Materials 2

100 Questions | Total Attempts: 535

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Material Quizzes & Trivia

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Questions and Answers
  • 1. 
    __ test determines the amount of asphalt present in a bituminous mix
    • A. 

      Distillation

    • B. 

      Extraction

    • C. 

      Solubility

    • D. 

      Compression

  • 2. 
    The softness and hardness of an asphaltic materials can be determined by ___ test
    • A. 

      Softening point

    • B. 

      Loss on heating

    • C. 

      Penetration

    • D. 

      Distillation

  • 3. 
    The temperature of bituminous hot mix delivered in the project site should not be less than its __ temperature.
    • A. 

      Mixing

    • B. 

      Compaction

    • C. 

      Molding

    • D. 

      Spreading

  • 4. 
    Resistance to deformation of bituminous mixture is measured by ___
    • A. 

      Flow index

    • B. 

      Index of retained strength

    • C. 

      Ductility test

    • D. 

      Extraction test

  • 5. 
    The apparatus used in determining the grade of asphalt cement is
    • A. 

      Hydrometer

    • B. 

      Penetromanometer

    • C. 

      Petronmeter

    • D. 

      Penetrometer

  • 6. 
    In an Immersion-Compression test, molding of specimen is done into ___ layers
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 7. 
    In Marshall Stability, molding of specimen is done into __ layer
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 8. 
    The actual cementing power in asphalt is called the __
    • A. 

      Petrolene

    • B. 

      Asphaltene

    • C. 

      Bitumen

    • D. 

      Resin

  • 9. 
    An asphalt pavement needs sufficient ___ to avoid flushing or bleeding
    • A. 

      Compaction

    • B. 

      Air voids

    • C. 

      Binder

    • D. 

      Mineral filler

  • 10. 
    A job-mix formula provides for close control of
    • A. 

      Asphalt content

    • B. 

      Aggregate gradation

    • C. 

      Temperature of asphalt, aggregate and mix

    • D. 

      All of the above

  • 11. 
    The thinnest and most fluid grade of medium curing cutback asphalt is: 
    • A. 

      MC-800

    • B. 

      MC-250

    • C. 

      MC-70

    • D. 

      MC-30

  • 12. 
    The amount of asphalt in a typical asphalt emulsion is
    • A. 

      40%

    • B. 

      50%

    • C. 

      60%

    • D. 

      70%

  • 13. 
    Another name for joint filler is
    • A. 

      Asphalt cement

    • B. 

      Cutback asphalt

    • C. 

      Mineral filler

    • D. 

      Blown asphalt

  • 14. 
    The type of asphaltic material that is usually classified by its viscosity is
    • A. 

      Liquid asphalt

    • B. 

      Blown asphalt

    • C. 

      Rock asphalt

    • D. 

      Lake asphalt

  • 15. 
    Item 310, bituminous surface course, hot laid provides an air voids between
    • A. 

      3-5%

    • B. 

      5-7%

    • C. 

      5-8%

    • D. 

      8-10%

  • 16. 
    Emulsified asphalt that has a positive charge particle is usually classified
    • A. 

      Anionic

    • B. 

      Cationic

    • C. 

      Pozzolanic

    • D. 

      Ultrasonic

  • 17. 
    The characteristics of a butuminous mix that indicates to disintegration is called
    • A. 

      Stability

    • B. 

      Flexibility

    • C. 

      Durability

    • D. 

      Integrity

  • 18. 
    The coarse aggregate used in bituminous mix are those retained at sieve no.
    • A. 

      8

    • B. 

      10

    • C. 

      30

    • D. 

      200

  • 19. 
    __ test compares the compressive strength of dry and wet specimen of bituminous mix
    • A. 

      Marshall stability

    • B. 

      Immersion-compression

    • C. 

      Extraction

    • D. 

      Bulk specific gravity

  • 20. 
    In Item 310, bituminous surface course, hot laid requires 70% minimum of index of retained strength (IRS). In the immersion-compression test, the dry stability is about 900 psi. Based on the data, the wet stability be at least __ psi.
    • A. 

      270

    • B. 

      630

    • C. 

      1286

    • D. 

      830

  • 21. 
    A compacted bituminous pavement shall have a minimum density of equal to or greater than __ %
    • A. 

      85

    • B. 

      90

    • C. 

      95

    • D. 

      100

  • 22. 
    The rate of application of emulsified asphalt used as tack coat, should be within the range of __ liter/sq.m
    • A. 

      0.2-0.5

    • B. 

      0.2-0.7

    • C. 

      0.15-0.7

    • D. 

      1.0-2.0

  • 23. 
    The type of asphaltic material that is being referred to by penetration grade is
    • A. 

      Emulsified asphalt

    • B. 

      Cutback asphalt

    • C. 

      Asphalt cement

    • D. 

      Mastic asphalt

  • 24. 
    The service performance of an asphalt pavement is greatly influence by
    • A. 

      Grade of asphalt

    • B. 

      Quantity of asphalt

    • C. 

      A and b

    • D. 

      None of the above

  • 25. 
    In bituminous mixture, aggregates account for 92%-95% of the weight of the mixture, while asphalt ( the binder of aggregates) accounts for __
    • A. 

      3-5%

    • B. 

      5-8%

    • C. 

      5-10%

    • D. 

      7-10%