Masonry Practice Test 1

27 Questions

Settings
Please wait...
Masonry Quizzes & Trivia

You have 1 hour to complete this test.


Questions and Answers
  • 1. 
    Control joints are considered joints that will _______shortening, shrinkage and/or reduction in the length of the wall.
    • A. 

      Coordinate

    • B. 

      Accommodate

    • C. 

      Reduce

    • D. 

      Control

  • 2. 
    A “standard hook” can be a 180° turn plus an extension of at least __________ bar diameters, but not less than ________ inches at the free end of the bar.
    • A. 

      4, 2 ¼

    • B. 

      4, 2 ½

    • C. 

      2, 2 ¾

    • D. 

      2, 3

  • 3. 
    The cleanout opening at the bottom of a masonry wall is a minimum of __________.
    • A. 

      3 inches in any direction

    • B. 

      4 inches by 4 inches

    • C. 

      32 inches

    • D. 

      2 inches in any direction

  • 4. 
    • A. 

      8

    • B. 

      6

    • C. 

      4

    • D. 

      2

  • 5. 
    Movements can occur from a number of sources, such as _________.
    • A. 

      Ground settlement

    • B. 

      Material expansion and contraction

    • C. 

      Seismic activity

    • D. 

      All of the above

  • 6. 
    The compressive strength of grout in concrete masonry construction is recommended to be at least _________ to _________ times the design strength of the masonry assemblage.
    • A. 

      1.00, 1.25

    • B. 

      1.25, 1.33

    • C. 

      1.33, 1.45

    • D. 

      1.50, 1.60

  • 7. 
    The minimum clearance required between reinforcing steel and the CMU in a grouted cell using coarse grout is ___________.
    • A. 

      1 bar diameter

    • B. 

      ¼ inch

    • C. 

      ½ inch

    • D. 

      1 inch

  • 8. 
    The maximum grout pour using the high lift grouting method for a clear cell area of 3 inches by 3 inches is _________.
    • A. 

      5 feet

    • B. 

      8 feet using coarse grout

    • C. 

      12 feet

    • D. 

      24 feet using fine grout

  • 9. 
    When the air temperature is 25°F, requirements shall include ___________.
    • A. 

      Heating the cement

    • B. 

      Maintaining mortar on board above freezing

    • C. 

      Heating sand above 120°F

    • D. 

      Heating water above 120°F

  • 10. 
    In a low lift grout pour, the grouting is stopped approximately __________below the top of the masonry unit.
    • A. 

      ½ inch

    • B. 

      1 inch

    • C. 

      1 ½ inch

    • D. 

      2 inches

  • 11. 
    For coarse grout, the maximum total aggregate measured in a damp loose condition shall be _________ times the sum of the volume of the cementitious material.
    • A. 

      3

    • B. 

      3 ¼

    • C. 

      4 ¼

    • D. 

      5

  • 12. 
    When the mean daily air temperature is between 25°F and 40°F, the masonry shall be protected by covering with a weather-resistive membrane for ______hours.
    • A. 

      12

    • B. 

      24

    • C. 

      36

    • D. 

      72

  • 13. 
    Windbreaks shall be used when the temperature is below 25°F and the wind is _________.
    • A. 

      8 miles per hour or more

    • B. 

      10 miles per hour or more

    • C. 

      12 miles per hour or more

    • D. 

      Greater than 15 miles per hour

  • 14. 
    After the initial water has been introduced to the mix, mortar should be used within ____________.
    • A. 

      30 minutes

    • B. 

      1 hour

    • C. 

      1 ½ hours

    • D. 

      2 ½ hours

  • 15. 
    A common CMU size is 6” x 8” x 16”.  6” refers to the ____________.
    • A. 

      Width

    • B. 

      Height

    • C. 

      Length

  • 16. 
    During hot weather conditions, newly constructed masonry shall be fog sprayed until damp at least ________ a day for the first three days.
    • A. 

      1 time

    • B. 

      2 times

    • C. 

      3 times

    • D. 

      4 times

  • 17. 
    When associated with masonry reinforcing steel, the d distance is defined as the distance from ________ to the center of reinforcing steel.
    • A. 

      The inside of the face shell

    • B. 

      The nearest reinforcing bar

    • C. 

      The farthest face of the CMU

    • D. 

      The centerline of an associated lap splice bar

  • 18. 
    When performing the Cone Penetrometer Test, the depth of penetration is measured in _______________.
    • A. 

      Meters

    • B. 

      Millimeters

    • C. 

      Centimeters

    • D. 

      Inches

  • 19. 
    The recommended slump is necessary so that grout can flow___________.
    • A. 

      Without hydration

    • B. 

      Completely surround the steel

    • C. 

      Into the cracks

    • D. 

      Without hydrostatic pressure

  • 20. 
    Current recommendations from the National Concrete Masonry Association (NCMA) based on engineering and aesthetic design, it is reasonable to maximize horizontal spacing of control joints at ________feet.
    • A. 

      45 to 60

    • B. 

      30 to 45

    • C. 

      25 to 30

    • D. 

      20 to 30

  • 21. 
    When high lift grating, the full height of any section of wall should be completed in one day, with no interruption between lifts greater than__________.
    • A. 

      One hour

    • B. 

      Two hours

    • C. 

      Three hours

    • D. 

      Four hours

  • 22. 
    Expansion joints are used to provide for movement of a wall as it expands and must contain any incompressible material.
    • A. 

      True

    • B. 

      False

  • 23. 
    Mortar projections in grout cells must not project more than ____ inch(es) into the cell.
    • A. 

      0

    • B. 

      1/4

    • C. 

      1/2

    • D. 

      1

  • 24. 
    The minimum cover of reinforcement, including the masonry unit, shall be _______ inch(es) when not exposed to weather.
    • A. 

      5/8

    • B. 

      ¾

    • C. 

      1 ½

    • D. 

      2

  • 25. 
    Grout should be placed within _______ hours after initial water is introduced to the dry ingredients.
    • A. 

      2 ¼

    • B. 

      2 ½

    • C. 

      1 ¼

    • D. 

      1 ½

  • 26. 
    For concrete masonry, spacing of expansion joints should be between ______feet and located with consideration to the shape and plan of the structure.
    • A. 

      150 and 200

    • B. 

      100 and 200

    • C. 

      100 and 150

    • D. 

      150 and 250

  • 27. 
    When required, three prism samples shall be made ____________.
    • A. 

      Weekly

    • B. 

      For each 5,000 square feet of wall area

    • C. 

      For each wall

    • D. 

      For each 5,000 square feet of wall or fraction thereof