Compre Set. 85
Civil Engineering Quiz Challenge
Test your knowledge and understanding of civil engineering concepts with our comprehensive quiz. This quiz consists of 30 multiple-choice questions covering various topics such as foundation design, bridge construction, and material properties.
Join fellow enthusiasts to challenge yourself and enhance your skills. Here’s what you can expect:
- 30 carefully crafted questions
- Instant feedback on your answers
- Improve your civil engineering knowledge
To avoid hitting a waterfall, realignment of the route must be done. Being a new road that will pass through loose or heterogeneous strata, auger borings should be made on the proposed alignment at an average interval of:
150 m
200 m
250 m
500 m
2. A set of revised drawings shows a grade separation structure at railroad crossing with cross sections of the railroad taken at 20 m interval and extended at least 50m from both sides of the centerline. Does the 50m extension conform with survey/design requirements?
Yes, 50 m is in order
No, it should be 100 m both sides
No, it should be 200 m both sides
No, 100 m left side and 200 m right side
Depth of exploration for a highway project with light cut and fill where there are no special problems should extend to a maximum depth of:
1.0 m below bottom of subbase
1.5 m below the proposed subgrade
2.0 m below the proposed subgrade
3.0 m below the proposed subgrade
For a bridge project, spacing of borings should be made at a minimum of:
One deep boring per abutment and pier
Two deep borings per abutment and per pier
Two deep borings per abutment and an additional one per pier
Three deep borings per abutment and pier
The maximum length of ascending gradient which a loaded truck can operate without undue reduction in speed is called:
Critical length of grade for design
Exceptional gradient
Limiting gradient
Ruling gradient
In practice, K – factor is used to convert average annual daily traffic to the 30th highest annual hourly volume (DHV) and is defined as:
DHV/AADT
DDHV/ (DxAADT)
V/PHF
L/A
A contractor encountered an equation on the plans. Quite confused, he clarified the terms “BK” and “AH” from the Engineer. If you were the Engineer, you would say that:
BK means new survey stationing
AH means old survey stationing corrected
BK means old survey stationing corrected; AH, new survey stationing
Both a and b
The general principles of design of bridges depend on many factors. These may be broadly unified under the following with the exception of:
Selection of site
Water discharge
Design of bridge
Bank protection
If the good and hard soil is available within 2 to 3 m below the bed level of a river, the design will generally require:
Spread foundations
Raft foundations
Pile foundations
Caisson foundations
Per bridge design procedures, the design method to be used for columns should preferably be:
Service load design
Working stress design
Load factor (ultimate strength) design
Both a and b
Every building will be designed for lateral seismic forces. As a minimum, the design base shear (V=ZICW/Rw) will be applied to the structure as a whole and be distributed to the various levels of the structure. The factor Z (seismicity of the site) as used in the Philippines is:
Less than 0.2 for Zone 1
0.2 for Zone 2
0.3 for Zone 3
0.4 for Zone 4
In foundation design, the allowable load or bearing capacity is obtained by reducing the ultimate bearing capacity by a factor of safety of:
1.5
2.0
1 to 2
2 to 3
The rate of application of emulsified asphalt used as tack coat, should be within the range of:
0.2 – 0.5 1/m2
0.2 – 0.7 1/m2
0.15 – 0.7 1/m2
0.15 – 0.5 1/m2
The minimum distance of extended compaction of road embankment material from the edge of the designed width should be:
2.00 m
3.00 m
0.50 m
1.00
Normally within how many hours can sawing of joints commence given that concrete has hardened sufficiently?
36
72
12
24
Repainting of steel bridges is an activity under:
Special maintenance
Periodic maintenance
Preventive maintenance
Routine maintenance
Before placing concrete, the base of a roadway for concreting should be kept in moist condition and saturated with water for at least:
6 hrs.
1.5 hrs.
2 hrs.
3 hrs.
On sloping surface, concrete should be placed starting at:
Top of slope
Bottom of slope
Middle of slope
Any part of the slope
What is the minimum width required in pipe culvert excavation?
