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. 
B. 
C. 
D. 
2.
Walls should be protected from rain ________, depending on the temperature, so that the mortar is fully set and bond has occurred.
A. 
B. 
C. 
D. 
3.
Control joints provide for movement of a wall in contraction and can have some solid masonry or grout in the joint.
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. 
C. 
D. 
5.
Due to improper location or failure to install dowels, new dowels may be __________.
A. 
B. 
Disputed by the contractor
C. 
D. 
6.
When ambient temperature is between 40°F and 32°F, _____ shall be heated to produce mortar between 40°F and 120°F.
A. 
B. 
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. 
B. 
C. 
D. 
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. 
B. 
C. 
D. 
9.
Control joints must be ______ with structural anchoring requirements of intersection walls.
A. 
B. 
C. 
D. 
10.
The normal head size of a vibrator is ___________.
A. 
B. 
C. 
D. 
11.
When the outside air temperature is less than 20°F, ___________ shall be provided to maintain the air temperature above 32°F.
A. 
B. 
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. 
D. 
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. 
14.
Grout shall have a minimum compressive strength of _________psi at 28 days.
A. 
B. 
C. 
D. 
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. 
B. 
C. 
D. 
16.
The maximum spacing of cleanouts in a solid grouted system shall not exceed _________ inches.
A. 
B. 
C. 
D. 
17.
According to ASTM C 476, grout prepared at the jobsite shall be mixed for a minimum of ___________minutes.
A. 
B. 
C. 
D. 
18.
The temperature of masonry units shall not be less than _____ when laid in masonry.
A. 
B. 
C. 
D. 
19.
When applicable, prisms shall be grouted not less than __________, nor more than ___________ after construction of the prism.
A. 
B. 
C. 
D. 
20.
Grout pours _________may be consolidated by puddling.
A. 
B. 
C. 
D. 
In partially grouted walls
21.
With masonry units, bonding is achieved by using _________.
A. 
B. 
C. 
D. 
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. 
D. 
To be maintained above 32°F
23.
Each masonry prism shall be constructed in _________.
A. 
B. 
C. 
An open moisture tight bag
D. 
24.
When installing control joints, the mortar joint should be raked _________ inch deep.
A. 
B. 
C. 
D. 
25.
The minimum grout space dimension for AAC masonry units shall be _______ or a 3 inch diameter cell.
A. 
B. 
C. 
D.