Soils Special Inspection Test Questions

45 Questions | Total Attempts: 2917

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Soil Quizzes & Trivia

Who would say that at some point we would be able to test different types of soils for our own good. Take up the quiz below on soils special inspection and see how it goes. All the best.


Questions and Answers
  • 1. 
    You have just finished an in-place density test that resulted in a failing test, who should you contact first?
    • A. 

      Building Official

    • B. 

      Engineer of Record

    • C. 

      Contractor

    • D. 

      Architect

  • 2. 
    When writing a special inspection daily report of soil testing, everything should be included in the report EXCEPT:
    • A. 

      Number of tests performed

    • B. 

      Location of tests

    • C. 

      Test results

    • D. 

      Height of building

  • 3. 
    Refer to Page 3 of plans.  What is the maximum rock size allowed in fill material?
    • A. 

      4"

    • B. 

      3"

    • C. 

      1½"

    • D. 

      2"

  • 4. 
    Refer to Page 1 of plans.  What is the finished floor elevation of the proposed library?
    • A. 

      1056.00

    • B. 

      1042.00

    • C. 

      1052.27

    • D. 

      1055.00

  • 5. 
    What does the peak of a proctor curve represent?
    • A. 

      Maximum dry density

    • B. 

      Maximum wet density and optimum moisture content

    • C. 

      Optimum moisture content

    • D. 

      Maximum dry density and optimum moisture content

  • 6. 
    When performing Method C of ASTM D 1557, the ____ lb hammer should be used.
    • A. 

      5.5

    • B. 

      9

    • C. 

      10

    • D. 

      12

  • 7. 
    According to ASTM 6938, if the density and moisture readings become suspect, you should _____.
    • A. 

      Continue to perform tests until readings better match previous readings

    • B. 

      Perform another standardization test

    • C. 

      Move 6 inches and perform another test

    • D. 

      Turn the machine off and on and perform another test

  • 8. 
    The Plasticity Index (PI) is equal to _________.
    • A. 

      The Liquid Limit (LL) minus the Plastic Limit (PL)

    • B. 

      The Liquid Limit (LL) plus the Plastic Limit (PL)

    • C. 

      The Plastic Limit (PL) plus the Liquid Limit (LL)

    • D. 

      The Plastic Limit (PL) minus the Liquid Limit (LL)

  • 9. 
    Refer to Page 1 of the plans.  What is the elevation of the inlet structure at A10.
    • A. 

      1022

    • B. 

      1020

    • C. 

      1024

    • D. 

      1028

  • 10. 
    Refer to Page 2 of plans. What is the distance (ft) of storm drain between A4 and A5?
    • A. 

      100

    • B. 

      90

    • C. 

      92

    • D. 

      95

  • 11. 
    Refer to Page 1 of plans.  How many feet of fill is necessary at the approximate center of proposed library (assuming a slab thickness plus stone base thickness of 1 foot)?
    • A. 

      5

    • B. 

      7

    • C. 

      3

    • D. 

      2

  • 12. 
    What is the required percent compaction of fill soils for the project?
    • A. 

      98% of Standard Proctor

    • B. 

      98% of Standard Proctor in upper 2 feet of fill

    • C. 

      95% of Standard Proctor

    • D. 

      95% of Modified Proctor

  • 13. 
    According to ASTM D 75, if the maximum aggregate size is 12.5 mm, what field sample mass must be obtained?
    • A. 

      10 kg

    • B. 

      15 kg

    • C. 

      25 kg

    • D. 

      12 kg

  • 14. 
    According to the International Building Code, all of the following tasks require periodic inspection EXCEPT?
    • A. 

      Verify materials below footings are adequate

    • B. 

      Verify excavations are extended to proper depth

    • C. 

      In the presence of less than 12 inches of fill, verify use of proper materials, densities, and lift thicknesses

    • D. 

      In the presence of more than 12 inches of fill, verify use of proper materials, densities, and lift thicknesses

  • 15. 
    According to the International Building Code, the maximum lift thickness of backfill material is _____ inches
    • A. 

      10

    • B. 

      8

    • C. 

      9

    • D. 

      6

  • 16. 
    What is the BEST compaction equipment for clayey and silty soils?
    • A. 

      Non-vibe sheep’s foot

    • B. 

      Vibratory sheep’s foot

    • C. 

      Vibratory flat-drum roller

    • D. 

      Tracked by dozer

  • 17. 
    While performing a sand-cone density test, an operator turns on his machine and causes vibrations at your test location, causing additional sand to enter hole.  This will cause your test results to show a _____.
    • A. 

      A higher wet density

    • B. 

      A higher moisture content

    • C. 

      A higher dry density

    • D. 

      A lower dry density

  • 18. 
    A slope is adjacent to a graded building pad with an elevation of 1048.2.  The slope is not yet complete but you need to determine the current elevation for your report.  You take three 6-ft readings and an additional 2-ft reading with your hand level.  What is the current elevation of slope?
    • A. 

      1068.2

    • B. 

      1062.2

    • C. 

      1066.2

    • D. 

      1056.2

  • 19. 
    If you are determining the water content of soil when it just begins to crumble when rolled into a 1/8-inch thread, you are determining the _____ of ASTM D 4318.
    • A. 

      Liquid Limit

    • B. 

      Plasticity Index

    • C. 

      Plastic Limit

    • D. 

      Liquid Index

  • 20. 
    All of the following EXCEPT ____ will affect the moisture reading of the nuclear gage.
    • A. 

      Micaceous soils

    • B. 

      Silica sand

    • C. 

      Organic material

    • D. 

      Boron, chlorine and cadmium

  • 21. 
    • A. 

      107.7

    • B. 

      107.9

    • C. 

      108.0

    • D. 

      108.1

  • 22. 
    Dry density of soil is 115.2.  Maximum dry density is 120.4.  What is percent compaction?
    • A. 

      96

    • B. 

      95

    • C. 

      97

    • D. 

      94

  • 23. 
    Refer to Page 2 of the plans. Approximately how many feet of fill is necessary above the top of pipe at Yard Inlet A5 to be back at the existing grade?
    • A. 

      2

    • B. 

      5

    • C. 

      4

    • D. 

      5.5

  • 24. 
    After performing Atterberg Limit’s testing, you determine the LL for a soil is 52 and the PL is 18.  What would be the classification of this soil?
    • A. 

      MH

    • B. 

      CL

    • C. 

      SM

    • D. 

      CH

  • 25. 
    A survey stake that reads C250 indicates that:
    • A. 

      The ground level is too high by 2.5 inches

    • B. 

      The ground level is too high by 2.5 feet

    • C. 

      The ground level is too low by 2.5 inches

    • D. 

      The ground level is too low by 2.5 feet