300 mm greater than the diameter of the pipe
2 times the diameter of the pipe
1.5 times the diameter of the pipe
Just enough to put the pipe
What will you do if there is evidence of discrepancies on the actual elevation from those shown in the Plans?
Conduct Pre-construction Survey
Conduct Parcellary Survey
Conduct Geotechnical Survey
Conduct Boring Test
What is the difference between the Net Volume Suitable Materials Embankment and Net Volume of Suitable Materials from Excavation?
Free haul volume
Overhaul volume
Unsuitable materials
Surplus materials
The time elapsed from the time water is added to the concrete mix and transported by a truck mixer up to the time said mix is deposited in place at the site should not exceed?
15 minutes
45 minutes
30 minutes
20 minutes
What do you call the collapse of earth and side slope due to slope failure and natural calamity like earthquake?
Denudation
Gully erosion
Landslide
Scouring
What do you call the strengthening of an old existing asphalt or concrete pavement by providing additional and adequate thickness over it?
Re-blocking
Sealing
Grouting
Overlaying
What do you call the portion of earth or base course the portion of earth or base course materials left unleveled by a road grader during longitudinal grading operation?
Windrow
Stockpile
Hump
Edging
Resurfacing of unpaved shoulder that has settled or been eroded by traffic and water is an activity under:
Preventive maintenance
Routing maintenance
Periodic maintenance
Special maintenance
The inside face of a pothole, aside from squaring, must be made vertical before patching using cold or hot mix asphalt in order to:
Ensure bond between the new mix and old surface
Prevent pumping
Minimize spalling
Prevent faulting
As practically possible, concrete mix should not be placed where this can be subject to manual dropping by not more than ______ and where no other special tools and means are used:
3.0 m
2.5 m
2.0 m
1.5 m
Concrete Class A mix used and deposited in water for footing construction shall maintain a slump between:
5 and 10 cm
10 and 20 cm
20 and 30 cm
30 and 40 cm
Concrete should be kept continuously wet by the application of water for a minimum period of how many days after it has been placed?
28
30
14
7
What is the maximum allowable variation at the butt end of a pile in any direction from its location shown in the approved plans?
75 mm
50 mm
25 mm
40 mm
In pile driving, when the desired penetration cannot be obtained by driving alone, other schemes are used. Which of the following is not acceptable?
Water jets
Pilot holes
Both jet and holes
Square hole
What is the required minimum weight of the gravity hammer used in pile driving?
2000 kg
1500 kg
1800 kg
1700 kg
What is the technical term used in repairing the foundation of piers and abutments that have an indication of scouring and erosion?
Shotcreting
Underpinning
Riveting
Plastering
In underpinning a pier the following methods may be undertaken before the repair work starts, with the exception of:
Earth-filled wood cofferdaming
Water diversion thru dikes of rock and earth
Use of steel sheet piles
Spurdiking
Which of the following is not classified as a type of caisson foundation?
Pneumatic foundation
Box Caisson
Open Caisson
Hydraulic Caisson
What is the simplest type of superstructure of a concrete bridge with a limited span of 8 meters?
Reinforced concrete slab
Concrete plank deck
Girder and slab superstructure
Beam or plank bridge
What is the minimum length requirement for longitudinal reinforcement of the piles that should be embedded in the bridge structure?
30 times the diameter of main reinforcing deformed bars
40 times the diameter of main reinforcing deformed bars
50 times the diameter of main reinforcing deformed bars
20 times the diameter of main reinforcing deformed bars
What do you call the additional support on steel sheet piles to support embankment of the abutment of a bridge embedded in the ground designed to increase load safety factor against overturning?
Dead man
Pile
Bridge panel
Cross bracing
After a typhoon, a dam measuring 250 meters suffered a 40-meter breach equivalent to P4.8 million. You found out that it is impossible to close the gap before the onset of rainy months, which may result in total collapse of the dam. If you are the new Project Engineer, what will you do?
