c)
To provide insulation
d)
To resist bending moments
2.
In which type of beam does one end remain fixed while the other end is free?
a)
Cantilever beam
b)
Simply supported beam
c)
Overhanging beam
d)
Continuous beam
3.
What does a buckling failure in a column typically result from?
a)
Axial compression
b)
Lateral tension
c)
Bending stress
d)
Shear force
4.
What is the reaction at a fixed support?
a)
Horizontal, vertical, and moment
b)
Vertical and moment
c)
Horizontal and vertical
d)
Moment only
5.
Which structural element is used to resist bending in buildings?
a)
Beams
b)
Columns
c)
Tie rods
d)
Slabs
6.
What differentiates a two-way slab from a one-way slab?
a)
Longer span divided by shorter span ≤ 2
b)
Shorter span divided by longer span > 0.5
c)
Material of the slab
d)
Support types
7.
What structural property does slenderness ratio affect in a column?
a)
Stability
b)
Strength
c)
Elasticity
d)
Rigidity
8.
Why is determining reactions at supports essential in structural analysis?
a)
To compute structural determinacy
b)
To estimate material costs
c)
To predict aesthetic design
d)
To simplify construction
9.
Which type of beam typically has overhanging ends beyond its supports?
a)
Overhanging beam
b)
Simply supported beam
c)
Cantilever beam
d)
Continuous beam
10.
What forces act on a column?
a)
Axial compressive forces
b)
Tensile forces
c)
Shear forces
d)
Torsional forces
11.
What is the condition for a continuous beam?
a)
Multiple supports
b)
Single fixed end
c)
No overhangs
d)
Hinged supports only
12.
Which code primarily guides structural design in the Philippines?
a)
National Structural Code of the Philippines
b)
National Plumbing Code of the Philippines
c)
National Building Code of the Philippines
d)
National Electrical Code of the Philippines
13.
What is the effect of compression in materials like steel columns?
a)
Buckling
b)
Necking
c)
Torsion
d)
Shearing
14.
In structural theory, why is moment equilibrium considered?
a)
To ensure structural stability
b)
To minimize material usage
c)
To optimize design aesthetics
d)
To balance axial forces
15.
Which reaction is absent in a roller support?
a)
Moment reaction
b)
Vertical reaction
c)
Horizontal reaction
d)
All reactions are present
16.
Why is reinforcement necessary in slabs?
a)
To resist tensile stresses
b)
To prevent thermal expansion
c)
To improve aesthetic quality
d)
To reduce weight
17.
What is the primary material for one-way and two-way slabs?
a)
Reinforced concrete
b)
Steel
c)
Wood
d)
Composite materials
18.
What happens when the longer span of a slab divided by the shorter span equals 2?
a)
Two-way slab
b)
One-way slab
c)
No slab classification
d)
Special slab
19.
How many vertical reactions does a simply supported beam typically have?
a)
Two
b)
Three
c)
One
d)
Four
20.
What type of structural failure is necking associated with?
a)
Tensile failure
b)
Compressive failure
c)
Shear failure
d)
Torsional failure
21.
In structural design, what does determinacy imply?
a)
Static stability
b)
Aesthetic balance
c)
Economic feasibility
d)
Material efficiency
22.
What does the term "moment" signify in structural engineering?
a)
A force causing rotation
b)
A force resisting movement
c)
A compressive force
d)
A tensile force
23.
What is the main difference between cantilever and simply supported beams?
a)
Support conditions
b)
Material type
c)
Load type
d)
Beam length
24.
Which structural member supports floors in multi-story buildings?
a)
Slabs
b)
Columns
c)
Tie rods
d)
Trusses
25.
How do you classify a fixed beam in terms of reactions?
a)
Three reactions
b)
Two reactions
c)
One reaction
d)
No reactions
26.
What structural element commonly resists lateral loads in high-rise buildings?
a)
Shear walls
b)
Beams
c)
Slabs
d)
Foundations
27.
What is the advantage of using a two-way slab over a one-way slab?
a)
Uniform load distribution
b)
Reduced material usage
c)
Easier construction
d)
Higher strength
28.
In buckling, what aspect of a column does slenderness ratio affect most?
a)
Load-carrying capacity
b)
Flexibility
c)
Aesthetic design
d)
Cost
29.
What does the reaction at a pin support typically include?
a)
Horizontal and vertical reactions
b)
Vertical reaction only
c)
Moment reaction only
d)
No reactions
30.
What is the primary force an arch relies on for strength?
a)
Compression
b)
Tension
c)
Shear
d)
Bending
31.
How do secondary forces in an arch affect its design?
a)
Shear and moment require additional structural support.
b)
They make arches less stable overall.
c)
They are negligible in most designs.
d)
They only affect decorative features.
32.
Why are frames commonly used in building structures?
a)
Frames allow for flexibility in design and stability.
b)
Frames require less material than other structures.
c)
Frames are easier to construct.
d)
Frames eliminate the need for foundations.
33.
What type of connection in a frame allows for rotational flexibility?
a)
Pin connections
b)
Fixed connections
c)
Welded connections
d)
Hinged connections
34.
What is the relationship between building codes and design codes?
a)
Building codes define minimum standards; design codes are technical guidelines.
b)
Building codes are optional, while design codes are mandatory.
c)
Design codes replace building codes entirely.
d)
Building codes apply only to residential buildings.
35.
Why can’t designs from the Philippines be directly applied in Canada?
a)
Climate differences require specific design adjustments.
b)
Building codes in Canada are stricter.
c)
Materials used in the Philippines are inferior.
d)
Architectural styles are incompatible.
