MANUAL REVIEWER COMBI 3 Flashcards
What is the minimum years of experience for the manufacturers of gypsum board?
A. 3
B. 5
C. 10
D. 2
B
During the application or installation of gypsum boards, what is the maximum spacing of screws?
A. 300 mm
B. 450 mm
C. 250 mm
D. 350 mm
A
Liquid waterproofing membrane shall not be applied unless the ambient temperature is ___ or higher
A. 4.44 deg C
B. 3.33 deg C
C. 2.22 deg C
D. 1.11 deg C
A
For corrugated Asphalt Sheet, each roof in position shall withstand up to ___ of wind pressure
A. 100 kph
B. 200 kph
C. 250 kph
D. 500 kph
B
Lumber for doors, windows, and panels, when required, shall be kiln-dried with a moisture content of not more than ___
A. 14%
B. 12%
C. 15%
D. 10%
A
What is the minimum thickness of wood tiles?
A. 15 mm
B. 18 mm
C. 19 mm
D. 20 mm
C
Wood tile shall be Narra, Tanguile, or other hardwood species, kiln-dried of not more than ___ moisture content
A. 6 - 10%
B. 6 - 8%
C. 5 - 8%
D. 5 - 10%
B
When application of installation of Vinyl Tiles, start in the ___ of the room or area
A. center
B. edges
C. one-side
D. anywhere
A
Concrete sub-surface must be kept wet for at least ___ before the pea gravel mix is applied
A. 2 hours
B. 3 hours
C. 4 hours
D. 5 hours
C
For pebble washout finish, what is the minimum days of curing?
A. 4
B. 5
C. 6
D. 7
C
What is the minimum tensile strength for fiber reinforced polymer?
A. 3400 MPa
B. 3500 MPa
C. 2500 MPa
D. 3000 MPa
A
For carper floor tiles, the installation procedures are designed for qualified installers with a minimum of ____ experience
A. 3 years
B. 5 years
C. 10 years
D. 2 years
B
Sampling and testing of metal lath shall be 1 sheet from each bundle of package, but not more than ___ from one shipment for testing
A. 3 sheets
B. 5 sheets
C. 10 sheets
D. 2 sheets
B
What is the minimum warranty of concrete roof tiles upon completion?
A. 3 years
B. 5 years
C. 10 years
D. 2 years
B
It is prohibited to walk on the concrete roof tiles for a minimum of ___ after installation is complete
A. 72 hours
B. 60 hours
C. 48 hours
D. 24 hours
A
The lengths of polycarbonate sheets or panels shall have an overlap of ___
A. 150 mm
B. 180 mm
C. 190 mm
D. 200 mm
D
Damp proofing shall not be applied when the ambient temperature of the concrete temperature is below ___ deg C
A. 7.44
B. 6.33
C. 7.20
D. 6.20
C
Damp proofing should be applied in the afternoon after the concrete surface has been exposed to the sun and air for at least ___
A. 3 hours
B. 4 hours
C. 5 hours
D. 6 hours
D
What type of Hydrated Lime is used for stucco finish
A. Type A
B. Type B
C. Type S
D. Type D
C
The maximum prescribed dosage rate of a pigment used for stucco finish shall be equal to or less than ___ of cement
A. 5 mass percent
B. 10 mass percent
C. 15 mass percent
D. 20 mass percent
B
What is the minimum thickness of laminated wood tiles
A. 6 mm
B. 10 mm
C. 12 mm
D. 15 mm
A
What is the maximum thickness of laminated wood tiles
A. 6 mm
B. 10 mm
C. 12 mm
D. 15 mm
C
The hydrated lime used for ceramic and granite tiles shall be hydrated lime with free un-hydrated oxide and magnesium content not to exceed ___ by weight
A. 10%
B. 8%
C. 5%
D. 7%
B
Delivery of clary roof tiles shall contain not less than ___ whole tiles. The term whole tiles shall be understood as tiles meeting the appearance requirements of the specification
A. 100%
B. 95%
C. 90%
D. 75%
B
Where a nonslip cement floor finish is required, give the surface a broom or belt finish or a dry-shake application of crushed aluminum oxide with rate of applicated not less than ___
A. 1.2 kg/cu.m
B. 1.5 kg/cu.m
C. 1.8 kg/cu.m
D. 2.0 kg/cu.m
A
To reduce dusting the granolithic marble work, it shall be applied with sodium silicate and cured for at least ____
A. 6 - 10 days
B. 7 - 10 days
C. 5 - 8 days
D. 5 - 10 days
B
For granolithic marble work, a solution of 1 part of sodium silicate ___ of water by volume shall be spread evenly over granolithic mat floor surface
A. 4 - 6 parts
B. 3 - 5 parts
C. 4 - 8 parts
D. 5 - 8 parts
A
What is the nominal thickness tolerance for Polycarbonate sheets?
