Masonry Practice Test 2
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Due to improper location or failure to install dowels, new dowels may be __________.
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Not necessary
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Disputed by the contractor
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Required
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Part of a code provision
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This Masonry Practice Test 2 assesses knowledge in masonry construction, focusing on material handling, weather considerations, structural integrity, and compliance with industry standards.
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- 2.
Special grout lifts of 12.67 feet maximum are permitted when ________.
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Masonry has cured for at least 4 hours
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Grout slump is between 10 and 11 inches
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There are no intermediate reinforced bond beams
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All of the above
Correct Answer
A. All of the aboveExplanation
PG 205, 206 & 213Rate this question:
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- 3.
Walls should be protected from rain ________, depending on the temperature, so that the mortar is fully set and bond has occurred.
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10 to 20 hours
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15 to 24 hours
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24 to 48 hours
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32 to 48 hours
Correct Answer
A. 24 to 48 hoursExplanation
PG 296Rate this question:
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- 4.
Grout shall have a minimum compressive strength of _________psi at 28 days.
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1500
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1900
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2000
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2500
Correct Answer
A. 2000Explanation
PG 85Rate this question:
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- 5.
Control joints are for the purpose of ____________.
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Allowing concrete block to expand
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Allowing the block to shrink without widespread cracking
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Strengthening walls
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Weakening walls
Correct Answer
A. Allowing the block to shrink without widespread crackingExplanation
PG 273Rate this question:
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- 6.
For low-lift grouting, grout shall not be poured until the mortar has set _____ to adequately withstand the pressure of the grout.
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At least 16 hrs. past final set
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A sufficient time
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To full strength
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A minimum of 24 hrs
Correct Answer
A. A sufficient timeExplanation
PG 207, 2nd paragraphRate this question:
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- 7.
Grout pours _________may be consolidated by puddling.
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12 inches or less
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Less than 24 inches
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That are non structural
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In partially grouted walls
Correct Answer
A. 12 inches or lessExplanation
PG 210Rate this question:
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- 8.
Each masonry prism shall be constructed in _________.
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The laboratory
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The contractors yard
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An open moisture tight bag
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A shelter
Correct Answer
A. An open moisture tight bagExplanation
PG 88Rate this question:
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- 9.
The normal head size of a vibrator is ___________.
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¾”
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1"
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¾” to 1 ½”
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1” to 1 ½”
Correct Answer
A. ¾” to 1 ½”Explanation
PG 214Rate this question:
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- 10.
According to ASTM C 476, grout prepared at the jobsite shall be mixed for a minimum of ___________minutes.
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1
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3
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5
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10
Correct Answer
A. 5Explanation
PG 70Rate this question:
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- 11.
Control joints must be ______ with structural anchoring requirements of intersection walls.
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Independent
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Anchored
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Coordinated
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Separated
Correct Answer
A. CoordinatedExplanation
PG 277Rate this question:
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- 12.
When the outside air temperature is less than 20°F, ___________ shall be provided to maintain the air temperature above 32°F.
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Mason jackets
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Heated mortar boards
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Enclosures or auxiliary heat
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Enclosures and auxiliary heat
Correct Answer
A. Enclosures and auxiliary heatExplanation
PG 283 & 289Rate this question:
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- 13.
The minimum grout space dimension for AAC masonry units shall be _______ or a 3 inch diameter cell.
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2” x 2”
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2 ½” x 2 ½”
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3” x 3”
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3 ½” x 3 ½”
Correct Answer
A. 3” x 3”Explanation
PG 206Rate this question:
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- 14.
The area of reinforcing bars placed in a cell or in a course of hollow unit construction shall not exceed _________% of the cell area.
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1
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2
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3
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4
Correct Answer
A. 4Explanation
PG 158 & 159Rate this question:
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- 15.
With masonry units, bonding is achieved by using _________.
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Cement
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Mortar
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Grout
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Mortar and grout
Correct Answer
A. Mortar and groutExplanation
Masonry units, such as bricks or concrete blocks, require bonding to ensure structural stability. Bonding is achieved by using mortar and grout. Mortar is a mixture of cement, sand, and water that is used to bind the masonry units together. It provides a strong adhesive bond between the units. Grout, on the other hand, is a mixture of cement, sand, and water that is used to fill the gaps between the masonry units. It helps to further strengthen the structure and improve its appearance. Therefore, both mortar and grout are essential for achieving proper bonding in masonry construction.Rate this question:
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- 16.
Control joints provide for movement of a wall in contraction and can have some solid masonry or grout in the joint.
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True
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False
Correct Answer
A. TrueExplanation
PG 279Rate this question:
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- 17.
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.
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1000
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1200
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1500
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2000
Correct Answer
A. 1200Explanation
PG 86Rate this question:
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- 18.
If the mean daily air temperature is 20°F, or below, the masonry temperature is ____________.
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To be maintained below 20°F
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To be maintained at 20°F or above
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To be maintained at 32°F
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To be maintained above 32°F
Correct Answer
A. To be maintained above 32°FExplanation
PG 288Rate this question:
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- 19.
When ambient temperature is between 40°F and 32°F, _____ shall be heated to produce mortar between 40°F and 120°F.
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Concrete sand
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Drinking water
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Mortar sand or mixing water
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Mortar sand and mixing water
Correct Answer
A. Mortar sand or mixing waterExplanation
PG 288Rate this question:
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- 20.
Masonry walls that are covered with plastic or canvas should cover the top of the wall and hang over at least _________ on the face.
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12"
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2'
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3'
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4'
Correct Answer
A. 2'Explanation
PG 296Rate this question:
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- 21.
The maximum spacing of cleanouts in a solid grouted system shall not exceed _________ inches.
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8
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24
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32
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48
Correct Answer
A. 32Explanation
PG 209Rate this question:
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- 22.
When applicable, prisms shall be grouted not less than __________, nor more than ___________ after construction of the prism.
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6 hours /12 hours
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1 day/ 2 days
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1 day/ 3 days
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2 days/ 3 days
Correct Answer
A. 1 day/ 2 daysExplanation
PG 89Rate this question:
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- 23.
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.
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1/5
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1/8
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1/4
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3/8
Correct Answer
A. 1/5Explanation
PG 173Rate this question:
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- 24.
The maximum tie spacing may not exceed 16 longitudinal bar diameters, __________ tie diameters, or the least column dimensions.
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12
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16
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24
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48
Correct Answer
A. 48Explanation
PG 187 & 188 (toot note of table 5-H)Rate this question:
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- 25.
The temperature of masonry units shall not be less than _____ when laid in masonry.
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10°F
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20°F
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30°F
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40°F
Correct Answer
A. 20°FExplanation
PG 282Rate this question:
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- 26.
When installing control joints, the mortar joint should be raked _________ inch deep.
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½
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1
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5/8
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3/4
Correct Answer
A. 1Explanation
PG 275Rate this question:
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Quiz Review Timeline (Updated): Mar 22, 2023 +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Mar 22, 2023Quiz Edited by
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Sep 09, 2009Quiz Created by
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