CA BRANCH 3 PRACTICE TEST 2024 EXAM QUESTIONS ALL ANSWERED CORRECTLY
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CA BRANCH 3
Institution
CA BRANCH 3
CA BRANCH 3 PRACTICE TEST 2024 EXAM QUESTIONS ALL ANSWERED CORRECTLY
When using a mechanical mixer, you should always avoid over mixing concrete? True or False? - ANSWER- True
is the glue that holds the mass of concrete together? - ANSWER- cement
The basic ratio of water to cement determi...
CA BRANCH 3 PRACTICE TEST 2024
EXAM QUESTIONS ALL ANSWERED
CORRECTLY
When using a mechanical mixer, you should always avoid over mixing concrete? True
or False? - ANSWER- True
is the glue that holds the mass of concrete together? - ANSWER- cement
The basic ratio of water to cement determines the strength of concrete? True or False?
- ANSWER- True
"Striking or Rodding Off" a fresh concrete pour will do which of the following? -
ANSWER- 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? - ANSWER- True
"Spading or Tamping" along the edges of forms will do which of the following? -
ANSWER- 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? - ANSWER- True
An "Edger" is used to cut off excess cement when you accidently make your project too
long? True or False? - ANSWER- 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? - ANSWER- No
A "Jointing Tool" is used to make weak spots in the slab to help control cracking? True
or False? - ANSWER- True
"Floating" is done before you do the "edging" or "jointing"? True or False? - ANSWER-
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 - ANSWER- 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? - ANSWER- False
, To provide and even more skid resistant surface after troweling, you may use which of
the following? - ANSWER- A broom
Freshly poured concrete should not be allowed to dry out too quickly and needs to be
kept moist? True or False? - ANSWER- True
Concrete will achieve 80% of its strength in ? - ANSWER- 7 days
Concrete will completely cure in days? - ANSWER- 28 days
Your patio is 30ft long x 10ft wide and the pour is going to be 6 inches deep. How many
yards of concrete will be needed to fill the forms? cubic yards
The Formulae:
Length x Width x Depth = Feet / 27 - ANSWER- 5.56 cubic yards
When mixing cement, sand and gravel together your total volume will only be about
2/3rds of what you might expect? True or False? - ANSWER- True
If you pull off the forms and find holes and voids on edges of your concrete, you can
touch them up with which of the following?
a)Topping mix
b)Capping mix
c)Stucco patch
d)Concrete patch
e)Both a & b - ANSWER- e)Both a & b
What is "Hydraulic cement"? - ANSWER- Cement which will harden under water
A bond mix will improve the bond between and existing concrete member and a new
pour? True or False? - ANSWER- True
Lightweight concrete is made of which light weight aggregate?
a)Clay
b)Expanded shale
c)Pumice
d) Slate materials
e) All of the above - ANSWER- e)All of the above
A slump test is done before the pour for which of the following reasons? - ANSWER- To
determine the water content of the concrete
You can cut or drill post-tension slabs, but only if you get the owners permission, first?
True or False? - ANSWER- False
A footing is which of the following? - ANSWER- A part of the foundation which rests on
or in the ground
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