A. +-10%
B. +-8%
C. +-5%
D. +-7%
C
What is the permissible weight tolerance for metal lath?
A. +-10%
B. +-8%
C. +-5%
D. +-7%
A
Prior to manufacturing of Glass Fiber Reinforced Concentrate (GFRC) cladding panels, the manufacturer shall prepare how many samples representing the proposed finished product showing actual thickness, finish, color, and textures of exposed surfaces?
A. 5
B. 2
C. 3
D. 4
B
Follow up to: Prior to manufacturing of Glass Fiber Reinforced Concentrate (GFRC) cladding panels, the manufacturer shall prepare how many samples representing the proposed finished product showing actual thickness, finish, color, and textures of exposed surfaces?
What is the size of the representative sample?
A. 300 x 300 mm
B. 250 x 250 mm
C. 100 x 100 mm
D. 350 x 350 mm
A
Follow up to: Prior to manufacturing of Glass Fiber Reinforced Concentrate (GFRC) cladding panels, the manufacturer shall prepare how many samples representing the proposed finished product showing actual thickness, finish, color, and textures of exposed surfaces?
How many representative samples shall be retained at the plant for manufacturer’s reference?
A. 1
B. 2
C. 3
D. 4
A
Follow up to: Prior to manufacturing of Glass Fiber Reinforced Concentrate (GFRC) cladding panels, the manufacturer shall prepare how many samples representing the proposed finished product showing actual thickness, finish, color, and textures of exposed surfaces?
How many representative samples shall be submitted by the Contractor subject for approval of the DPWH engineer?
A. 1
B. 2
C. 3
D. 4
A
To ensure proper spacing when installing carpet floor tiles, the distance covered by ___ tiles installed on the floor with no visible gaps, peaks, or overlaps shall be equal to ___ times the tile size +- 0.50 mm
A. 10
B. 5
C. 15
D. 3
A
Stainless Steel Railing shall be rust free for at least ___ after completion
A. 10 years
B. 5 years
C. 15 years
D. 3 years
A
In soil, depth of exploration should exceed the anticipated pile or shaft tip elevation a minimum ___, or a minimum of two times the maximum pile group dimension, whichever is deeper
A. 300 mm
B. 400 mm
C. 500 mm
D. 600 mm
D
Refusal of the split-spoon sampler is considered when 100 blows are obtained to drive the required ___
A. 300 mm
B. 400 mm
C. 500 mm
D. 600 mm
A
Refusal of the split-spoon sampler is considered when ___ consecutive blows produce no advance
A. 30
B. 20
C. 10
D. 25
C
Signages for men’s washroom door shall be an equilateral triangle, what is the dimension of its edges?
A. 250 mm
B. 300 mm
C. 100 mm
D. 350 mm
B
Fly Ash, if specified or permitted as a mineral admixture, it shall not exceed ___ partial replacement of Portland Cement in concrete mix
A. 10%
B. 5%
C. 20%
D. 30%
C
When the concrete is conveyed and placed by pneumatic means, the discharge by the end of the line shall not be more than ___ from the point of deposit
A. 5m
B. 4m
C. 3m
D. 6m
C
When placing concrete by pneumatic means, the equipment shall be so arranged that vibration will not damage freshly placed concrete. What is the minimum capacity of the equipment?
