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WorksheetsMaterials Engineer Exam Questions
Total questions: 99
Worksheet time: 50mins
Field offices and living quarters shall be constructed within months upon the commencement of the Works.
1 month
2 months
3 months
4 months
Field Office and other facilities provided by the contractor shall be within the radius or preferably near the job site.
3.0 km
4.0 km
5.0 km
2.50 km
Based on Survey and staking requirements, when the centerline horizontal curve radius is less than or equal to 150 m and vertical parabolic curve radius is less than or equal to 100 m, cross-sections shall be taken at a maximum centerline spacing of __.
5.0 m
10.0 m
15.0 m
20.0 m
Based on Survey and staking requirements, when the centerline horizontal curve radius is greater than 150 m and vertical parabolic curve radius is greater than 100 m, cross-sections shall be taken at a maximum centerline spacing of __.
5.0 m
10.0 m
15.0 m
20.0 m
If the slag is used in structural concrete, its density shall not be less than
1,120 kg/m3
980 kg/m3
1,150 kg/m3
960 kg/m3
Fly Ash, if specified or permitted as a mineral admixture, it shall not exceed partial replacement of Portland Cement in concrete mix.
5.0%
10%
15%
20%
What is the maximum stacking layer of cement if the storage period is more than 60 days?
10 layers
7 layers
12 layers
14 layers
What is the maximum stacking layer of cement if the storage period is less than 60 days?
10 layers
7 layers
12 layers
14 layers
For timber forms, it is important that the moisture content of the timber that will be used to make the formwork in between
10-15%
5-10%
10-15%
15-20%
What is the minimum thickness used for metal forms or of such thickness that the forms remain true to shape?
2.5-3.0mm
2.0-3.0mm
3.0-5.0mm
3.5-4.0 mm
What is the minimum wall thickness of structural steel tubes used as support for forms?
3.0mm
2.0mm
5.0mm
4.0 mm
What is the minimum slump of Lean concrete?
30 mm
25 mm
50 mm
75 mm
What is the maximum slump of Lean concrete?
30 mm
25 mm
50 mm
75 mm
For structural concrete, no deduction on payment will be made for the volume occupied by the pipe less than outside diameter nor for reinforcing steel, anchors, weepholes, or expansion materials.
100 mm
101 mm
50 mm
51 mm
What is the minimum pre-steaming period after placement of the concrete for pre-cast members?
4.0 Hrs.
3.0 Hrs.
5.0 Hrs.
2.5 Hrs.
What is the minimum curing period of Pre-Cast Concrete (except piles) by the water method?
5 days
7 days
10 days
14 days
All concrete newly placed for pre-cast piles, reinforced shall be concrete conventionally or prestressed cured by the 'Water Method' except that the concrete shall be kept under moisture for at least
5 days
7 days
10 days
14 days
The rammed aggregate column is a system that could work well on most types of soils such as sands, clays, silts, and peat and could work equally well in these types of soils. What is the minimum depth of application?
3.0m
2.0 m
5.0m
7.0m
What is the maximum sulfate content of filling materials used for reclamation?
3.0%
2.0%
5.0%
7.0%
The reclamation area shall be filled to the finished elevation shown on the Plans as approved by the Engineer with an allowable tolerance of
±25 mm
±50 mm
±75 mm
±100 mm
An allowance of shall be acceptable for over dredging, but in no case shall the entire dredging area be dredged to the allowable tolerance.
300 mm
250 mm
500 mm
750 mm
The top edge of dredging works shall not be closer than from existing riverbanks and/or river structures such as dikes, revetment, spur dikes and other river training structures.
30m
20m
10m
15m
What is the minimum floor area for medical room and first aid facilities?
6 sqm
10 sqm
12 sqm
15 sqm
What is the minimum glazed window area for medical rooms and first aid facilities?
2 sqm
3 sqm
4 sqm
5 sqm
Maximum spacing between centerline points shall be 10 m when the centerline horizontal curve radius is less than or equal to ___ and vertical parabolic curve radius is less than or equal to 100 m.
150m
300 m
100 m
50 m
When surveying and staking bridges, at least how many reference points each at downstream and upstream portion?
2 each
3 each
1 each
4 each
For road projects with a length of 10 km or more, an additional billboard shall also be installed at every interval.
2 km
3 km
4km
5 km
In case of any dangerous occurrence or major accident resulting in death or permanent total disability, the concerned employer shall initially notify the DOLE Regional Office within 24 h from occurrence.
12 Hrs.
36 Hrs.
24 Hrs.
48 hrs.
Based on OSH requirement, the services of a full-time registered nurse, a full-time physician, a dentist and infirmary or emergency hospital with 1 bed capacity when the number of employees exceed In addition, there should be 1 bed capacity for every 100 employees more than __.
250
300
350
500
Construction-caused delays to public traffic shall be limited to a maximum of _ per passage through the project.
