SOLUTIONS
Aggregates include diff sizes of - correct answer-all of the above [rip-rap,
gravel/pebbles, sand, crushed concrete.]
lime was once the only binder in masonry mortar during the pre roman times - correct
answer-all of the above [it give work ability, reduces shrinkage, help make mortar, ,
imper able]
aggregates used in PCC for best results should contain moisture content that quals for
being in the wet state - correct answer-no ideal wet state exists
when using reinforced masonry its essential to use - correct answer-all of the above [
reinforced steel, masonry grout, hollow pcc blocks or solid masonry units, double
Wyeth]
which letters specify masonry mortar - correct answer-MKNS not L
in masonry construction the primary function of masonry mortar - correct answer-to
provide bond among the units so as to effect, even in a non-homogeneous const, a
monolithic structure
for heavy weight PCC, use - correct answer-of slag from steel mills as a CA would be
productive
should be avoided for CA for concrete - correct answer-elongated /flaky CA
aggregates must me standards like - correct answer-all of the above[water
absorption,soundness,durability]
aggregates used as filler-binder materials are selected based on - correct answer-All of
the above [ Ca for PCC rounded/smoother, Ca for asphalt-angular and rough/porous,
used recycled concretes and crushed PCC, little distinctive difference between CA for
PCC and AC]