Risk 3-shift operation to attain maximum accomplishment
Suspend the project and resume after the rainy months
Armor the breached section with gabion-mattress and spurdike, to utilize gap as diversion channel
Introduce a crash program sacrificing quality
Which of the following is not a function of a groin?
It decreases the flow velocity
It regulates the flow direction
It stabilizes the mountain grade
It decreases the scouring effect
Which of the following is not a measure against mudflow?
Sabo dams
Retarding basins
Cut-off channels
Groundsills
You are to recommend measures to minimize inundation on the landside of an overflowing river. Which of the following is not acceptable?
Reduce the flood inflow to the area by constructing spillways and retarding basins
Regulate the land use in the area
Install drainage facilities like pumping stations
Introduce dredging works
Which of the following items is not a structure of a dam?
Impervious fill
Random fill
Outlet protection works
Distribution canal
During construction of a flood control dam, the proposed spillway was overcut by one meter. What should the Project Engineer do?
Cover the section with excavated materials
Continue work and disregard the overcut
Suspend work and request for design analysis
Blame and blacklist the contractor
What kind of cut-off channel is being constructed to carry 10% of a river discharge, and which subsequently develops capacity of up to 40%?
Diversion channel
Pilot channel
River channel
Open channel
A proposed flood control project has a mini-hydro electric power component. However, the area is already being serviced by the National Power Corporation. Which of the following will be the best action to take?
Implement all work components
Locate to other service areas needing power
Delete the mini-hydro power component
Abort the implementation of the flood control project
If the void ratio (e) of a soil is 1, the porosity (n) is equal to:
10 %
20 %
30 %
50 %
What is the apparatus used in determining the consistency of a liquid asphalt?
Penetrometer
Viscometer
Thermometer
Viscometric meter
The flow curve obtained when the liquid test results are plotted on a semi-log scale is in the form of a/an:
Parabola
Straight line
Hyperbola
Arc
Concrete in the area represented by the cores will be considered adequate if their average strength is equal to:
At least 85 % of and no single core is less than 85 % of f ’c
At least 75 % of and no single core is less than 75 % of f ’c
At least 85 % of and no single core is less than 75 % of f ’c
At least 75 % of and no single core is less than 85 % of f ’c
A series of almost parallel cracks running longitudinally along bituminous pavement surfaces is caused by:
Volume change of expansive clay subgrade
Cyclical weakening of pavement edge
Differential settlement between cut and fill
All of the above
During the curing period, the exposed surfaces of normal cement concrete should be kept continuously moist for at least:
3 days
5 days
7 days
14 days
To attain a uniform consistency of concrete during the pouring operation of a concrete pavement, the slump should not be more than:
40 mm (1½ inches)
50 mm ( 2 inches)
62 mm (2½ inches)
75 mm ( 3 inches)
The flexural strength of concrete is considered satisfactory when the average strength of all sets of 3 consecutive strength test results equal or exceed the specified strength and when no individual strength test result is deficient by more than:
10 % of 550 psi
15 % of 550 psi
20 % of 550 psi
25 % of 550 psi
For a compacted pavement, what does the stability value in the Marshall test measure?
Cohesion resistance
Resistance to displacement
Diametric distortion
Skid resistance
How many set/s of in-situ density tests is required in a 1500 square meter compacted aggregate subbase course?
1
2
3
5
If the designed thickness of aggregate subbase course is 200 mm, in how many layers may the material be spread and compacted?
1
2
3
4
Per program of work, the estimated volume of Item 201 materials is 7,500 cu.m. How many Grading and Plasticity tests are required based on the DPWH minimum testing requirement?
5
25
15
20
Verification of in-placed Items 200 and 201 materials were conducted thru test pitting. As Project Inspector, what would you do to best determine whether Item 201 was incorporated in the project?
Determine its soil texture
Scrutinize project reports/logbooks
Determine the maximum size of aggregates in-place
Verify delivery receipts
The temperature of a 5.0 cu.m. Bituminous mix delivered in the project site is 15 oC lower than the required compaction temperature of the submitted Job-Mix Formula. As resident engineer of the project, what decision should you take?
