問題一覧
1
Camber in gravel roads is provided to:
Prevent water from stagnating on carriageway
2
Whose engineering judgment will prevail in overall field implementation of a project?
Project Engineer
3
What is the single vertical datum to which elevation for all infrastructure projects should be referred to?
Mean Sea Level
4
When a contract is mutually terminated, the contractor is:
Allowed to submit bids
5
The most common hourly volume count used for roadway design is:
30th Highest Hourly Volume
6
For testing reinforcing steel bars, the sample for every 10 tons should be:
1.0m long
7
The depth of weakened plane joints should not be less than:
50mm
8
Unless otherwise specified, all materials below subgrade level in earth should be cut to a depth of:
150mm
9
Defective works in a project should be brought to the attention of the contractor by the resident engineer thru:
Site Instruction
10
Which of the following is not a field test in road construction?
California Bearing Ratio (CBR) test
11
Normally within how many hours can sawing joints commence given that concrete has hardened sufficiently?
24
12
What is the required area of the trial section needed to check the suitability of the materials and efficiency of the equipment and the construction method the contractor will use?
About 500 sqm
13
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 new mix and old surface
14
As practical as possible, concrete mix should not be placed where this can be subject to manual dropping by not more than _______ and whre no other special tools and means are used.
1.5m
15
Cores taken from a concrete pavement are tested for:
strength verification of concrete in-place that is considered adequate
16
Excavation of indurated rocks can be undertaken by:
Ripper
17
The minimum flexural strength requirement of concrete for Item 311 (Portland Cement Concrete Pavement) is:
550psi
18
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:
75cu.m.
19
In laying stone components of Item 505 (Riprap and Grouted Riprap), each stone should be:
Laid with its longest axis perpendicular to the slope
20
What is the required minimum field density for embankment materials?
95%
21
Who supervises the work and tests employed in project implementation?
Project Engineer
22
Which of the following is not considered a Variation Order?
Resume Order
23
On sloping surface, concrete should be places starting at:
bottom of slope
24
Resurfacing of unpaved shoulder that was settled or been eroded by traffic and water is an activity under:
periodic maintainance
25
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
26
When considating concrete during pouring operations, vibrator should not be be operated in any one location longer than:
15 seconds
27
Which of the following financial controls should be imposed of the project is delayed?
Liquidated damages
28
What is the allowable minimum thickness of bedding material beneath a concrete pipe?
100mm
29
The best aid in locating and identifying areas of discussion in an inspection report are:
Photographs
30
The process of maintaining sufficient moisture and favorable temperature in concrete is called:
curing
31
The rate of application of emulsified asphalt used as tack coat, should be within the range of:
0.2 - 0.7 L/m2
32
The system of protecting land area from ocean waves is called:
coastal protection works
33
In no case, however, shall the total sum of liquidated damage exceed of ____ of the contract price, in which event the contract shall automatically be taken over by the procuring entity concerned or can be awarded to same qualified contractor through negotiated contract.
10%
34
Which of the following is not an agent for repairing concrete cracks?
Sulfur Injection
35
What type of cement is allowed by the DPWH as a substitute in the absence of Portland Cement Type I?
Portland Pozzolan Type IP
36
What kind of joint is established by an interrupted or delayed placing of concrete on partially placed concrete wherin initial setting had already taken place?
Cold joint
37
During pouring operations of concrete pavements, what kind of samples should be taken for testing
Beam samples
38
Who has the authority to reject questionable materials or suspend the work until it is referred and decided upon by the Project Engineer?
Materials Engineer
39
Who assist the Project Engineer in the overall direction and supervision of field operations?
Project Inspector
40
What do you call the strengthening of an old existing asphalt or concrete pavement by providing additional adequate thickness over it?
overlaying
41
What do you call a record or book compiled to contain data information and history in the implementation of a project from start to completion?
Logbook
42
Measurement of concrete materials for concrete structures shall be by:
volume
43
Before an asphalt pavement or asphalt surface treatment is placed on a granular base, what liquid asphalt is applied?
Prime Coat
44
What is allowable minimum penetration of piles in firm material
3.0m
45
If designed thickness of aggregate subbase course is 200mm, in how many layers may the material be spread and compacted?
1
46
To check the suitablility of the materials and the efficiency of the equipment and construction method in the construction of embankments and base course, trial sections should be spread and compacted, and corresponding field density test should be undertaken. Said trial section shall be about:
500 sqm
47
In field project monitoring using old, approved plans of a river system, which of the following would immediately identify the sheets if pages were already erased?
Stationings and Matching Lines
48
For Item 311 (Portland Cement Concrete Pavement) the minimum cement factor in bags of cement per cubic meter of concrete based on a 40kg per bag of cement is:
9.1
49
How many years for periodic maintainance for Asphalt Pavement?
5
50
It is the graphical representation of monthly cash flow, monitoring of equipment and manpower.
S Curve
51
When concrete pilenare lifted oroved, they should be supported at what point?
Quarter point
52
For buildings, what is the maximum number of bore hole fornevery 200sq.m. of structure?
1
53
In no case, shall the total liquidated damages exceed ____ of the contract price, in which event the contract shall be automatically taken over by the procuring entity concerned or can be awarded to same qualified contractor through negotiated contract?
10%
54
For a 2-lane bridge 7.3m in width, what is the minimum no. of girder required?
4 (urban and rural)
55
Advance payment of the contractor is an amount not to exceed ___ of the total original contract amount.
15%
56
At least 1 set consisting of ___ concrete beam test specimens shall be taken from each 330sq.m. of pavement, 0.23cm thick or fraction thereof placed each day.
3
57
Persuant to the RA 9184, what is the applicable rate of liquidated damages?
1/10 of 1 percent
58
What do you call the method of determining stream discharge by measuring the cross sectional area of the stream and its velocity with a current meter?
Velocity Area Method
59
What is the most used pile driver in the country?
Diesel Hammer
60
Initial rolling in bituminous mixes shall be performed with a ____ roller?
Pneumatic Tire Roller
61
What is the Project Scheduling technique in DPWH Project?
PDM (Precedence Diagram Method)
62
Process of rolling/compaction of bituminous pavement?
It should begin from the sides and proceed longitudinally parallel toward the road center line, each trip overlapping one half of the roller's width.