Masonry Practice Test 2

26 Questions | Total Attempts: 4261

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Masonry Quizzes & Trivia

You have 1 hour to complete this test.


Questions and Answers
  • 1. 
    Bars spliced by non-contact lap splices shall not be spaced transversely farther apart than _______ the required length of lap nor more than 8 inches.
    • A. 

      1/5

    • B. 

      1/8

    • C. 

      1/4

    • D. 

      3/8

  • 2. 
    Walls should be protected from rain ________, depending on the temperature, so that the mortar is fully set and bond has occurred.
    • A. 

      10 to 20 hours

    • B. 

      15 to 24 hours

    • C. 

      24 to 48 hours

    • D. 

      32 to 48 hours

  • 3. 
    Control joints provide for movement of a wall in contraction and can have some solid masonry or grout in the joint.
    • A. 

      True

    • B. 

      False

  • 4. 
    For low-lift grouting, grout shall not be poured until the mortar has set _____ to adequately withstand the pressure of the grout.
    • A. 

      At least 16 hrs. past final set

    • B. 

      A sufficient time

    • C. 

      To full strength

    • D. 

      A minimum of 24 hrs

  • 5. 
    Due to improper location or failure to install dowels, new dowels may be __________.
    • A. 

      Not necessary

    • B. 

      Disputed by the contractor

    • C. 

      Required

    • D. 

      Part of a code provision

  • 6. 
    When ambient temperature is between 40°F and 32°F, _____ shall be heated to produce mortar between 40°F and 120°F.
    • A. 

      Concrete sand

    • B. 

      Drinking water

    • C. 

      Mortar sand or mixing water

    • D. 

      Mortar sand and mixing water

  • 7. 
    The maximum tie spacing may not exceed 16 longitudinal bar diameters, __________ tie diameters, or the least column dimensions.
    • A. 

      12

    • B. 

      16

    • C. 

      24

    • D. 

      48

  • 8. 
    In order to obtain a 28 day grout compressive strength of 2,000 psi, the seven day test, if taken, should be at least _______psi.
    • A. 

      1000

    • B. 

      1200

    • C. 

      1500

    • D. 

      2000

  • 9. 
    Control joints must be ______ with structural anchoring requirements of intersection walls.
    • A. 

      Independent

    • B. 

      Anchored

    • C. 

      Coordinated

    • D. 

      Separated

  • 10. 
    The normal head size of a vibrator is ___________.
    • A. 

      ¾”

    • B. 

      1"

    • C. 

      ¾” to 1 ½”

    • D. 

      1” to 1 ½”

  • 11. 
    When the outside air temperature is less than 20°F, ___________ shall be provided to maintain the air temperature above 32°F.
    • A. 

      Mason jackets

    • B. 

      Heated mortar boards

    • C. 

      Enclosures or auxiliary heat

    • D. 

      Enclosures and auxiliary heat

  • 12. 
    Control joints are for the purpose of ____________.
    • A. 

      Allowing concrete block to expand

    • B. 

      Allowing the block to shrink without widespread cracking

    • C. 

      Strengthening walls

    • D. 

      Weakening walls

  • 13. 
    Special grout lifts of 12.67 feet maximum are permitted when ________.
    • A. 

      Masonry has cured for at least 4 hours

    • B. 

      Grout slump is between 10 and 11 inches

    • C. 

      There are no intermediate reinforced bond beams

    • D. 

      All of the above

  • 14. 
    Grout shall have a minimum compressive strength of _________psi at 28 days.
    • A. 

      1500

    • B. 

      1900

    • C. 

      2000

    • D. 

      2500

  • 15. 
    Masonry walls that are covered with plastic or canvas should cover the top of the wall and hang over at least _________ on the face.
    • A. 

      12"

    • B. 

      2'

    • C. 

      3'

    • D. 

      4'

  • 16. 
    The maximum spacing of cleanouts in a solid grouted system shall not exceed _________ inches.
    • A. 

      8

    • B. 

      24

    • C. 

      32

    • D. 

      48

  • 17. 
    According to ASTM C 476, grout prepared at the jobsite shall be mixed for a minimum of ___________minutes.
    • A. 

      1

    • B. 

      3

    • C. 

      5

    • D. 

      10

  • 18. 
    The temperature of masonry units shall not be less than _____ when laid in masonry.
    • A. 

      10°F

    • B. 

      20°F

    • C. 

      30°F

    • D. 

      40°F

  • 19. 
    When applicable, prisms shall be grouted not less than __________, nor more than ___________ after construction of the prism.
    • A. 

      6 hours /12 hours

    • B. 

      1 day/ 2 days

    • C. 

      1 day/ 3 days

    • D. 

      2 days/ 3 days

  • 20. 
    Grout pours _________may be consolidated by puddling.
    • A. 

      12 inches or less

    • B. 

      Less than 24 inches

    • C. 

      That are non structural

    • D. 

      In partially grouted walls

  • 21. 
    With masonry units, bonding is achieved by using _________.
    • A. 

      Cement

    • B. 

      Mortar

    • C. 

      Grout

    • D. 

      Mortar and grout

  • 22. 
    If the mean daily air temperature is 20°F, or below, the masonry temperature is ____________.
    • A. 

      To be maintained below 20°F

    • B. 

      To be maintained at 20°F or above

    • C. 

      To be maintained at 32°F

    • D. 

      To be maintained above 32°F

  • 23. 
    Each masonry prism shall be constructed in _________.
    • A. 

      The laboratory

    • B. 

      The contractors yard

    • C. 

      An open moisture tight bag

    • D. 

      A shelter

  • 24. 
    • A. 

      ½

    • B. 

      1

    • C. 

      5/8

    • D. 

      3/4

  • 25. 
    The minimum grout space dimension for AAC masonry units shall be _______ or a 3 inch diameter cell.
    • A. 

      2” x 2”

    • B. 

      2 ½” x 2 ½”

    • C. 

      3” x 3”

    • D. 

      3 ½” x 3 ½”

  • 26. 
    The area of reinforcing bars placed in a cell or in a course of hollow unit construction shall not exceed _________% of the cell area.
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4