Materials Quiz Questions And Answers

100 Questions | By Matthewsdizon | Updated: Dec 14, 2022 | Attempts: 646

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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.

Questions and Answers

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