20 min
30 min
45 min
60 min
Where borings are drilled to rock and this rock will impact foundation performance, it is generally recommended that a minimum _ length of rock core be obtained to verify that the boring has indeed reached bedrock and not terminated on the surface of a boulder.
1.5 m
3.0 m
1.0m
2.0m
What is the minimum number of bores when conducting geotechnical investigation for piers and abutments of bridges over 30 m wide?
2 borings
3 borings
4 borings
1 boring
What is the minimum number of bores when conducting geotechnical investigation per pier and abutment of bridges less 30 m wide?
2 borings
3 borings
4 borings
1 boring
For buildings, generally, borings are made at each corner of the structure and at the center.
2 borings
3 borings
4 borings
1 boring
For low load warehouse building of large area, a minimum of at corners plus intermediate borings at interior foundations.
2 borings
3 borings
4 borings
1 boring
All scaffolding and shoring shall be capable of supporting at least __ the designed working loads.
2 times
3 times
4 times
1.5 times
No scaffolding and shoring shall be erected to exceed without written permission from the DPWH Engineer.
20m
30 m
10 m
15 m
What is the minimum dimension of Elevators? IRR of BP 344
lmxl.40111
8.1. IOmx 1.40111
lmxl .50m
l. lOmxl .50111
What is the maximum height of a water closet? !RR of BP 344
0.45 m
0.30 111
0.50 111
0.25 m
What is the maximum height of a flush control of the water closer? IRR of BP 344
I.Om
1.20 m
0.80 m
0.75 m
What is the maximum abrasion loss in mass percent of Gravel fill to be considered as suitable embankment material?
30%
40%
50%
25%
Specific gravity of suitable rock fill embankment shall be above
2.5
2.2
2.3
2.4
Embankment of earth material shall be placed in horizontal layers not exceeding __ .
100 mm
150 mm
200 mm
250 mm
When embankment dimensions are less than ___ , the DPWH Engineer may waive the construction compaction trials.
10mx50m
5mx10m
IOmxlOm
10mx15m
When mixing concrete in trucks, what is the minimum mixing speed in revolution per minute (rpm)?
3 rpm
4 rpm
5 rpm
6 rpm
When placing concrete by pumping, what is the minimum discharge capacity of the equipment?
1.50 m3/ hr.
3.0 m3/hr.
5.0 m3/ hr.
10.0 m3/hr.
What is the minimum thickness of aluminum sheeting used for Sign panels (Signages)?
3.0 mm
2.0 mm
1.0 mm
1.5 mm
What is the maximum permissible over dredging?
300 mm
250 mm
450 mm
350 mm
For reclamation, the materials above Mean Lower Low Water (MLLW) whether obtained by dredging or from borrow pits shall be spread out and compacted in layers not exceeding _.
300 mm
250 mm
450 mm
350 mm
What class of concrete is used for thin reinforced sections, railings, precast R.C. piles and cribbing and for filler in steel grid floors?
Class A
Class B
Class C
Class P
What is the maximum mass percent of wear of Coarse Aggregates for structural concrete?
30
25
40
35
For lean concrete to be placed prior to placing of reinforcing steel bar or any prefabricated structure shall have a minimum compressive strength of _ of the required strength of 13.8 MPa at 7 days.
75%
80%
85%
90%
Concrete pouring of structural slab must have at least 20.7 MPa compressive strength at 28 days with a minimum thickness of _ to a maximum of.
75 mm
80 mm
90 mm
100 mm
What is the class of Concrete filler for rocks bulkheads when required for the purpose of preventing the escape of fill material?
Class A
Class B
Class C
Class D
In excavation for water supply system, which workers may be required to enter, excavated or other materials shall be stockpiled temporarily at least __ m from the edge of the trench.
600 mm
650 mm
500 mm
750 mm
For Pipeline Trench Excavation, what is maximum amount of open trench permitted at any time and in one location?
100 m
50 m
25 m
75 m
For Pipeline Trench Excavation, the bottom of the trench, including any shoring, shall have a maximum width equal to the outside diameter of the pipe plus __.
300 mm
600 mm
500 mm
750 mm
Backfill materials shall be laid in horizontal layers, what is its maximum thickness?
150 mm
200 mm
100 mm
250 mm
Backfill materials shall be laid in horizontal layers, what is its maximum compacted density and to be carried to the level of the surrounding ground?
95%
90%
100%
97%
When curing concrete by waterproof Membrane Method, what is the minimum period the curing membrane shall remain in place?
24 Hrs.
48 Hrs.
60 Hrs.
72 Hrs.
If the curing compound has not been used within after the date of manufacture, additional testing may be required before the use to determine compliance to requirements.
60 days
90 days
120 days
30 days
Curing compound shall be applied with a pressurized spray shall be of such character that it will harden __ after application.
60 minutes
90 minutes
120 minutes
30 minutes
What is the pipe lining thickness tolerance?
± 25%
± 35%
± 20%
± 30%
What is the minimum pipe coating thickness as per Item 1602 Pipeline system?