A. 0.5 cu.m
B. 0.4 cu.m
C. 0.3 cu.m
D. 1.0 cu.m
C
Follow up to: When the concrete is conveyed and placed by pneumatic means, the discharge by the end of the line shall not be more than ___ from the point of deposit
What is the maximum capacity of the equipment
A. 0.5 cu.m
B. 0.4 cu.m
C. 03 cu.m
D. 1.0 cu.m
D
What is used to primarily provide a suitable base layer for concrete structures?
A. Subbase Course
B. Base Course
C. Lean Concrete
D. Gravel Bedding
C
Based on the requirements for Epoxy-Coated Reinforcing Steel Bars, the thickness measurements below ___ shall be considered cause for rejection
A. 150 um
B. 125 um
C. 300 um
D. 175 um
B
Follow up to: Based on the requirements for Epoxy-Coated Reinforcing Steel Bars, the thickness measurements below ___ shall be considered cause for rejection
For acceptance purposes, at least 90% of all recorded thickness measurements of the coating after curing shall be 175 um to ___ um
A. 150
B. 125
C. 300
D. 175
C
What is the Pin Diameter for Bending Bars with nominal diameter of 25 mm to 28 mm
A. 4D
B. 6D
C. 8D
D. 10D
C
What is the pin diameter for bending bars with nominal diameter of 10 mm to 20 mm
A. 4D
B. 6D
C. 8D
D. 10D
B
What is the pin diameter for bending bars with nominal diameter of 32 mm and greater
A. 4D
B. 6D
C. 8D
D. 10D
D
What is the minimum lap distance for reinforcing bars
A. 150 mm
B. 125 mm
C. 300 mm
D. 175 mm
C
What is the representation for the ultimate capacity of piles in Hiley’s Formula
A. Ru
B. Ra
C. Cu
D. Ca
A
During static pile testing, what is the minimum interval of each load increment
A. 1.5 minutes
B. 1.25 minutes
C. 2.50 minutes
D. 3.00 minutes
C
What is the representation for the capacity of piles in Hiley’s Formula
A. Ru
B. Ra
C. Cu
D. Ca
B
The required minimum penetration of all piles shall be 6m but for exposed piles, the embedded length shall be equal or greater than the exposed length but not less than ___
A. 5m
B. 4m
C. 4.5m
D. 6m
D
What is the maximum diameter of cast-in-place micro piles
A. 150 mm
B. 125 mm
C. 300 mm
D. 175 mm
C
All untreated timber piles shall be peeled by removing all rough bark and at least ___ of the inner bark
A. 80%
B. 75%
C. 85%
D. 90%
A
For treated timber piles, what is the minimum penetration of the preservative into the surface
A. 15 mm
B. 25 mm
C. 20 mm
D. 50 mm
C
Slump of concrete piles shall be within the range of ___ mm
A. 150 - 200
B. 250 - 300
C. 200 - 250
D. 100 - 200
A
Prestressed or precast concrete piles shall not be moved until the tests indicate that the concrete has attained a compressive strength of at least ___ of the design 28-day compressive strength and they shall not be transported or driven until the design 28-day compressive strength has been attained
A. 80%
B. 75%
C. 85%
D. 90%
A
Follow up to: Prestressed or precast concrete piles shall not be moved until the tests indicate that the concrete has attained a compressive strength of at least ___ of the design 28-day compressive strength and they shall not be transported or driven until the design 28-day compressive strength has been attained
If testing equipment is bot available, as in isolated areas, piles shall not be moved until after ___ days after casting
A. 7
B. 14
C.21
D. 28
B
Follow up to: Prestressed or precast concrete piles shall not be moved until the tests indicate that the concrete has attained a compressive strength of at least ___ of the design 28-day compressive strength and they shall not be transported or driven until the design 28-day compressive strength has been attained
If testing equipment is not available, as in isolated areas, piles are not transported or driven prior to ___ days after casting
A. 7
B. 14
C. 21
D. 28
D
Follow up to question: Prestressed or precast concrete piles shall not be moved until the tests indicate that the concrete has attained a compressive strength of at least ___ of the design 28-day compressive strength and they shall not be transported or driven until the design 28-day compressive strength has been attained
If high early strength cement is used, piles shall not be moved, transported, or driven prior to ___ days after casting
A. 7
B. 14
C. 21
D. 28
A
Which of the following is not a mooring fixture as per item 1400?