Allow the spreading and compaction of the material delivered
Advise the contractor to spread the mixture in one layer only
Reject the delivered material
Adjust the job-mix formula
The primary quality control mechanism for the production of asphalt mixtures which will have a high degree of uniformity that will satisfy job requirements is called:
Job-Mix formula
Marshall Stability Test
Immersion-Compression Stability Test
Plant-Mix Design
When a completed asphalt pavement exhibits too much voids, it is usually caused by the following with the exception of:
Rolling the mixture below the temperature requirements
Too much coarse aggregates
Too little binder
Too much fine aggregates
If permitted by the Engineer, additional water may be added to the batch concrete materials in truck mixers for portland cement concrete pavements. Additional mixing may be performed to increase the slump to meet the specified requirement provided that the water-cement ratio is not exceeded and that the said operations are performed within ______minutes after the initial mixing operation.
30
45
60
90
When consolidating concrete during pouring operations, vibrator should not be operated in any one location longer than:
10 seconds
15 seconds
20 seconds
30 seconds
The depth of corrugations and roughened finish by brooming on the surface3 of a newly set concrete pavement should not be more than:
6.0 mm
1.5 mm
3.0 mm
2.5 mm
In order to attain the minimum percentage design strength of concrete for floor slabs, the minimum time before forms and supports are removed should be:
3 days
7 days
14 days
28 days
In order to attain the minimum percentage design strength of concrete for concrete walls, the minimum time before forms and supports are removed should be:
1 day
2 days
7 days
14 days
In laying stone components of Item 505 (Riprap and Grouted Riprap), each stone should be:
Laid with its longest axis perpendicular to the slope
Pitched to line along the beds and joints
Laid with its face parallel to the faces of the walls
Reasonably uniform with no projections more than 150 mm
What is Item 506 in the DPWH Standard Specification?
Structural Concrete
Prestressed Concrete
Stone Masonry
Riprap and Grouted Riprap
Which Index of Retained Strength (IRS) is not preferable for bituminous mixture in accordance with the Immersion-Compression Stability Test?
50 %
70 %
75 %
80 %
Lumber is considered well-seasoned when its moisture content is between:
5 to 11 %
12 to 18 %
19 to 25 %
26 to 32 %
In case of emergency, e.g. earthquake, typhoons, or volcanic eruption, what report should a Project Engineer submit?
Executive Report
Periodic Report
Exception Report
Accomplishment Report
Who decides on all the questions which arise as to the interpretation of plans and specifications in the field execution of the project?
Project Inspector
Materials Engineer
Resident Engineer
Project Engineer
Who prepares daily reports on work accomplishment for review of the Project Engineer?
Project Engineer
Materials Engineer
Project Inspector
Contractor’s Engineer
In a PERT/CPM diagram, the contract time duration of the project is represented by:
Dummy Activities
Float
Critical Path
End event
In a PERT/CPM networking, the process of compressing the duration of a project is called?
Time optimization
Crashing
Contract time adjustment
Reduction
Which of the following need not be resorted as to when compressing the duration of a project?
Use of two-shift work force
Use of advanced construction technology
Use of additional equipment
Use of additional materials
In the calculation of total project duration in an infrastructure project (equipment oriented), which of the following is the most important consideration?
Right-of-way acquisition
Local manpower capability
Climatic condition in the area
Availability of funds
In terms of percentage, how much higher in strength is a well-consolidated concrete compared to a concrete not thoroughly consolidated?
5 to 10 percent
10 to 15 percent
15 to 20 percent
20 to 25 percent
During the test run, a mini dam was observed to have a high probability of overtopping due to increase in river discharge capacity brought about by massive deforestation. Which of the following is the most logical recommendation?
Acceptance and keep information to yourself
Increase in height of dam
Armoring of the upstream pacing
Redesign/reconstruction of the spillway structure
Which of the following is not a cause of delay in project implementation?
Revision in plans
Inadequacy of contractor’s resources
Non-availability of construction materials
Rainy months pre-determined in the area
Concerning delayed project implementation, which of the following is not the fault of the contractor?
