Materials Quiz Questions And Answers
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Materials quiz below is a detailed and comprehensive test on different construction materials and related concepts. Take on the 100 questions assessment and see how much you know and how you fair. All the best.
- 1.Which plasticity index is most suitable for aggregate base course?
- A.
5
- B.
10
- C.
15
- D.
50
- 2.The specified flexural strength for paving concrete is
- A.
350
- B.
400
- C.
525
- D.
300
- 3.The sample of 12.5mm diameter steel bar to be submitted for test should be at least
- A.
20cm
- B.
40cm
- C.
100cm
- D.
None of the above
- 4._____ is the method used in determining the strenght of concrete pipe.
- A.
Third point loading
- B.
Three-edge bearing test
- C.
Mid span loading
- D.
None of the above
- 5.Prestressed concrete requires the used of Class __ concrete.
- A.
A
- B.
B
- C.
C
- D.
D
- 6.If an asphalt pavement will be constructed over an old existing concrete pavement ___ should be applied to the concrete pavement.
- A.
Prime coat
- B.
Tack coat
- C.
Seal coat
- D.
Mortar coat
- 7.For bituminous concrete mixes, the asphalt material may either be asphalt cement or asphalt emulsion
- A.
True
- B.
False
- 8.Coarse Aggregate for Bituminous Macadam Pavement should be
- A.
Crushed gravel or stone
- B.
Natural gravel
- C.
Both a and b
- D.
None of the above
- 9.Test for coarse aggregate includes
- A.
Abrasion/mortar strength
- B.
Abrasion/absorption
- C.
Gradation/mortar strength
- D.
Absorption/gradation
- 10.Test for fine aggregate for concrete includes
- A.
Abrasion/mortar strength
- B.
Abrasion/absorption
- C.
Gradation/mortar strength
- D.
Absorption/gradation
- 11.Unless otherwise specified in the special provision, the type of portland cement used in paving concrete shall be
- A.
Type I
- B.
Type II
- C.
Type III
- D.
Type IV
- 12.During construction of road project, if all the materials to be used are tested for quality, inspection is no longer required?
- A.
True
- B.
False
- 13.The degree of compaction of an embankment in our present Specifications is based on
- A.
CBR method
- B.
Unconfined compression test
- C.
AASHTO designation T-180
- D.
Bulk specific gravity
- 14.Under excavation for structure, Item 106, the backfilling operation shall be done in ___ cm loose layer and compacted to at least __ percent.
- A.
15,95
- B.
20,100
- C.
20,95
- D.
15,100
- 15.Soil are natural aggregates of minerals connected by strong and permanent cohesive forces?
- A.
True
- B.
False
- 16.The boundary between sand and gravel is
- A.
0.425mm (#40)
- B.
4.750mm (#4)
- C.
2.00mm (#10)
- D.
0.075mm (#200)
- 17.____ is a soil which exhibits the properties of a clay but contains an appreciable amount of sand.
- A.
Sandy clay
- B.
Clayey sand
- C.
Sand clay
- D.
None of the preceding
- 18.Plasticity test is done on soils passing
- A.
0.425mm (#40)
- B.
4.750mm (#4)
- C.
2.00mm (#10)
- D.
0.075mm (#200)
- 19.____ is the process whereby soil particles are contained more closely together through a reduction in the air voids, generally by mechanical means.
- A.
Soil compaction
- B.
Mechanical analysis
- C.
In-place unit weigh
- D.
CBR
- 20.Soils containing more than 35% passing 0.075mm (#200) sieve are classified under
- A.
Silty-clay materials
- B.
Granular materials
- C.
Both a and b
- D.
It depends on the plasticity index
- 21.____ is provided for the purpose of counteracting moisture movement within the structure either by seepage or capillary action.
- A.
Surface drainage
- B.
Chemical admixtures
- C.
Compaction
- D.
Subsoil drainage
- 22.A subgrade soil with a CBR value of __ % will require a thicker layer of subbase and base course.
- A.
5
- B.
15
- C.
30
- D.
3
- 23.___ is one of the methods of stabilizing inferior soils.
- A.
Particle arrangement
- B.
Sodding or sprigging
- C.
Paving
- D.
Flattening
- 24.The physical and engineering properties of soils may be improved by
- A.
Compaction
- B.
Stabilization
- C.
Both a and b
- D.
Neither a or b
- 25.Water content of soils is generally based on the
- A.
Total weight of soil
- B.
Total volume of soil
- C.
Weight of solids
- D.
None of the preceding
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