36.
How does the absence of timber design codes in the Philippines affect its use?
a)
It discourages the use of timber in large-scale projects.
b)
It results in cheaper timber structures.
c)
It promotes innovation in timber design.
d)
It restricts timber to decorative applications.
37.
Why are older structural codes considered conservative?
a)
They use larger and more robust materials.
b)
They are harder to interpret.
c)
They limit creativity in architectural design.
d)
They exclude modern materials.
38.
What innovation does NSCP 2015 introduce to structural design?
a)
Economic sizing of materials
b)
Stricter safety standards
c)
Focus on high-cost materials
d)
Reduced use of steel in construction
39.
How do international codes like the IBC benefit architectural design?
a)
They promote eco-friendly and standardized practices.
b)
They are easier to apply than local codes.
c)
They replace local building regulations.
d)
They reduce construction costs globally.
40.
When designing a three-story building on a 7x20m property, what should be considered first?
a)
Load mapping
b)
Aesthetic preferences
c)
Electrical layout
d)
Roofing materials
41.
How does the choice of material affect the design of structural members?
a)
Material properties determine strength and durability.
b)
Materials only impact cost.
c)
Materials do not affect structural performance.
d)
Material selection is based solely on availability.
42.
What is the key difference between pin and fixed connections in frames?
a)
Pin allows rotation; fixed resists both rotation and translation.
b)
Pin resists rotation; fixed allows translation.
c)
Fixed connections are weaker than pin connections.
d)
Fixed connections are only used for beams.
43.
Why is timber more suitable for Canadian houses than for Philippine houses?
a)
Timber provides insulation against cold climates.
b)
Timber is more readily available in Canada.
c)
Timber is cheaper in colder regions.
d)
Timber is structurally stronger in colder climates.
44.
Why are steel and concrete commonly used in modern frames?
a)
They provide high strength and versatility.
b)
They are the cheapest materials available.
c)
They are easier to assemble.
d)
They do not require maintenance.
45.
How does snow loading influence building design in cold climates?
a)
It increases roof strength requirements.
b)
It decreases the need for heating systems.
c)
It allows for simpler roof structures.
d)
It reduces the use of lightweight materials.
46.
What aspect of the IBC supports global adoption?
a)
Its focus on eco-friendly design
b)
Its cost-efficiency
c)
Its simplicity in application
d)
Its regional flexibility
47.
How can architects use load mapping effectively?
a)
By identifying and distributing loads to ensure stability
b)
By minimizing construction costs
c)
By simplifying building layouts
d)
By focusing on aesthetic elements
48.
What is the main drawback of using outdated structural codes?
a)
Increased construction costs
b)
Reduced structural safety
c)
Limited design options
d)
Overuse of modern materials
49.
How do international building codes accommodate different countries?
a)
By allowing regional adaptations
b)
By standardizing all requirements
c)
By excluding local materials
d)
By focusing only on eco-friendly standards
50.
In a construction project, who plays the most significant role in determining the final design, particularly when there are conflicts between aesthetics and structural integrity?
a)
The client
b)
The engineer
c)
The architect
d)
The contractor
51.
What is the primary reason for assigning higher importance factors to hospitals in structural design?
a)
They must remain functional during emergencies.
b)
They accommodate hazardous materials.
c)
They are larger structures.
d)
They require fewer materials.
52.
Which factor would primarily affect the design of buildings in a location with high snow loads?
a)
Environmental load factor for snow.
b)
Soil pressure coefficient.
c)
Hydrostatic pressure.
d)
Thermal expansion coefficient.
53.
In NSCP 2015, what is the typical load combination for dead load and live load in building design?
a)
1.2 DL + 1.6 LL.
b)
1.5 DL + 1.0 LL.
c)
1.0 DL + 1.5 LL.
d)
1.4 DL + 1.2 LL.
54.
For a column in a rectangular grid system, how do you determine the tributary area it supports?
a)
Divide the area between midpoints of adjacent spans.
b)
Use the full slab area of the floor.
c)
Multiply column height by slab thickness.
d)
Include only the shortest span dimensions.
55.
Why is hydrostatic pressure critical in the design of dams and similar structures?
a)
It accounts for forces from stationary fluids.
b)
It prevents wind load effects.
c)
It calculates earthquake resistance.
d)
It simplifies soil pressure calculations.
56.
What distinguishes a one-way slab from a two-way slab in terms of load distribution?
a)
One-way slabs transfer loads in one direction to beams.
b)
Two-way slabs are thinner than one-way.
c)
One-way slabs have no reinforcement.
d)
Two-way slabs only handle smaller loads.
57.
What is the significance of wind speed mapping, such as the 270 km/h zone in Metro Manila, for structural design?
a)
It determines wind load factors for safe design.
b)
It helps calculate soil stability.
c)
It minimizes earthquake load effects.
d)
It increases material savings.
58.
How do engineers account for soil pressure in retaining wall design?
a)
By calculating the lateral earth pressure exerted by the soil.
b)
By including hydrostatic pressure.
c)
By using wind load coefficients.
d)
By ignoring live loads.
59.
What is the primary difference in tributary area calculation for square and rectangular column grids?
a)
Square grids have equal tributary areas; rectangular grids are proportionally divided.
b)
Square grids require fewer calculations.
c)
Rectangular grids do not have tributary areas.
d)
Square grids only handle live loads.
60.
Why is it essential to use updated building codes like NSCP 2015 in structural design?
a)
They incorporate modern safety standards and load combinations.
b)
They simplify computational processes.
c)
They reduce material costs.
d)
They eliminate redundancy in designs.
100 %
