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WorksheetsConcrete Terms 4Feb Test
Total questions: 43
Worksheet time: 21mins
What are the ingredients in concrete ?
sand, water, cement and concrete
rocks, water, sand, iim
aggregate/ rocks, sand cement, grade/ dirt/ crush and run
aggregate, sand, water, cement
After concrete has set, it structural strength is reached in ...
14 days
20 days
28 days
32 days
What is the purpose of a concrete form ?
It is an admixture that helps concrete to get hard
It slows down the hardening of concrete
It is used with rebar
It is used to shape concrete
How is a slump test performed ?
Consolidate/ pack a metal concrete cone tight with concrete remove the cone and measure the amount of inches the concrete falls.
It is a test with metal for concrete hardness 28 days
It is a test that measures hardness and crazing
It tells you the strength of concrete in pounds per square inch (PSI)
Which of the following types of forces can concrete best withstand?
Compression
Tension
Torsion
Shear
A cost effective way to keep concrete from sticking to forms is to coat them with used motor oil.
True
False
Is there a difference between concrete and cement?
Yes
No
What is the difference between concrete and cement?
They are the same.
Cement is the product of concrete.
Cement is one ingredient in concrete.
Concrete is one ingredient in cement.
Crushed Rock is an example of an aggregate?
True
False
Portland cement was named for the Isle of Portland, a peninsula in the English Channel where it was first produced in the ____?
400’s
1800’s
300 B.C.
2019
Concrete is a versatile construction material, adaptable to a wide variety of __________ and ______________ uses.
roads, highways
driveways, slabs
agricultural, residential
All of the above
CONCRETE RATIO:
Portland Cement, Rock and Sand. Ratio is expressed as a three digit number called a mix, expressed as
3:2:1.
4:5:6.
10:12:13
1:2:3.
10'x25'x4"=?
83.333 cb.yrds.
3.068 cb.yrds.
1000 cb.yrds.
6.944 cb.yrds.
What is parging ?
Filling a form with concrete
Shining up or cleaning up an area
The area above a footing
Sealing a CMU wall with a coat of mortar or plaster troweled on for the purpose of water proofing
What is a head joint and in which direction is it in on a brick or block ?
A head joint is horizontal bed of mortar and joins bricks or blocks from left to right
A head joint is vertical and is the bed of mortar bricks or blocks lie in or the mortar underneath
A head joint is vertical and bonds bricks and blocks together from side to side
A head joint is used in concrete pads to control where concrete cracks
Most foundations in south east GA can consist of ?
Wood and concrete
Crushed rock and grade
Crushed rock and gravel
CMU/ concrete block and Concrete
What is a CMU ?
Concrete made under pressure
Cement Manufacturing Utility
Concrete Measuring Unit
Concrete Masonry Unit
What is a bed joint ?
A concrete mortar joint that extends horizontally you place brick a brick or block in / underneath going left to right or right to left
A concrete mortar joint that extends vertically locking bricks or blocks together left to right or right to left
The bottom layer of mortar ( full bed beginning course) when laning first course
The very top cap on a column of brick that seas then
What materials are used to strengthen / reinforce a block or brick wall ?
Pilasters and rebar
rock and gravel
fibers and rebar
construction or block glue and string
A concrete block that measures 16" will represent what number in decimals
1.5'
1.25
1.666
1.33
How do you estimate # of 8by8 (8x8) blocks needed for a wall or foundation ?
Divide area by 8 x16
Find area multiply block width by length and divide by 27
Calculate square feet and find volume
Calculate area then divide by 8 and multiply by 9
Turn is 8/12 's of a foot ( a number I can read on a measuring tape ? (Watch the trick)
96
.66 of an inch
8"
1.4
Write 11" as a decimal
.011
.0911
.11
.9166
Make 11.45' a number I can read on a measuring tape
11' 5 3/16"
11' 6 "
4.95
495
Building from touching the the ground first and up what is the order of house parts
1. footing, 2. foundation 3. floor
1. foundation 2. footing 3. floor
1.floor, 2.footing , 3. foundation
1. footing, rebar 2. floor, 3. foundation
What is a wale ?
horizontal brace that stiffens a wall
Vertical membe r that keeps concrete fro cracking that is stronger than a whale
A brace stake that is hammered into the ground for strength
A piece of plywood that holds 2 panels together
What are 2 types of piers ?
Water footing and land footing
stepped footing and pier footing
flat and curved footing
reinforced footing and unreinforced footing
Footings unless specified by prints are @ least what size ?
2 X the width of the wall
As thick as the wall
thick enough for the block to sit evenly on ot
Has a keyway
The words place and pour are used interchangeably in concrete worn, although place is the correct term
True
False
