ANSWERS
Which of the following is the standard specification for loadbearing
concrete masonry units? - ANSWERASTM C 90; RCMCI 6th Edition, Section 2.2.1
Which of the following grout admixtures is used to obtain a high
slump with reduced water? - ANSWERSuper plasticizer; RCMCI 6th Edition, Section
2.11.6
Which of the following is the standard specification that autoclaved aerated concrete
masonry units must conform to for the strength class specified in the contract
documents? - ANSWERASTM C 1386; CI 530; Part 2, Section 2.3E. IBC
2103.3
Grout intended for use in the construction of engineered and
empirically designed masonry structures must comply with - ANSWERASTM C 476;
2006 IBC 2103.12
The slump test for grout must be performed in accordance with - ANSWERASTM C
1019; ASTM - C1019-03
In what condition are grout specimens to be tested? - ANSWERDamp; ASTM - 1019-03
When the prism test method is being utilized, how long must the
prisms cure prior to being cut? - ANSWER28; 2006 IBC 2105.3.1
After construction and grouting, masonry test prisms should not be
disturbed or moved for a minimum of - ANSWER48 hours; ASTM - C 1314, Section
5.10
When field sampling grout, the elapsed time between obtaining the
first and final portions of the sample shall not be more than - ANSWER15 minutes;
ASTM - C1019, Section 7.2.1
If mortar compression tests are required, how many tests per day are to be taken for the
three successive work days at the start of the job? - ANSWER1; RCMCI 6th Edition,
3.2.4
Glass unit masonry shall not be laid at temperatures below - ANSWER60 degrees F;
2006 IBC 2104.3.2.1
, What is the maximum mean daily temperature permitted before newly constructed
masonry must be fog sprayed during curing? - ANSWER100 degrees F; 2006 IBC
2104.4.3
When the temperature is below 40 degrees F, newly constructed
masonry must be covered with a weather resistant membrane for a
minimum of - ANSWER24 hours; 2006 IBC 2104.3.3.3
After initial mixing, when the ambient temperature exceeds 90
degrees F with a wind velocity over 8 mph, mortar used in masonry
construction must be discarded after - ANSWER2 hours; 2006 IBC 2104.4.2.1
Which type of unit masonry is required to be placed with head and bed joints solidly
filled? - ANSWERGlass; 2006 IBC 2104.1.2.4
Thin bed mortar joints used in laying autoclaved aerated concrete
masonry units shall not exceed a thickness of - ANSWER1/16"; 2006 IBC 2104.1.2.6
When the ambient temperature exceeds 100 degrees F or exceeds 90 degrees F with a
wind velocity over 8 mph, what is the maximum
distance that mortar may be spread ahead of AAC masonry units? - ANSWER4';
RCMCI 6th Edition, Section 11.2.4,
2006 IBC 2104.4.2.1(5).
What is the maximum spacing for weep holes placed in the outside
wythe of masonry walls? - ANSWER33" on center; 2006 IBC 2104.1.8
The maximum corbeled projection beyond the face of the wall for
multiwythe walls bonded by mortar or grout, and wall ties or masonry
headers is - ANSWER1/2 the wall thickness; 2006 IBC 2104.2
The maximum spacing of movement joints is - ANSWER25' or three times the wall
height; ACI 530
In masonry construction, what type of joint is used to allow
dimensional changes in masonry, minimize random wall cracks and
other distress? - ANSWERMovement joint; ACI 530
In masonry construction, what is the maximum tolerance permitted
for vertical alignment of nonbearing columns and walls? - ANSWER+/- 3/4"; ACI 530, S-
21, Section 3.3G (2) (d)
Which type of mortar is used for placing adhered masonry veneer? - ANSWERType S;
ACI 530, S-2O, Section 3.3C (2)
What is the minimum thickness required for parapet walls of