Delayed preparation of contract documents
Faulty construction method
Defective construction equipment
Undersized construction materials delivered
Which of the following financial controls should be imposed if the project is delayed?
Penalty by way of additional bond
Confiscation of surety bond
Liquidated damages
Withhold progress billing
The following are basic documents needed as reference in an assessment of a project with the exception of:
Program of Works
Statement of Work Accomplished
Certificate of Availability of Funds
Certificate of Quality Control Assurance
In embankment works involving a 300-meter hauling distance, what is the most efficient equipment mix?
One bulldozer, one payloader, one compactor and one dump truck
One bulldozer, one payloader, one grader, and two dump trucks
One bulldozer, one payloader, one grader, one compactor and three dump trucks
One bulldozer, one payloader and five dump trucks
If a project is abandoned by the contractor due to peace and order problems, what recommendation should immediately be submitted?
Rescission of Contract
Termination of Contract
Contract Suspension
Blacklisting of Contractor
An Extra Work Order may be issued if:
There are additional works necessary but were not included as items of works in the original contract
The aggregate amount of the variation order is more than 25% of the original contract cost
There is a decrease in work due to deletion of work items or sections of the project
The aggregate amount of the variation order is more than 100% of the original contract cost
A supplemental agreement may be entered into when the aggregate amount of the variation order:
Exceeds 25% but less than 100% of the escalated original contract price
Does not exceed 25% of the escalated original contract price
Exceeds 100% of the escalated original contract price
Is limited to 25% of the escalated original contract price
Which does not fall under the condition when a change order can be issued?
The aggregate cost is limited to 25% of original contract cost
There is a decrease in work due to deletion of work items or sections of the project
There are additional works which were not included as items of work in the original contract
There is reclassification of an existing item due to latent conditions which were not known at the time of bidding
A change order may be issued when:
The aggregate cost is limited to 25% of original contract cost
The aggregate cost exceeds 25% of the original contract cost
There are additional works which were not included as items of work in the original contract
The quantity overruns or underruns in a unit price contract is not more than 15% of the estimates per major pay item and 25% per minor pay item
Select one not covered by conditions where an extra work order may be issued:
Where there are additional works needed for the completion of the project which were not included as items of work in the original contract
Where there are subsurface or latent physical conditions at the site differing materially from those indicated in the contract beyond the limit of the change order
Where there are unknown physical conditions at the site of an unusual nature beyond the limits of change order inherent in the work
Where the additional works necessary for the completion of the project is beyond the limits and the general scope of the project
Your total approved accomplishment on a project including those to be covered by an extra work is equivalent to 75% but only 65% is covered under the approved original contract. Up to what level of progress billing would you allow?
Up to the total 75% accomplishment
Below 75% but more than 65% accomplishment
Up to the documented value not more than 50%
Up to the documented value not more than 65%
After the issuance of the “Punch List” during the pre-final inspection, what is the time duration imposed to complete the project without penalties?
One month
Two months
Three months
Four months
Adjustment of contract price of a project may be authorized if:
The awarded contract price is below the government estimate
The cost of labor, equipment, materials and supplies increased artificially in the locality
The cost of labor, equipment, materials and supplies increased, due to acts of the government
The cost of labor, equipment, materials and supplies increased, due to multiple handling
Advance payment shall be repaid by deducting from a contractor’s periodic progress payments an amount equivalent to:
10 %
15 %
20 %
25 %
The contract time may be suspended once the project reaches an accomplishment of:
80 %
85 %
90 %
95 %
For creeks in urban and rural areas and not subject to overbank flows, a minimum easement to be provided measured from the edge of the existing bank or the improved bank should be:
3.0 m
4.0 m
4.5 m
20.0 m
Rivers, esteros and navigating canals, not subject to overbank flows should have a minimum easement measured from the edge of the existing bank or the improved bank of:
4.5 m
5.5 m
20.0 m
40.0 m
What does scoured depth refer to?
Total change in elevation of works
Total depth of water from surface to a scoured bed level
Depth of scour
Backwater depth
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