15 mm
20 mm
20 mm
25 mm
All polyethylene pipes shall be rated for use with water at 23°C and at a minimum working pressure of
2.0 MPa
1.5 MPa
1.10 MPa
1.20 MPa
Water Treatment Plant shall include any of the following treatment, except:
Thickening
Mechanical Dewatering
Non-Mechanical Dewatering
Non-Thermal Treatment
Which of the following is not a type of Valve used for water supply system?
Gate
Globe
Butterfly
Elephant
What is the maximum Plasticity Index of fill and backfill material?
6
12
25
30
What is the maximum liquid limit of fill and backfill material?
6
12
25
30
The Contractor shall provide within __ upon issuance of the Notice to Proceed (NTP), the vehicles listed in the Contract for the exclusive use of the DPWH Engineer.
30 CD
45 CD
60 CD
90 CD
What is the minimum roadway lane width when accommodating traffic during work?
2.1 m
2.5 m
3.1 m
3.0 m
For cuts, borings should extend a minimum of below the anticipated depth if the cut at the ditch line.
5.0m
2.5 m
3.0 m
1.5 m
For piles bearing on rock, a minimum of rock core shall be obtained at each exploration point location to verify that the boring has not terminated on a boulder.
5.0 m
2.5 m
3.0 m
1.5 m
During Soil Penetration Test (SPT), the number of blows to drive the last represents the N-value.
300 mm
660 mm
500 mm
760 mm
During Soil Penetration Test (SPT), the sampler is driven into the ground using a 63.6 kg hammer falling freely from a height of
300 mm
660 mm
500 mm
760 mm
What class of concrete shall be used if concrete post is used as temporary fence?
Class A
Class B
Class C
Class D
Curb cut-outs should only be allowed when it will not obstruct a walkway and shall have a minimum width of
900 mm
1000 mm
1200 mm
750 mm
What is the minimum diameter of button sizes at elevator control panels?
15 mm
20 mm
20 mm
25 mm
What is the signage shape for men's washroom and toilet doors? BP 344
square
triangle
circle
rectangle
What is the signage shape for women's washroom and toilet doors? BP 344
square
triangle
circle
rectangle
Transplanting shall be the obligation of the permittee and if it does not survive after __, the permittee shall replace preferably indigenous tree species at a ratio of 1:100 as prescribed under DENR Memorandum Circular 2012-02.
6 months
12 months
9 months
3 months
Which of the following Liquid limit of the embankment material is considered unsuitable?
80
81
56
31
Which of the following Plasticity Index of the embankment material is considered unsuitable?
80
81
56
31
Soil poisoning shall be done by trained personnel with a minimum of __ years experience for proper execution of the work.
1 year
2 years
3 years
5 years
Toxicant for soil poisoning shall be applied at least __ prior to placement of concrete which shall be in contact with treated materials.
12 Hours
6 hours
24 hours
48 hours
Upon completion and acceptance of the soil poisoning work, the Contractor shall furnish a written guarantee stating that termite control is guaranteed for a minimum period of __ years.
1 year
2 years
3 years
5 years
Under storm drainage and sewerage system, what is minimum wall thickness of a steel septic tank?
2.77 mm
3.77 mm
4.77 mm
3.50 mm
When installing pipes for drainage and sewerage systems, what is the minimum bedding thickness?
1/2 of pipe's diameter
1/4 of pipe's diameter
1/3 of pipe's diameter
1/5 of pipe's diameter
What is the minimum number of compartments for septic tank?
1
2
3
4
Water supply pipes shall be galvanized iron pipe schedule __.
100
20
80
40
When conducting a water test on the plumbing system, the water shall be kept in pipe system or in the portion under test, for at least __ before inspection starts.
30 minutes
15 minutes
20 minutes
45 minutes
When conducting drainage System test, the system shall hold the water for a full __ during which time there shall be no drop greater than 102 mm.
30 minutes
15 minutes
20 minutes
45 minutes
Powder Termiticide shall not be used if rain is expected to occur within __ of application.
12 Hours
6 hours
24 hours
48 hours
For low penetration and sloping sites, how depth is the surface to be scarified before applying toxicants?
25 mm
50 mm
75 mm
100 mm
When soil shows termite infestation, the building area shall be thoroughly drenched with Type I working solution at the rate of
12 L/m2
6 L/m2
24 L/m2
8 L/m2
When soil shows NO termite infestation, the area shall be applied with Type I working solution at the rate of
12 L/m2
6 L/m2
24 L/m2
8 L/m2
What method of soil poisoning is to be used when there is no visible evidence of termite infestation?
Cordoning
Drenching
Confining
Soaking
What method of soil poisoning is to be used when the soil shows visible evidence of termite infestation?
Cordoning
Drenching
Confining
Soaking
Maximum diameter of reinforcing bars shall not exceed of the total thickness of slab.
1/8 th
1/5 th
1/6 th
