WorksheetsReviewer (Part 1)
Total questions: 40
Worksheet time: 20mins
For any proposed bridge site, the topographic and river surveys should be extended from the centerline of the bridge at least _________________.
100 to 200 upstream only
100 to 200 downstream only
100 to 200 upstream and downstream
300 m upstream and downstream
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
Which of these is not classified as a type of caisson foundation?
pneumatic foundation
box caisson
open caisson
hydraulic caisson
Which of the following documents is not necessary at the project site?
bills of quantities
plans
general specification
feasibility study
An asphalt cement can be a good bituminous binder material for item
306
308
310
311
The following reasons may cause the granting of contract time extension with the exception of one:
exceptionally adverse climate conditions
excusable failure of contractor to provide equipment and man power
causes beyond the control of contractor
causes of which government is not directly responsible
What is the allowable variance from the original unit price, so that a contract will be entitled to contract price escalation?
less than 2%
less than 5%
more than 5%
less than 3%
The government may rescind the contract work if there is:
delay in the payment of contractors claim for billing
existing right-of-way problem
undue delay attributable solely to the contractor
adverse peace and order conditions
If after 50% completion, the work is satisfactorily undertaken and on schedule no additional retention should be made otherwise the progress payment should be imposed a retention rate of:
5%
10%
15%
Under which of the following conditions must a change order not to be issued?
Where there is a decrease in work due to deletion of work items
Where there is reclassification of item of works
Where the aggregate cost has increased and is limited to 25% of the original cost
Where there is increase in cost in construction materials
Which of the ff. is not considered a Variation Order?
Change order
Extra work order
Resume order
Supplemental agreement
A project with delays due to reasons beyond the control of the contractor may be granted a time extension if the affected works, as shown in the PERT/CPM diagram, are:
dummy activities
critical activities
non critical activities
hammock activities
If after 50% completion, the work is satisfactorily undertaken and on schedule no additional retention should be made otherwise the progress payment should be imposed a retention rate of:
5%
10%
15%
20%
What is the permitted variation from the design from the thickness of a layer of aggregate base course?
± 20 mm
± 15 mm
± 25 mm
± 10 mm
What is the permitted variation from the design from the thickness of a layer of aggregate subbase?
± 20 mm
± 15 mm
± 25 mm
± 10 mm
What is the required area of the trial section needed to check the suitability of the materials and efficiency of the equipment and construction method the contractor will use?
about 500 sqm
about 400 sqm
about 100 sqm
about 600 sqm
What is the accepted proportion mixture of cement to be added to the soil aggregate (dry soil) in a Portland cement stabilized road mix base course (item 204)?
4 to 20 mass percent
6 to 10 mass percent
5 to 12 mass percent
3 to 12 mass percent
What is the accepted proportion mixture of cement to be added to the soil aggregate (dry soil) in a Lime stabilized road mix base course (item 203)?
4 to 20 mass percent
6 to 10 mass percent
5 to 12 mass percent
3 to 12 mass percent
Sub-grade soil is well compacted under the controlled condition of:
over saturation with water
optimum moisture content and maximum dry density
dry soil
cold weather
The rate of application of seal coat using cutback asphalt is ______.
1.5-3.0 li/sqm
2-3 li/sqm
1-2 li/sqm
1.5-2 li/sqm
Defective works in a project should be brough to the attention of the contractor by the Project inspector thru:
logbook entry
progress billing deduction
inspection report
site instruction
How much percentage is withheld on the general items until the final acceptance of the project?
15%
20%
30%
50%
Which of the following is not a construction safety procedure?
The side of deep excavations must be properly shored
All openings above ground level must be guarded
Operators and mechanics must be required to log in when operating equipment
Workers engaged in clearing must be protected from hazardous plans
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 month pre-determined in the area
The bar chart is also called a _________.
Precedence diagram
Gantt chart
CPM diagram
PERT chart
Who assists the project engineer in the overall direction and supervision of field operations?
contractor's engineer
resident engineer
materials engineer
project inspector
If after 50% completion, the work is satisfactorily undertaken and on schedule no additional retention should be made otherwise the progress payment should be imposed a retention rate of:
5%
10%
15%
20%
A project with delays due to reasons beyond the control of the contractor may be granted a time extension if the affected works, as shown in the PERT/CPM diagram, are:
Dummy activities
Critical activities
Non-critical activities
Hammock activities
Which of the following is NOT considered a Variation order?
change order
extra work order
resume order
supplemental agreement
A variation order may be in the form of extra work order or change order. What is the maximum allowable percentage of the change order?
10%
15%
5%
20%
Whose engineering judgement will prevail in the overall field implementation of a project?
Project inspector
Resident engineer
Project engineer
Materials engineer
What is the single vertical datum to which elevation for all infrastructure projects should be referred to?
Mean sea level
10.47 m below mean sea level
10.00 below mean lower low
Mean lower low water
Who supervises the work and test employed in project implementation?
Project inspector
Contractor's engineer
Material's engineer
Project engineer
What is the required minimum field density for embankment materials?
85%
90%
95%
100%
In the DPWH standard specifications, what is the item no. embankment?
100
102
104
106
What is item 506 in the DPWH structural specifications?
structural concrete
prestressed concrete
stone masonry
riprap and grouted riprap
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 projection more than 150 mm
What is the minimum cement content (40 kg/bag) per cubic meter of class B concrete?
8 bags
9 bags
9.5 bags
11 bags
The minimum testing requirement of concrete for item 405 is the compressive strength test on concrete cylinder samples consisting of a set of 3 concrete cylinder samples to represent not more than:
50 m^3 of concrete
75 m^3 of concrete
100 m^3 of concrete
125 m^3 of concrete
Clay can be distinguished from silt by performing:
sieve analysis test
hydrometer test
plastic limit test
liquid limit test