A. Cleat
B. Post
C. Bollard
D. None of the Above
D
What is the maximum depth of water for which fixed dolphin fenders can be used?
A.
B.
C.
D.
B
Floating dolphin fenders are said to be more feasible and economical beyond ___ depth of water
A. 12m
B. 14m
C. 15m
D. 20m
B
If the geotextile seams are to be sewn in the field, the Contractor shall provide a section of sewn seam that can be sampled by the Engineer before the geotextile is installed. The seam sewn for sampling shall be at least ___ in length in each geotextile direction
A. 1.2m
B. 1.4m
C. 1.6m
D. 1.8m
D
Item shall consist of furnishing and placing ___ as a layer on soils of low bearing capacity to improve its overall stability without the necessity of its removal and to reduce settlement of the overlaying structure as bulkhead or roadway.
A. Reinforcing Mat
B. Reinforcing Steel
C. Geotextiles
D. Geofoam
A
Follow up to: Item shall consist of furnishing and placing ___ as a layer on soils of low bearing capacity to improve its overall stability without the necessity of its removal and to reduce settlement of the overlaying structure as bulkhead or roadway.
For roadways construction over soft foundation, ___ shall be installed with the use of manual labor and shall have an overlap of ___ at a right angle to the centerline of the roadway or embankment
A. 150 mm
B. 250 mm
C. 300 mm
D. 500 mm
C
Which of the following is not a type of Precast Breakwater Structure
A. Hexapod
B. Tetrapod
C. Tri-Blocks
D. None of the above
D
What is the maximum diameter of coarse aggregates used for precast breakwater structures
A. 15mm
B. 25mm
C. 30mm
D. 20mm
D
What is the minimum concrete cover for precast breakwater structures
A. 125 mm
B. 127 mm
C. 128 mm
D. 130 mm
B
The precast breakwater structure shall not be shipped or moved unless the concrete strength has reached at lest ___ of the specified 28-day compressive strength
A. 80%
B. 75%
C. 85%
D. 90%
B
wORKABILITY OF CONCRETE USED FOR PREVAST BREAKWATER STRUCTURES SHALL BE PROPORTIONED TO ACHIEVE A RANGE OF ____
A. 50 - 100 mm
B. 150 - 200 mm
C. 200 - 250 mm
D. 100 - 200 mm
A
The Rubber Dock fender casing shall be repairable in the event of tears or punctures in the elastomer skin. The repaired area shall have not less than ___ of the properties as specified in the item
A. 80%
B. 75%
C. 85%
D. 90%
D
What is the minimum thickness of the outer fender skin of the rubber dock fenders
A. 30 mm
B. 31 mm
C. 32 mm
D. 33 mm
C
Fixing devices for mooring fixtures such as anchor bolts, nuts, and washers shall be hot-zine coated-steel fabricated from steel with minimum tensile strength of ___
A. 34 kg/mm2
B. 35 kg/mm2
C. 36 kg/mm2
D. 37 kg/mm2
D
Gravity hammers shall not weigh less than ___ of the combined weight of the pile and driving head but not less than 2000 kg
A. 80%
B. 75%
C. 85%
D. 60%
D
What is the minimum factor of safety used in Hiley’s formula
A. 2.5
B. 3
C. 3.5
D. 5
B
Precast railings shall be kept damp for a period of at least ___
A. 7 days
B. 8 days
C. 9 days
D. 10 days
D
What is the minimum Young’s Modulus of Elasticity of carbon fiber sheet
A. 300
B. 250
C. 200
D. 230
