3e571 CDC Volume 2

100 Questions | Total Attempts: 243

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CDC Quizzes & Trivia

Practice test for Engineering Assistant Vol 2 CDC


Questions and Answers
  • 1. 
    What facility design element determines how well a facility serves the mission requirement and its occupants on a day in and day out basis?
    • A. 

      Functionality

    • B. 

      Flexibility

    • C. 

      Accuracy

    • D. 

      Economy

  • 2. 
     When assessing existing conditions at a proposed construction site, what potential hazards should you look for?
    • A. 

      Weapons storage area, asbestos, lead-based paint, and contaminated soil.

    • B. 

      Asbestos, Weapons storage area, and contaminated soil.

    • C. 

      Asbestos, lead-based paint, and Weapons storage area.

    • D. 

      Asbestos, lead-based paint, and contaminated soil.

  • 3. 
    What should govern all military construction design?
    • A. 

      Flexibility

    • B. 

      Accuracy

    • C. 

      Economy

    • D. 

      Function

  • 4. 
    What design standards do you need to be aware for all military construction?
    • A. 

      Military and government only.

    • B. 

      Military, industrial, and government

    • C. 

      Military, industrial, and local ordinances.

    • D. 

      Metropolitan ordinances, military, and industrial.

  • 5. 
    Where can you find the military design standards for military construction?
    • A. 

      AFMC

    • B. 

      AFCESA

    • C. 

      US Army Corps of Engineers

    • D. 

      United Facilities Guide Specification.

  • 6. 
    In the Unified Soils Classification System, what type of soil group does the letter "M" designates?
    • A. 

      Silt

    • B. 

      Sand

    • C. 

      Gravel

    • D. 

      Highly organic

  • 7. 
    At least what percent of the soil must be retained on the No. 200 sieve for it to be classified as coarse grained?
    • A. 

      10 percent

    • B. 

      20 percent

    • C. 

      40 percent

    • D. 

      50 percent

  • 8. 
    What size sieve is used to distinguish between gravels and sands?
    • A. 

      No. 4

    • B. 

      No. 10

    • C. 

      No. 40

    • D. 

      No. 200

  • 9. 
    Which of these properties indicate whether or not soil contains clay?
    • A. 

      Cohesion

    • B. 

      Plasticity

    • C. 

      Compaction

    • D. 

      Permeability

  • 10. 
    When wet soil is air-dried in a laboratory, the moisture is removed by evaporation until
    • A. 

      a constant weight is attained

    • B. 

      The meniscus in the pore openings restricts the rate of capillary rise

    • C. 

      The hygroscopic moisture in the soil is in equilibrium with the moisture vapor in the air.

    • D. 

      the capillary fringe in the soil recedes to a point where it is in equilibrium with hygroscopic moisture.

  • 11. 
      What is the plasticity index of a soil with a liquid limit of 28 and a plastic limit of 21?
    • A. 

      0.75

    • B. 

      1.33

    • C. 

      7.00

    • D. 

      49.0

  • 12. 
     What do we call the particle size distribution of a soil aggregate?
    • A. 

      Angularity

    • B. 

      Durability

    • C. 

      Gradation

    • D. 

      Granularity

  • 13. 
    A soil whose individual grains cover a narrow range of particle sizes is
    • A. 

      un-graded

    • B. 

      Gap-graded

    • C. 

      well-graded

    • D. 

      poorly-graded

  • 14. 
    What should be done if a structure is likely to be affected by the ground water table or by capillary action?
    • A. 

      Lower the grade line

    • B. 

      Raise the ground water table

    • C. 

      Keep the site location regardless of cost

    • D. 

      Change the site location if there is enough cause

  • 15. 
    To prevent the flow of water from standing in low places and seeping into the ground,      the minimum longitudinal grade of a ditch should be 
    • A. 

      0.2 percent

    • B. 

      0.5 percent

    • C. 

      2 percent

    • D. 

      5 percent

  • 16. 
    The maximum grade of ditch side slopes is determined by
    • A. 

      The nature of the soil

    • B. 

      The area to be drained

    • C. 

      Specification limitations

    • D. 

      The equipment available

  • 17. 
    Which of these conditions is a function of subsurface drainage?
    • A. 

      To lower the water table

    • B. 

      To raise the water table

    • C. 

      To maintain underground springs

    • D. 

      To collect water in pools or layers beneath the surface

  • 18. 
    What is the minimum distance required between the top of the base course       and the natural water table if frost action is to be prevented?
    • A. 

      2 feet

    • B. 

      3 feet

    • C. 

      4 feet

    • D. 

      5 feet

  • 19. 
    Asphalt cement is usually made fluid by
    • A. 

      Heating

    • B. 

      adding alcohol

    • C. 

      Mixing with coal air

    • D. 

      Adding ascorbic acid

  • 20. 
    Which of these is not one of the functions of aggregate in a bituminous pavement mix? 
    • A. 

      Provide a nonskid surface

    • B. 

      Provide a binder for the bitumen

    • C. 

      Transmit the load to the base course

    • D. 

      Take the abrasive action of the traffic

  • 21. 
    Which of these can determine an aggregate's affinity for water?
    • A. 

      Wash test

    • B. 

      Stripping test

    • C. 

      Distillation test

    • D. 

      Mohs hardness scale

  • 22. 
    Which variables affect the final mix-design of a bituminous pavement?
    • A. 

      Moisture content and aggregate size

    • B. 

      Moisture content, intended use, gradation, and angularity

    • C. 

      Intended use, binder type, loading, and maximum aggregate size

    • D. 

      Plasticity, binder type, maximum aggregate size, and angularity

  • 23. 
    N/A
    • A. 

      N/A

    • B. 

      N/A

  • 24. 
     Water's main function in concrete mix is to 
    • A. 

      Make the mix workable and inhibit hydration

    • B. 

      make the mix workable and start hydration

    • C. 

      Increase weight of mix and inhibit hydration

    • D. 

      decrease the amount of mix and start hydration

  • 25. 
     Fine aggregate used in cement paste should have a
    • A. 

      Rough shape to promote workability

    • B. 

      Round shape to promote workability

    • C. 

      Round shape to promote uniformity

    • D. 

      Rough shape to promote uniformity

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