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CA BRANCH 3 PRACTICE TEST QUESTIONS AND ANSWERS 2024
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CA BRANCH 3 PRACTICE TEST QUESTIONS AND ANSWERS 2024
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CA BRANCH 3 PRACTICE TESTAn admixture is added to concrete to do which of the following?
a)Speed up the curing process
b)Slow down the curing process
c)To harden the concrete surface
d)Increase waterproof qualities
e)All of the above - ANSWERS-e)All of the above
"Portland Cement" is a popular brand name of cement that is used everyday?
True or False? - ANSWERS-False
Packaged concrete mixes are not economical for jobs larger than ____ cubic
yards? - ANSWERS-1 cubic yard
When using a mechanical mixer, you should always avoid over mixing concrete?
True or False? - ANSWERS-True
__________ is the glue that holds the mass of concrete together? - ANSWERS-
cement
,The basic ratio of water to cement determines the strength of concrete? True or
False? - ANSWERS-True
"Striking or Rodding Off" a fresh concrete pour will do which of the following? -
ANSWERS-Will establish the desired grade level of the pour
All forms, stakes and soil within the forms should be watered down prior to the
pour? True or False? - ANSWERS-True
"Spading or Tamping" along the edges of forms will do which of the following? -
ANSWERS-Prevent honeycombs or hollow spots at the edge of the pour
A " Darby" is used to level any raised spots and to fill in any depressions? True or
False? - ANSWERS-True
An "Edger" is used to cut off excess cement when you accidently make your
project too long? True or False? - ANSWERS-False
It is alright to start finishing the surface while the bleed water or water sheen is
still on the surface of your pour? Yes or No? - ANSWERS-No
A "Jointing Tool" is used to make weak spots in the slab to help control cracking?
True or False? - ANSWERS-True
, "Floating" is done before you do the "edging" or "jointing"? True or False? -
ANSWERS-False
Which of the following is used to make the surface of concrete smooth and hard?
a)Steel trowel
b)Spade
c)Darby
d)Float
e)Both a & d - ANSWERS-e)Both a & d
If you have excess bleed water on the surface of your concrete, you can sprinkle a
little dry cement over the surface to absorb it? True or False? - ANSWERS-False
Normally, forms may be removed _________? - ANSWERS-24 to 48 hours
To provide and even more skid resistant surface after troweling, you may use
which of the following? - ANSWERS-A broom
Freshly poured concrete should not be allowed to dry out too quickly and needs
to be kept moist? True or False? - ANSWERS-True
Concrete will achieve 80% of its strength in _______? - ANSWERS-7 days
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