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29 Cards in this Set
- Front
- Back
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The interval placement of a control joint should be marked when forms are set, ________ concrete is poured.
a) after b) before c) while d) none of above |
before |
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Foundation walls should be constructed with type M or _______ mortar.
a) O b) N c) S d) T |
S |
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The minimum nominal thickness of masonry shear walls shouldn't be less than _____ inches?
a) 6 b) 8 c) 10 d) 7 |
8 |
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What is a straight metal bar used to connect masonry to masonry?
a) Curing b) Expansion c) Dowel d) Course |
Dowel |
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What is a continuous joint free of non-compressible materials called?
a) Bedding b) Expansion joint c) Joint d) None of above |
Expansion Joint |
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____________ bricks are identified by FBS, FBX, and?
a) FBA b) SBA c) FVS |
FBA |
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__________ is maintaining proper conditions of moisture and temperature to increase strength.
a) Curing b) Course c) Symetry None of above |
Curing |
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What is the primary bonding agent used in mortar and grout?
a) Lime b) Sand c) Portland Cement d) None of above |
Portland Cement |
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Mortar should be discarded after ____________ hrs when mixed with water.
a) 1 b) 2 c) 2.5 d) 3 |
2.5 |
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How is a strike-off board used?
a) Screed off excess concrete b) Consolidate concrete c) Finish surfaces |
Screed off excess contrete |
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Ties in alternate course should be staggered by how many inches?
a) 25" b) 26" c) 24" d) 22" |
24" |
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A fireplace chimney may be corbeled, but not more than 4 inches for each __________ inches in height?
a) 30 b) 24 c) 26 d) 28 |
24" |
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Which wood type is best for permanent formwork?
a) Cedar b) Redwood c) Pressure Treated d) Cypress |
Pressure Treated |
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Clean-outs are required for all grout pours over how many feet in height?
a) 6' b) 5' c) 3' d) 4' |
5' |
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________ bar support is used to prevent rebar from moving when being grouted.
a) Flat ties b) Wire c) Corrugated d) Flat |
Wire |
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What does aggregate for mortar and grout consist of?
a) Gravel b) Pea gravel c) Sand d) Sand and pea gravel |
Sand and Pea gravel |
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Cement and ________ are the cementitious materials in mortar and grout.
a) ash b) fly ash c) lime |
Lime |
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What is a thin impermeable material placed in masonry?
a) Face shell b) Bedding c) Flashing d) Full mortar bedding |
Flashing |
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A 6 x 6 x 6 x16 slumped block, should have an actual height of _____ inches?
a) 4 1/2 b) 5 c) 5 1/2 d) 6 |
5 1/2" |
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The thickest stone of the sheet is used as the _________, during the troweling process.
a) starting point b) center marker c) thickness gauge d) design keystone |
thickness gauge |
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In bad drainage areas, excavation should be deep enough to allow for _____ to 6' crushed rock.
a) 3" b) 2" c) 4" d) 1" |
4 |
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Reinforced masonry or concrete structures located in seismic Zones No. 3 and 4 should have principal reinforcement spaced a maximum of _________ feet O.C. in buildings using a moment resisting space frame.
a) 2 b) 3 c) 4 |
2 |
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What is a white crystalline deposit called?
a) Efflorescence b) Exfoliation c) Expansion joint d) Joint |
Efflorescence |
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Bonding is achieved with masonry units, use what?
a) Mortar b) Grout c) Cement d) Mortar and Grout |
Mortar and Grout |
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The amount of lime permitted in mortar is between 10% and __________.
a) 20% b) 30% c) 25% d) 15% |
25% |
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Center to center spacing of bars within a column should not be less than how many diameters?
a) 2 b) 3 c) 2.5 d) 4 |
2.5 |
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The minimum lap for a #4 reinforcing steel bar is ______ inches?
a) 10 b) 15 c) 18 d) 12 |
15 |
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What is the minimum lap for a #6 reinforcing steel bar?
a) 20 b) 23 c) 26 d) 30 |
23 |
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What is the nominal diameter in inches of a #5 reinforcing bar?
a) 1/1" b) 5/5" c) 5/8" d) 5/12"
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5/8" |
