CDC 3e251 Set-a Vol. 2

100 Questions | Total Attempts: 269

SettingsSettingsSettings
CDC Quizzes & Trivia

This quiz will cover all URE multiple choice questions from Vol. 2 of the A-Set of Pavements and Construction Equipment Operator 5-Level upgrade course. All questions are taken directly from the UREs and the multiple choice options are the same. Correct answers reflect the correct answers from the CDC themselves and not necessarily the correct answers from the CERTest


Questions and Answers
  • 1. 
    Storm drains should NOT be used EXCEPT where the slope of the ground is not suited for ditches, gutters, flumes; and where...
    • A. 

      Natural drainage can be used

    • B. 

      Space is restricted

    • C. 

      Safety is not a factor

    • D. 

      Traffic is light

  • 2. 
    Which of these conditions is a function of subsurface drainage?
    • A. 

      To lower the water table

    • B. 

      To drain underground lakes

    • C. 

      To intercept seepage or underground springs

    • D. 

      All of the above

  • 3. 
    The method to lay out an area for drainage structures primarily depends on...
    • A. 

      Location

    • B. 

      Distance to be covered

    • C. 

      Amount of rainfall to be expected

    • D. 

      Type of building equipment used

  • 4. 
    If you are installing culverts or storm drains, the bottom of the trench should be...
    • A. 

      Shaped to fit the pipe

    • B. 

      Shaped the same as the sides

    • C. 

      Filled with select filter material

    • D. 

      Filled with a layer of impervious soil

  • 5. 
    Notches are left in the center of check dams to...
    • A. 

      Prevent washouts

    • B. 

      Retard the water flow

    • C. 

      Prevent silt settlement

    • D. 

      Allow for normal flow of water

  • 6. 
    How can you eliminate silting inside a culvert when the grade must be flatter than the inlet ditch grade?
    • A. 

      Use a spillway at the outlet

    • B. 

      Use a sump at the inlet

    • C. 

      Build a headwall

    • D. 

      Flare the end walls

  • 7. 
    What can you do if you want to funnel water into the inlet of a culvert?
    • A. 

      Build a headwall

    • B. 

      Install a drop inlet

    • C. 

      Flare the endwalls

    • D. 

      Build a spillway

  • 8. 
    Intercepting subsurface drainage is required when...
    • A. 

      Space is limited

    • B. 

      The water table is low

    • C. 

      Groundwater is within 1 foot of the pavement

    • D. 

      Groundwater is within 1 foot of the basecourse

  • 9. 
    What type of structure is constructed by filling a ditch or trench with crushed or broken rock?
    • A. 

      Storm drain

    • B. 

      French drain

    • C. 

      Vertical dry well

    • D. 

      Intercepting drain

  • 10. 
    French drains are NOT reccommended for permanent constuction because they have...
    • A. 

      Inadequate slop

    • B. 

      A tendency to silt up

    • C. 

      A tendemcy to overflow

    • D. 

      The ability to carry only a low amount of water

  • 11. 
    You should treat the bottom of vertical dry wells with calcium chloride of hay to...
    • A. 

      Raise the water table

    • B. 

      Lower the water table

    • C. 

      Assist in drainage

    • D. 

      Prevent freezing

  • 12. 
    Holes in perforated pipe should be placed UP when...
    • A. 

      The structure is to be placed along the side of pavement

    • B. 

      The structure is to be placed under the pavement

    • C. 

      Slope is not a factor

    • D. 

      The grade is steep

  • 13. 
    After you place either your impervious soil layer, or filter material for subsurface structure, make sure the BOTTOM of the trench is...
    • A. 

      Shaped to fit the pipe

    • B. 

      At the correct slope

    • C. 

      In a V-shape

    • D. 

      Rounded

  • 14. 
    What type of drainage inspection should you perform during or immediately after a rainstorm?
    • A. 

      Riding

    • B. 

      Walking

    • C. 

      Operational

    • D. 

      Maintenance

  • 15. 
    Where a drain line in blocked because of pipe collapse, you should find the blockage by...
    • A. 

      Flushing with high-pressure water

    • B. 

      Probing with cleaning rods

    • C. 

      Using a plumber's snake

    • D. 

      Digging up the line

  • 16. 
    What can you do to prevent erosion in front of a check dam?
    • A. 

      Heighten the dam

    • B. 

      Build a spillway

    • C. 

      Expand the sidewalls

    • D. 

      Build additional dams

  • 17. 
    To control erosion at the OUTLET end of a culvert you should...
    • A. 

      Build a spillway with concrete

    • B. 

      Flare the end walls

    • C. 

      Install a plank headwall

    • D. 

      Install a check dam

  • 18. 
    You should install a drop inlet at the end of a culvert to...
    • A. 

      Increase water flow

    • B. 

      Prevent erosion

    • C. 

      Control silting

    • D. 

      Act as a funnel

  • 19. 
    If a subsurface drain becomes clogged, it can be cleaned by...
    • A. 

      Hauling off debris

    • B. 

      Flushing with detergents

    • C. 

      Flushing with high-pressure water

    • D. 

      Blowing it out with high-pressure air

  • 20. 
    Which soil horizon is the base for ALL types of pavement construction?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 21. 
    Which soil classification is amde up of sand and  gravel in the "B" horizon and has 50% or LESS material passing the No. 200 sieve?
    • A. 

      Coarse-grained

    • B. 

      Fine-grained

    • C. 

      Organic

    • D. 

      Plastic

  • 22. 
    If you are laying out an area for conrete, how many inches on each side should you allow for the widht of the forms?
    • A. 

      2

    • B. 

      4

    • C. 

      6

    • D. 

      8

  • 23. 
    What is the only real difference between laying out a large area and a small area?
    • A. 

      Terrain

    • B. 

      Weather conditions

    • C. 

      Equipment available

    • D. 

      Amount of work

  • 24. 
    You should place the first centerline stake for concrete at the...
    • A. 

      First curve

    • B. 

      End of the curve

    • C. 

      Beginning of the project

    • D. 

      End of the project

  • 25. 
    What symbol should be on a stake placed where a curve returns to a straightaway?
    • A. 

      PC

    • B. 

      PI

    • C. 

      PT

    • D. 

      C

Back to Top Back to top