D
For precast breakwater structures, chipping resulting in a weigh loss exceeding ___ of the average weight of a concrete unit shall be deemed grounds for rejection
A. 10%
B. 15%
C. 25%
D. 30%
A
For precast/prestressed concrete piles, a ___ chamfer strip shall be used in all corners
A. 15mm
B. 25mm
C. 30mm
D. 20mm
B
During static pile testing, the load shall be applied in increment of
A. 3 - 8 t
B. 5 - 10 t
C. 10 - 15 t
D. 15 - 20 t
B
The minimum 28-day compressive strength of concrete for fabricated reinforced concrete pipe culvert shall be ___
A. 27.6 MPa
B. 20.68 MPa
C. 28.00 MPa
D. 30.0 MPa
A
Joint mortar for reinforced concrete pipe culvert shall be used within ___ after its preparation
A. 30 mins
B. 60 mins
C. 45 mins
D. 90 mins
A
Bedding for pipe culverts and storm drains shall conform to Class A, B, and C but if not specified, the requirement for ___ bedding shall apply
A. Class A
B. Class B
C. Class C
D. Class A or B
C
Pipe culverts and storm drains may also be referred as ___
A. RCPC
B. Conduits
C. Drains
D. Sewerage
B
The minimum 28-day compressive strength of concrete for manholes, inlets and catch basins shall be ___
A. 27.6 MPa
B. 20.58 MPa
C. 28.00 MPa
D. 30.0 MPa
B
What is the maximum water absorption of individual cores taken from manholes, inlets and catch basins
A. 8%
B. 7.5%
C. 8.5%
D. 7%
D
What is the maximum capacity of submersible axial and mixed flow pump for intermediate pumping station
A. 1 cu.m/s
B. 2.5 cu.m/s
C. 3 cu.m/s
D. 2 cu.m/s
A
What is the maximum capacity of vertical axial flow pump for intermediate pumping station
A. 1 cu.m/s
B. 2.5 cu.m/s
C. 3 cu.m/s
D. 2 cu.m/s
A
For main pumping station, the portable submersible pump power rating shall be between 0.75 kW to ___
A. 3.75 kW
B. 3.73 kW
C. 2.73 kW
D. 3.00 kW
B
What is the minimum capacity of submersible axial and mixed flow pump for the main pumping station
A. Above 1.0 cu.m/s
B. Above 2.5 cu.m/s
C. Above 3.0 cu.m/s
D. Above 2.0 cu.m/s
A
What is the minimum capacity of vertical axial flow pump for the main pumping station
A. Above 1 cu.m/s
B. Above 2.5 cu.m/s
C. Above 3.0 cu.m/s
D. Above 2.0 cu.m/s
A
This is an energy absorbing device for reducing impact when a moving crane or trolley reaches the end of its permitted travel; or when two moving cranes or trolleys come in contact
A. Buffer
B. Hoist
C. Bridge Bumpers
D. Cab
A
This is the operator’s compartment on a crane
A. Buffer
B. Hoist
C. Bridge Bumpers
D. Cab
D
This is an apparatus which may be a part of a crane, exerting a force for lifting or lowering
A. Buffer
B. Hoist
C. Bridge Bumpers
D. Cab
B
During crane installation minimum clearance of ___ overhead shall be provided and maintained between crane and obstructions
A. 6 cm
B. 7.5 cm
C. 8 cm
D. 5 cm
C
During crane installation minimum clearance of ___ laterally shall be provided and maintained between crane and obstructions
A. 6 cm
B. 7.5 cm
C. 8 cm
D. 5 cm
A
This is the maximum load for which a crane or individual hoist is designated and built by the manufacturer and shown on the equipment nameplate/s
A. Rated Load
B. Normal Load
C. Design Load
D. Look-Ahead Load
A
